Cosmetics and personal care
Which rules apply to hair waving and straightening?
We track 6,963 rules for these in 20 of 21 markets, including California's Prop 65 list of 883 chemicals. Check your product free, no account needed.
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- The law behind every rule
Cosmetics and personal care / Hair care and colour / Hair waving and straightening
Permanent wave, relaxer and smoothing products (thioglycolates, hydroxides, formaldehyde releasers).
Rules
Rules by market
Open a market to read its rules for this category.
Main sources, from 1 Jan 2025 · What is covered
Colorado (US state): main sources stored. Modelled: PFAS in cosmetics (HB22-1345, stored). Not stored: other Colorado product law.
Banned
Exemptions (2)
Cosmetic excludes prescription products
(c) "COSMETIC" DOES NOT INCLUDE A PRODUCT THAT REQUIRES A PRESCRIPTION FOR DISTRIBUTION OR DISPENSATION.
Hydrofluoroolefins used as propellants in cosmetics are not a cosmetic until repealed January 1, 2027
(d) (I) "COSMETIC" DOES NOT INCLUDE HYDROFLUOROOLEFINS USED AS PROPELLANTS IN COSMETICS.
Official text, current to 1 May 2024. Colorado General Assembly session laws HB22-1345 (2022 ch. 338) and SB24-081 (2024 ch. 147, signed 2024-05-01) as enacted; the consolidated C.R.S. 25-15-601 et seq. is not stored and later amendments are not checked.
Every product in the category
In force since 1 Jan 2025
Applies to products sold on or after 1 Jan 2025
“ON AND AFTER JANUARY 1, 2025, A PERSON SHALL NOT SELL, OFFER FOR SALE, DISTRIBUTE FOR SALE, OR DISTRIBUTE FOR USE THE FOLLOWING PRODUCTS THAT CONTAIN INTENTIONALLY ADDED PFAS CHEMICALS:”
Participate in the producer responsibility program (the producer responsibility organization's plan) for the product's packaging, and report the data its plan needs
Registration required
Packaging EPR: effective July 1, 2025, a producer shall not sell or distribute any products that use covered materials in Colorado unless the producer is participating in the program or, on or after January 1, 2029, except as set forth in the final plan approved by the executive director; a producer must report the data necessary to meet its plan obligations (C.R.S. 25-17-708(1)).
Exemptions (2)
A producer with less than five million dollars in realized gross total revenue in the prior calendar year is exempt
“(a) A PERSON WITH LESS THAN FIVE MILLION DOLLARS IN REALIZED GROSS TOTAL REVENUE, NOT INCLUDING ON-PREMISES ALCOHOL SALES, DURING THE PRIOR CALENDAR YEAR;”
A producer that used less than one ton of covered materials for products sold into Colorado in the prior calendar year is exempt
“(b) A PERSON THAT HAS USED LESS THAN ONE TON OF COVERED MATERIALS FOR PRODUCTS SOLD OR DISTRIBUTED WITHIN OR INTO THE STATE DURING THE PRIOR CALENDAR YEAR;”
Official text, current to 3 Jun 2022. Signed act HB 22-1355 adding C.R.S. 25-17-701 to 25-17-713 as enacted in 2022; later amendments not checked (the CRS host, LexisNexis, is not fetchable).
- Your total gross revenue in the most recent year at least 5000000 USD
- Packaging you supplied into Colorado last year at least 1 tons
- You are its producer under C.R.S. 25-17-703(30) (if the product is sold or distributed in Colorado using packaging materials under the manufacturer's own brand, the person that manufactures the product; the brand licensee; if none in the United States, the importer; for internet sales, the person that packages or ships the product for the shipping packaging), and you are not exempt under 25-17-713(1) (less than five million dollars in realized gross total revenue in the prior calendar year, or less than one ton of covered materials into Colorado)
Depends on: annual gross revenue usd, packaging tons co
In force since 1 Jul 2025
Applies to products sold on or after 1 Jul 2025
Participation required effective July 1, 2025; sale under the approved final plan on or after January 1, 2029 (25-17-708(1)).
“(1) EFFECTIVE JULY 1, 2025, A PRODUCER SHALL NOT SELL OR DISTRIBUTE ANY PRODUCTS THAT USE COVERED MATERIALS IN THE STATE UNLESS THE PRODUCER IS PARTICIPATING IN THE PROGRAM”
- BanPFAS as defined in Colorado (US state)
Banned
Exemptions (2)
Cosmetic excludes prescription products
(c) "COSMETIC" DOES NOT INCLUDE A PRODUCT THAT REQUIRES A PRESCRIPTION FOR DISTRIBUTION OR DISPENSATION.
25-15-603(5)(c) · fetched 2026-10-08Colorado General Assembly: C.R.S. 25-15-604(opens in a new tab) Hydrofluoroolefins used as propellants in cosmetics are not a cosmetic until repealed January 1, 2027
(d) (I) "COSMETIC" DOES NOT INCLUDE HYDROFLUOROOLEFINS USED AS PROPELLANTS IN COSMETICS.
25-15-603(5)(d) · fetched 2026-10-08Colorado General Assembly: C.R.S. 25-15-604(opens in a new tab) Official text, current to 1 May 2024. Colorado General Assembly session laws HB22-1345 (2022 ch. 338) and SB24-081 (2024 ch. 147, signed 2024-05-01) as enacted; the consolidated C.R.S. 25-15-601 et seq. is not stored and later amendments are not checked.
- Applies when
Every product in the category
- Effective
In force since 1 Jan 2025
Applies to products sold on or after 1 Jan 2025
- Source
“ON AND AFTER JANUARY 1, 2025, A PERSON SHALL NOT SELL, OFFER FOR SALE, DISTRIBUTE FOR SALE, OR DISTRIBUTE FOR USE THE FOLLOWING PRODUCTS THAT CONTAIN INTENTIONALLY ADDED PFAS CHEMICALS:”
C.R.S. 25-15-604(3)(a) · fetched 2026-10-08Colorado General Assembly: C.R.S. 25-15-604(opens in a new tab)
- Registration
Participate in the producer responsibility program (the producer responsibility organization's plan) for the product's packaging, and report the data its plan needs
Registration required
Packaging EPR: effective July 1, 2025, a producer shall not sell or distribute any products that use covered materials in Colorado unless the producer is participating in the program or, on or after January 1, 2029, except as set forth in the final plan approved by the executive director; a producer must report the data necessary to meet its plan obligations (C.R.S. 25-17-708(1)).
Exemptions (2)
A producer with less than five million dollars in realized gross total revenue in the prior calendar year is exempt
“(a) A PERSON WITH LESS THAN FIVE MILLION DOLLARS IN REALIZED GROSS TOTAL REVENUE, NOT INCLUDING ON-PREMISES ALCOHOL SALES, DURING THE PRIOR CALENDAR YEAR;”
C.R.S. 25-17-713(1)(a) · fetched 2026-10-27Colorado General Assembly (signed act, HB 22-1355): C.R.S. 25-17-703(30), 25-17-708(1), 25-17-713(opens in a new tab) A producer that used less than one ton of covered materials for products sold into Colorado in the prior calendar year is exempt
“(b) A PERSON THAT HAS USED LESS THAN ONE TON OF COVERED MATERIALS FOR PRODUCTS SOLD OR DISTRIBUTED WITHIN OR INTO THE STATE DURING THE PRIOR CALENDAR YEAR;”
C.R.S. 25-17-713(1)(b) · fetched 2026-10-27Colorado General Assembly (signed act, HB 22-1355): C.R.S. 25-17-703(30), 25-17-708(1), 25-17-713(opens in a new tab) Official text, current to 3 Jun 2022. Signed act HB 22-1355 adding C.R.S. 25-17-701 to 25-17-713 as enacted in 2022; later amendments not checked (the CRS host, LexisNexis, is not fetchable).
- Applies when
- Your total gross revenue in the most recent year at least 5000000 USD
- Packaging you supplied into Colorado last year at least 1 tons
- You are its producer under C.R.S. 25-17-703(30) (if the product is sold or distributed in Colorado using packaging materials under the manufacturer's own brand, the person that manufactures the product; the brand licensee; if none in the United States, the importer; for internet sales, the person that packages or ships the product for the shipping packaging), and you are not exempt under 25-17-713(1) (less than five million dollars in realized gross total revenue in the prior calendar year, or less than one ton of covered materials into Colorado)
Depends on: annual gross revenue usd, packaging tons co
- Effective
In force since 1 Jul 2025
Applies to products sold on or after 1 Jul 2025
Participation required effective July 1, 2025; sale under the approved final plan on or after January 1, 2029 (25-17-708(1)).
- Source
“(1) EFFECTIVE JULY 1, 2025, A PRODUCER SHALL NOT SELL OR DISTRIBUTE ANY PRODUCTS THAT USE COVERED MATERIALS IN THE STATE UNLESS THE PRODUCER IS PARTICIPATING IN THE PROGRAM”
C.R.S. 25-17-708(1) (excerpt) · fetched 2026-10-27Colorado General Assembly (signed act, HB 22-1355): C.R.S. 25-17-703(30), 25-17-708(1), 25-17-713(opens in a new tab)
Gaps
Markets without rules for this category
We have no rules for this category in these markets. That doesn't mean none apply, so a check here says Not covered, never clear.
ClaraDB gives a verdict only for PFAS state laws for cookware and bakeware, California Proposition 65 consumer-product warning check for BPA, BPS, formaldehyde, styrene, antimony trioxide, vinyl acetate, lead and cadmium, California Proposition 65 warning check for candles and ceramicware (lead, cadmium, formaldehyde, acetaldehyde, benzene, naphthalene, carbon monoxide, benzo[a]pyrene), US packaging EPR producer size thresholds (California, Colorado, Maryland, Minnesota, Oregon, Washington) for a brand-owning manufacturer, US lead in children's products and furniture (lead paint and total lead content), US lead in toys and child care articles (lead paint and total lead content), US lead in children's products (other) and bags (lead paint and total lead content), US phthalates in children's toys and child care articles (DEHP, DBP, BBP, DINP, DIBP, DPENP, DHEXP, DCHP) and US children's product certificate and tracking label for children's tableware (AI-checked, quotes verified word for word). Every other answer shows the laws and quotes found without saying whether they apply. Not checked: Consumer electronics (FCC equipment authorization, 47 CFR Parts 2 and 15, energy rules). What ClaraDB has checked
Show 1 market
- Coverage
- Main sources; no modeled rule is scoped to this category. Not covered: other rules that may apply.
Facts
What we need to know about your product
Some rules depend on details of your product. Until you tell us, a check says Needs answers and asks for what's missing.
Show 36 facts
- Whether the listed substance or group is present
- Markets
- EU, GB, JP, KR, US, US-CA, US-CO, US-CT, US-IL, US-MD, US-ME, US-MN, US-NJ, US-RI, US-VT, US-WA
- Rules
- 7,660
- Number of employees at the seller
- Markets
- US-CA
- Rules
- 972
- Rinse off
- Markets
- EU, GB, JP, KR, US-CA
- Rules
- 279
- Body area
- Markets
- EU, GB, JP, KR
- Rules
- 249
- Economic operator role
- Markets
- EU, GB, KR, US
- Rules
- 90
- Sprayable
- Markets
- EU, GB, KR
- Rules
- 45
- Contains battery
- Markets
- EU, GB, US
- Rules
- 39
- Professional use
- Markets
- EU, GB, US
- Rules
- 27
- Intended for children under 3
- Markets
- EU, GB, KR
- Rules
- 24
- Battery category
- Markets
- EU, GB
- Rules
- 22
- Otc drug claim
- Markets
- US, US-MN
- Rules
- 19
- Quasi drug or functional claim
- Markets
- JP, KR
- Rules
- 13
- Net content ml
- Markets
- EU, GB, KR
- Rules
- 10
- Battery chemistry
- Markets
- US
- Rules
- 9
- Aerosol dispenser
- Markets
- JP, KR, US
- Rules
- 8
- Customised cosmetic
- Markets
- KR
- Rules
- 7
- Rechargeable
- Markets
- US
- Rules
- 6
- Animal testing conducted
- Markets
- EU, GB, KR
- Rules
- 5
- Annual gross revenue usd
- Markets
- US-CO, US-MD, US-MN, US-OR, US-WA
- Rules
- 5
- Contains nanomaterial
- Markets
- EU, GB
- Rules
- 2
- Intended for children under 12
- Markets
- KR
- Rules
- 2
- Single use
- Markets
- KR
- Rules
- 2
- Button or coin cell
- Markets
- US
- Rules
- 2
- Distance sale to other member state
- Markets
- EU
- Rules
- 1
- Imported
- Markets
- KR
- Rules
- 1
- Cattle derived material
- Markets
- US
- Rules
- 1
- Uses sunscreen term
- Markets
- US
- Rules
- 1
- Safety substantiated
- Markets
- US
- Rules
- 1
- Battery removable
- Markets
- US
- Rules
- 1
- Ca gross sales usd
- Markets
- US-CA
- Rules
- 1
- Packaging tons co
- Markets
- US-CO
- Rules
- 1
- Packaging tons md
- Markets
- US-MD
- Rules
- 1
- Packaging tons mn
- Markets
- US-MN
- Rules
- 1
- Packaging tonnes or
- Markets
- US-OR
- Rules
- 1
- Fluorine treated container
- Markets
- US-VT
- Rules
- 1
- Packaging tons wa
- Markets
- US-WA
- Rules
- 1
Changes
Upcoming changes
Rules for this category that start in the next 24 months, or are proposed or on hold.
Show 49 upcoming changes
Warning required when exposure exceeds the threshold (no NSRL listed for this row)
This product can expose you to N-Methyl-N-Formylhydrazine, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Exemptions (1)
No warning is required where the exposure poses no significant risk of cancer (at or below the NSRL).
a warning is not required if the business causing the exposure can demonstrate that the exposure occurs at a level that poses “no significant risk
Official text, current to 31 Jul 2026. OEHHA's own Prop 65 list (XLSX), list dated July 31, 2026.
- Seller has 10 or more employees
- Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical
Depends on: number of employees at the seller
Takes effect 8 Dec 2026
Applies to products sold on or after 8 Dec 2026
Listed 2025-12-08 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Chemical
- N-Methyl-N-Formylhydrazine
- Type of toxicity
- cancer
- Listed by
- the State's Qualified Experts (SQE)
- CAS No.
- 758-17-8
- Date listed
- 8 Dec 2025
Prop 65 list row: N-Methyl-N-Formylhydrazine · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)Warning required when exposure exceeds the threshold (no MADL listed for this row)
This product can expose you to Bisphenol S (BPS), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Exemptions (1)
No warning is required for a reproductive toxicant where the exposure will produce no observable effect at 1,000 times the level in question (at or below the MADL).
“a warning is not required if the business causing the exposure can demonstrate that the exposure will produce no observable effect, even at 1,000 times the level in question.”
Official text, current to 31 Jul 2026. OEHHA's own Prop 65 list (XLSX), list dated July 31, 2026.
- Seller has 10 or more employees
- Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical
Depends on: number of employees at the seller
Takes effect 8 Dec 2026
Applies to products sold on or after 8 Dec 2026
Listed 2025-12-08 (developmental). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Chemical
- Bisphenol S (BPS)
- Type of toxicity
- developmental toxicity
- Listed by
- the State's Qualified Experts (SQE)
- CAS No.
- 80-09-1
- Date listed
- 8 Dec 2025
Prop 65 list row: Bisphenol S (BPS) · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)Warning required when exposure exceeds the threshold (no NSRL listed for this row)
This product can expose you to Tacrolimus, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Exemptions (1)
No warning is required where the exposure poses no significant risk of cancer (at or below the NSRL).
a warning is not required if the business causing the exposure can demonstrate that the exposure occurs at a level that poses “no significant risk
Official text, current to 31 Jul 2026. OEHHA's own Prop 65 list (XLSX), list dated July 31, 2026.
- Seller has 10 or more employees
- Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical
Depends on: number of employees at the seller
Takes effect 17 Jul 2027
Applies to products sold on or after 17 Jul 2027
Listed 2026-07-17 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Chemical
- Tacrolimus
- Type of toxicity
- cancer
- Listed by
- the Labor Code (LC)
- CAS No.
- 104987-11-3
- Date listed
- 17 Jul 2026
Prop 65 list row: Tacrolimus · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)Warning required when exposure exceeds the threshold (no NSRL listed for this row)
This product can expose you to Hydrochlorothiazide, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Exemptions (1)
No warning is required where the exposure poses no significant risk of cancer (at or below the NSRL).
a warning is not required if the business causing the exposure can demonstrate that the exposure occurs at a level that poses “no significant risk
Official text, current to 31 Jul 2026. OEHHA's own Prop 65 list (XLSX), list dated July 31, 2026.
- Seller has 10 or more employees
- Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical
Depends on: number of employees at the seller
Takes effect 17 Jul 2027
Applies to products sold on or after 17 Jul 2027
Listed 2026-07-17 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Chemical
- Hydrochlorothiazide
- Type of toxicity
- cancer
- Listed by
- the Labor Code (LC)
- CAS No.
- 58-93-5; 125727-50-6; 8049-49-8
- Date listed
- 17 Jul 2026
Prop 65 list row: Hydrochlorothiazide · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)Warning required when exposure exceeds the threshold (no NSRL listed for this row)
This product can expose you to Voriconazole, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Exemptions (1)
No warning is required where the exposure poses no significant risk of cancer (at or below the NSRL).
a warning is not required if the business causing the exposure can demonstrate that the exposure occurs at a level that poses “no significant risk
Official text, current to 31 Jul 2026. OEHHA's own Prop 65 list (XLSX), list dated July 31, 2026.
- Seller has 10 or more employees
- Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical
Depends on: number of employees at the seller
Takes effect 17 Jul 2027
Applies to products sold on or after 17 Jul 2027
Listed 2026-07-17 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Chemical
- Voriconazole
- Type of toxicity
- cancer
- Listed by
- the Labor Code (LC)
- CAS No.
- 137234-62-9; 188416-29-7; 173967-54-9
- Date listed
- 17 Jul 2026
Prop 65 list row: Voriconazole · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)Warning required when exposure exceeds the threshold (no NSRL listed for this row)
This product can expose you to Welding Fumes, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Exemptions (1)
No warning is required where the exposure poses no significant risk of cancer (at or below the NSRL).
a warning is not required if the business causing the exposure can demonstrate that the exposure occurs at a level that poses “no significant risk
Official text, current to 31 Jul 2026. OEHHA's own Prop 65 list (XLSX), list dated July 31, 2026.
- Seller has 10 or more employees
- Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical
Depends on: number of employees at the seller
Takes effect 17 Jul 2027
Applies to products sold on or after 17 Jul 2027
Listed 2026-07-17 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Chemical
- Welding Fumes
- Type of toxicity
- cancer
- Listed by
- the Labor Code (LC)
- CAS No.
- none given
- Date listed
- 17 Jul 2026
Prop 65 list row: Welding Fumes · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)Banned
Consolidated text (not the authentic legal edition), current to 18 May 2026. EUR-Lex consolidated text: a documentation tool without legal effect; the acts published in the Official Journal are authentic. Consolidated version CELEX 02009R1223-20260518 from the Publications Office, the latest when read.
Every product in the category
Takes effect 1 Jan 2027
Applies to products placed on the market on or after 1 Jan 2027
Row footnote: products containing the substance shall not be placed on the Union market from 2027-01-01 and not be made available from 2028-07-01. The row-level date is read from the annex footnote (EU).
From the consolidated text: Triphenyl Phosphate (13) · 115-86-6 · 204-112-2
Annex II entry 1767 · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)Limit 0.5 % (content basis)
In the finished (ready for use) cosmetic product. Maximum concentration cell: (b) 0,5 %. Field of application: (b) Rinse-off skin and hair products (except shower gel/bath products).
Consolidated text (not the authentic legal edition), current to 18 May 2026. EUR-Lex consolidated text: a documentation tool without legal effect; the acts published in the Official Journal are authentic. Consolidated version CELEX 02009R1223-20260518 from the Publications Office, the latest when read.
- Rinse-off product
Depends on: rinse off
Takes effect 1 Jan 2027
Applies to products placed on the market on or after 1 Jan 2027
Row footnote: products containing the substance shall not be placed on the Union market from 2027-01-01 and not be made available from 2028-07-01. The row-level date is read from the annex footnote (EU).
From the consolidated text: (b) Rinse-off skin and hair products (except shower gel/bath products) · (b) 0,5 %
Annex III entry 75 (l1) · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)Limit 1.2 % (content basis)
In the finished (ready for use) cosmetic product. Maximum concentration cell: (h) 1,2 %. Field of application: (h) Skin and hair rinse-off products.
Consolidated text (not the authentic legal edition), current to 18 May 2026. EUR-Lex consolidated text: a documentation tool without legal effect; the acts published in the Official Journal are authentic. Consolidated version CELEX 02009R1223-20260518 from the Publications Office, the latest when read.
- Rinse-off product
Depends on: rinse off
Takes effect 1 Jan 2027
Applies to products placed on the market on or after 1 Jan 2027
Row footnote: products containing the substance shall not be placed on the Union market from 2027-01-01 and not be made available from 2028-08-01. The row-level date is read from the annex footnote (EU).
From the consolidated text: (h) Skin and hair rinse-off products · (h) 1,2 %
Annex III entry 70 (l7) · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)Limit 0.2 % (content basis)
In the finished (ready for use) cosmetic product. Maximum concentration cell: (a) 0,9 % (b) 0,05 % (c) 0,05 % (d) 0,1 % (e) 0,2 %. Field of application: (a) Fragrance products (hydroalcoholic and non-hydroalcoholic, spray and non-spray) (b) Deodorant (c) Make-up products (d) Leave-on products (except (a), (b) and (c)) (e) Rinse-off products. Other: For (a) – (e): stabilised with 1 % alpha-tocopherol (applies to raw materials)..
Consolidated text (not the authentic legal edition), current to 18 May 2026. EUR-Lex consolidated text: a documentation tool without legal effect; the acts published in the Official Journal are authentic. Consolidated version CELEX 02009R1223-20260518 from the Publications Office, the latest when read.
- Rinse-off product
Depends on: rinse off
Takes effect 1 Jan 2027
Applies to products placed on the market on or after 1 Jan 2027
Row footnote: products containing the substance shall not be placed on the Union market from 2027-01-01 and not be made available from 2028-07-01. The row-level date is read from the annex footnote (EU).
“(a) 0,9 % (b) 0,05 % (c) 0,05 % (d) 0,1 % (e) 0,2 %”
- WarningUS-CAN-Methyl-N-Formylhydrazine (CAS 758-17-8)
Warning required when exposure exceeds the threshold (no NSRL listed for this row)
This product can expose you to N-Methyl-N-Formylhydrazine, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Exemptions (1)
No warning is required where the exposure poses no significant risk of cancer (at or below the NSRL).
a warning is not required if the business causing the exposure can demonstrate that the exposure occurs at a level that poses “no significant risk
Appendix A (summary), Exposures that pose no significant risk of cancer (excerpt) · fetched 2026-10-08California OAG / OEHHA: 27 CCR 27001(opens in a new tab) Official text, current to 31 Jul 2026. OEHHA's own Prop 65 list (XLSX), list dated July 31, 2026.
- Applies when
- Seller has 10 or more employees
- Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical
Depends on: number of employees at the seller
- Effective
Takes effect 8 Dec 2026
Applies to products sold on or after 8 Dec 2026
Listed 2025-12-08 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Source
- Chemical
- N-Methyl-N-Formylhydrazine
- Type of toxicity
- cancer
- Listed by
- the State's Qualified Experts (SQE)
- CAS No.
- 758-17-8
- Date listed
- 8 Dec 2025
Prop 65 list row: N-Methyl-N-Formylhydrazine · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)
- WarningUS-CABisphenol S (BPS) (CAS 80-09-1)
Warning required when exposure exceeds the threshold (no MADL listed for this row)
This product can expose you to Bisphenol S (BPS), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Exemptions (1)
No warning is required for a reproductive toxicant where the exposure will produce no observable effect at 1,000 times the level in question (at or below the MADL).
“a warning is not required if the business causing the exposure can demonstrate that the exposure will produce no observable effect, even at 1,000 times the level in question.”
Appendix A (summary), Exposures that will produce no observable reproductive effect (excerpt) · fetched 2026-10-08California OAG / OEHHA: 27 CCR 27001(opens in a new tab) Official text, current to 31 Jul 2026. OEHHA's own Prop 65 list (XLSX), list dated July 31, 2026.
- Applies when
- Seller has 10 or more employees
- Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical
Depends on: number of employees at the seller
- Effective
Takes effect 8 Dec 2026
Applies to products sold on or after 8 Dec 2026
Listed 2025-12-08 (developmental). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Source
- Chemical
- Bisphenol S (BPS)
- Type of toxicity
- developmental toxicity
- Listed by
- the State's Qualified Experts (SQE)
- CAS No.
- 80-09-1
- Date listed
- 8 Dec 2025
Prop 65 list row: Bisphenol S (BPS) · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)
- WarningUS-CATacrolimus (CAS 104987-11-3)
Warning required when exposure exceeds the threshold (no NSRL listed for this row)
This product can expose you to Tacrolimus, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Exemptions (1)
No warning is required where the exposure poses no significant risk of cancer (at or below the NSRL).
a warning is not required if the business causing the exposure can demonstrate that the exposure occurs at a level that poses “no significant risk
Appendix A (summary), Exposures that pose no significant risk of cancer (excerpt) · fetched 2026-10-08California OAG / OEHHA: 27 CCR 27001(opens in a new tab) Official text, current to 31 Jul 2026. OEHHA's own Prop 65 list (XLSX), list dated July 31, 2026.
- Applies when
- Seller has 10 or more employees
- Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical
Depends on: number of employees at the seller
- Effective
Takes effect 17 Jul 2027
Applies to products sold on or after 17 Jul 2027
Listed 2026-07-17 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Source
- Chemical
- Tacrolimus
- Type of toxicity
- cancer
- Listed by
- the Labor Code (LC)
- CAS No.
- 104987-11-3
- Date listed
- 17 Jul 2026
Prop 65 list row: Tacrolimus · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)
- WarningUS-CAHydrochlorothiazide
Warning required when exposure exceeds the threshold (no NSRL listed for this row)
This product can expose you to Hydrochlorothiazide, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Exemptions (1)
No warning is required where the exposure poses no significant risk of cancer (at or below the NSRL).
a warning is not required if the business causing the exposure can demonstrate that the exposure occurs at a level that poses “no significant risk
Appendix A (summary), Exposures that pose no significant risk of cancer (excerpt) · fetched 2026-10-08California OAG / OEHHA: 27 CCR 27001(opens in a new tab) Official text, current to 31 Jul 2026. OEHHA's own Prop 65 list (XLSX), list dated July 31, 2026.
- Applies when
- Seller has 10 or more employees
- Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical
Depends on: number of employees at the seller
- Effective
Takes effect 17 Jul 2027
Applies to products sold on or after 17 Jul 2027
Listed 2026-07-17 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Source
- Chemical
- Hydrochlorothiazide
- Type of toxicity
- cancer
- Listed by
- the Labor Code (LC)
- CAS No.
- 58-93-5; 125727-50-6; 8049-49-8
- Date listed
- 17 Jul 2026
Prop 65 list row: Hydrochlorothiazide · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)
- WarningUS-CAVoriconazole
Warning required when exposure exceeds the threshold (no NSRL listed for this row)
This product can expose you to Voriconazole, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Exemptions (1)
No warning is required where the exposure poses no significant risk of cancer (at or below the NSRL).
a warning is not required if the business causing the exposure can demonstrate that the exposure occurs at a level that poses “no significant risk
Appendix A (summary), Exposures that pose no significant risk of cancer (excerpt) · fetched 2026-10-08California OAG / OEHHA: 27 CCR 27001(opens in a new tab) Official text, current to 31 Jul 2026. OEHHA's own Prop 65 list (XLSX), list dated July 31, 2026.
- Applies when
- Seller has 10 or more employees
- Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical
Depends on: number of employees at the seller
- Effective
Takes effect 17 Jul 2027
Applies to products sold on or after 17 Jul 2027
Listed 2026-07-17 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Source
- Chemical
- Voriconazole
- Type of toxicity
- cancer
- Listed by
- the Labor Code (LC)
- CAS No.
- 137234-62-9; 188416-29-7; 173967-54-9
- Date listed
- 17 Jul 2026
Prop 65 list row: Voriconazole · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)
- WarningUS-CAWelding Fumes
Warning required when exposure exceeds the threshold (no NSRL listed for this row)
This product can expose you to Welding Fumes, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Exemptions (1)
No warning is required where the exposure poses no significant risk of cancer (at or below the NSRL).
a warning is not required if the business causing the exposure can demonstrate that the exposure occurs at a level that poses “no significant risk
Appendix A (summary), Exposures that pose no significant risk of cancer (excerpt) · fetched 2026-10-08California OAG / OEHHA: 27 CCR 27001(opens in a new tab) Official text, current to 31 Jul 2026. OEHHA's own Prop 65 list (XLSX), list dated July 31, 2026.
- Applies when
- Seller has 10 or more employees
- Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical
Depends on: number of employees at the seller
- Effective
Takes effect 17 Jul 2027
Applies to products sold on or after 17 Jul 2027
Listed 2026-07-17 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Source
- Chemical
- Welding Fumes
- Type of toxicity
- cancer
- Listed by
- the Labor Code (LC)
- CAS No.
- none given
- Date listed
- 17 Jul 2026
Prop 65 list row: Welding Fumes · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)
- BanEUTriphenyl Phosphate (CAS 115-86-6)
Banned
Consolidated text (not the authentic legal edition), current to 18 May 2026. EUR-Lex consolidated text: a documentation tool without legal effect; the acts published in the Official Journal are authentic. Consolidated version CELEX 02009R1223-20260518 from the Publications Office, the latest when read.
- Applies when
Every product in the category
- Effective
Takes effect 1 Jan 2027
Applies to products placed on the market on or after 1 Jan 2027
Row footnote: products containing the substance shall not be placed on the Union market from 2027-01-01 and not be made available from 2028-07-01. The row-level date is read from the annex footnote (EU).
- Source
From the consolidated text: Triphenyl Phosphate (13) · 115-86-6 · 204-112-2
Annex II entry 1767 · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)
- LimitEUBenzyl Salicylate (2-hydroxybenzoic acid phenylmethyl ester; CAS 118-58-1)
Limit 0.5 % (content basis)
In the finished (ready for use) cosmetic product. Maximum concentration cell: (b) 0,5 %. Field of application: (b) Rinse-off skin and hair products (except shower gel/bath products).
Consolidated text (not the authentic legal edition), current to 18 May 2026. EUR-Lex consolidated text: a documentation tool without legal effect; the acts published in the Official Journal are authentic. Consolidated version CELEX 02009R1223-20260518 from the Publications Office, the latest when read.
- Applies when
- Rinse-off product
Depends on: rinse off
- Effective
Takes effect 1 Jan 2027
Applies to products placed on the market on or after 1 Jan 2027
Row footnote: products containing the substance shall not be placed on the Union market from 2027-01-01 and not be made available from 2028-07-01. The row-level date is read from the annex footnote (EU).
- Source
From the consolidated text: (b) Rinse-off skin and hair products (except shower gel/bath products) · (b) 0,5 %
Annex III entry 75 (l1) · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)
- LimitEUCitral Geranial (CAS 5392-40-5)
Limit 1.2 % (content basis)
In the finished (ready for use) cosmetic product. Maximum concentration cell: (h) 1,2 %. Field of application: (h) Skin and hair rinse-off products.
Consolidated text (not the authentic legal edition), current to 18 May 2026. EUR-Lex consolidated text: a documentation tool without legal effect; the acts published in the Official Journal are authentic. Consolidated version CELEX 02009R1223-20260518 from the Publications Office, the latest when read.
- Applies when
- Rinse-off product
Depends on: rinse off
- Effective
Takes effect 1 Jan 2027
Applies to products placed on the market on or after 1 Jan 2027
Row footnote: products containing the substance shall not be placed on the Union market from 2027-01-01 and not be made available from 2028-08-01. The row-level date is read from the annex footnote (EU).
- Source
From the consolidated text: (h) Skin and hair rinse-off products · (h) 1,2 %
Annex III entry 70 (l7) · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)
- LimitEUAcetylated Vetiveria Zizanioides Root Extract (Vetiveria zizanioides, ext., acetylated Oils, vetiver, acetylated; CAS 84082-84-8)
Limit 0.2 % (content basis)
In the finished (ready for use) cosmetic product. Maximum concentration cell: (a) 0,9 % (b) 0,05 % (c) 0,05 % (d) 0,1 % (e) 0,2 %. Field of application: (a) Fragrance products (hydroalcoholic and non-hydroalcoholic, spray and non-spray) (b) Deodorant (c) Make-up products (d) Leave-on products (except (a), (b) and (c)) (e) Rinse-off products. Other: For (a) – (e): stabilised with 1 % alpha-tocopherol (applies to raw materials)..
Consolidated text (not the authentic legal edition), current to 18 May 2026. EUR-Lex consolidated text: a documentation tool without legal effect; the acts published in the Official Journal are authentic. Consolidated version CELEX 02009R1223-20260518 from the Publications Office, the latest when read.
- Applies when
- Rinse-off product
Depends on: rinse off
- Effective
Takes effect 1 Jan 2027
Applies to products placed on the market on or after 1 Jan 2027
Row footnote: products containing the substance shall not be placed on the Union market from 2027-01-01 and not be made available from 2028-07-01. The row-level date is read from the annex footnote (EU).
- Source
“(a) 0,9 % (b) 0,05 % (c) 0,05 % (d) 0,1 % (e) 0,2 %”
Annex III entry 382 (v4e) · fetched 2026-10-09European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)
Records
Recalls and alerts
Recalls, safety alerts and Prop 65 notices that name Hair waving and straightening, with a link to the original. A Prop 65 notice is a claim by the sender, not a ruling.
6 records dated 5 May 2023 to 11 Sep 2026. Most recent shown.
Show the 6 most recent records
- Prop 65 notices
COCOCHOCO Original Brazilian Keratin Hair Treatment, 8.4 fl oz
Cosmetics and personal care
- Substance
- None named
- Party
- Amazon, G.R. Global Cosmetics Ltd, Thriving Enterprises LLC
- Category
- Hair waving and straighteningHair styling
- Safety Gate alerts
Hair straightening product - Keratin Therapy LISSE DESIGN SMOOTHING TREATMENT KIT EXPRESS, Step 2 Smoothing Fluid Mousse Maker
Origin as stated: Italy
Cosmetics and personal care
- Substance
- None named
- Party
- Not stated
- Category
- Hair waving and straightening
- Safety Gate alerts
Hair straightening cream - Blowout bottoplex Premium
Origin as stated: United States
Cosmetics and personal care
- Substance
- None named
- Party
- Not stated
- Category
- Hair waving and straightening
- Safety Gate alerts
Hair treatment - GOLD - Premium Keratin Treatment
Origin as stated: Israel
Cosmetics and personal care
- Substance
- None named
- Party
- Not stated
- Category
- Hair waving and straighteningHair styling
- Safety Gate alerts
Hair straightening product - Original Premium Keratin Treatment, Chocolate Hair Care Therapy for Professional Results
Origin as stated: Israel
Cosmetics and personal care
- Substance
- None named
- Party
- Not stated
- Category
- Hair waving and straightening
- Safety Gate alerts
Hair straightening gel - Botoxgel & HairGel
Origin as stated: United States
Cosmetics and personal care
- Substance
- None named
- Party
- Not stated
- Category
- Hair waving and straighteningHair styling
See also
Related categories
- Hair care and colour
Shampoos, styling, waving, straightening and hair dyes.
- Shampoo and conditioner
Rinse-off hair washing and conditioning products.
- Hair styling
Leave-on gels, sprays, mousses, waxes and treatments (often aerosol).
- Oxidative hair dye
Permanent and demi-permanent dyes needing an oxidising agent (EU Annex III: hair dye substances, mixing, warnings).
- Non-oxidative hair dye
Semi-permanent and temporary dyes without an oxidising agent.
Alerts
Get an email when these rules change.
Check a product free, no account needed. Save it, and you see when a rule that affects it changes, and Team emails you the day it does.