CAS 1310-58-3, EC 215-181-3
Is Potassium or sodium hydroxide banned where you sell?
Also listed as CAS 1310-73-2, Potassium hydroxide, sodium hydroxide, 포타슘하이드록사이드. 3 markets have rules for it. Selling something that contains it? Check it free, no account needed.
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Status
Status by market
Banned, limited, needs a warning, or no rule we know of. US states also follow federal rules, shown in their own row.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
For Hair waving and straightening: Conformity: Must meet the conditions of Annex III entry 15a: (b) Hair straightener | (c) pH adjuster for depilatories (c) pH < 12,7. In force, start date unknown.
“(c) pH adjuster for depilatories”
For Cosmetics and personal care: Conformity: Must meet the conditions of Annex III entry 15a: (d) Other uses as pH adjuster | (d) pH < 11. In force, start date unknown.
Field of application not expressible with the registered attributes: (d) Other uses as pH adjuster | (d) pH < 11
“(d) Other uses as pH adjuster”
For Hair waving and straightening: Label required. In force, start date unknown.
“Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children”
For Hair waving and straightening: Label required. In force, start date unknown.
“For professional use only Avoid contact with eyes Can cause blindness”
Show 7 more rules for this market
For Hair waving and straightening: Label required. In force, start date unknown.
“(c) Keep out of reach of children Avoid contact with eyes”
For Nail products: Label required. In force, start date unknown.
“(a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children”
For Cosmetics and personal care: Label required. In force, start date unknown.
Field of application not expressible with the registered attributes: Callosity softener/remover | 1,5 % (4) | Contains alkali Avoid contact with eyes Keep out of reach of children Read directions for use carefully
“Contains alkali Avoid contact with eyes Keep out of reach of children Read directions for use carefully”
For Hair waving and straightening: Limit 2 % (content basis). In force, start date unknown.
From the consolidated text: (b) Hair straightener · 2 % (4)
Annex III entry 15a (l1) · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)For Hair waving and straightening: Limit 4.5 % (content basis). In force, start date unknown.
“4,5 % (4)”
For Nail products: Limit 5 % (content basis). In force, start date unknown.
From the consolidated text: Potassium or sodium hydroxide (20) · Potassium hydroxide/sodium hydroxide · 1310-58-3/1310-73-2 · 215-181-3/215-185-5 · (a) Nail cuticle solvent · (a) 5 % (4)
Annex III entry 15a · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)For Cosmetics and personal care: Limit 1.5 % (content basis). In force, start date unknown.
Field of application not expressible with the registered attributes: Callosity softener/remover | 1,5 % (4) | Contains alkali Avoid contact with eyes Keep out of reach of children Read directions for use carefully
From the consolidated text: Potassium hydroxide (21) · Potassium hydroxide · 1310-58-3 · 215-181-3 · Callosity softener/remover · 1,5 % (4)
Annex III entry 15d · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)For Hair waving and straightening: Conformity: Must meet the conditions of Annex III entry 15a: (b) Hair straightener | (c) pH adjuster for depilatories (c) pH < 12,7. In force, start date unknown.
“(c) pH adjuster for depilatories”
For Cosmetics and personal care: Conformity: Must meet the conditions of Annex III entry 15a: (d) Other uses as pH adjuster | (d) pH < 11. In force, start date unknown.
Field of application not expressible with the registered attributes: (d) Other uses as pH adjuster | (d) pH < 11
“(d) Other uses as pH adjuster”
For Hair waving and straightening: Label required. In force, start date unknown.
“Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children”
For Hair waving and straightening: Label required. In force, start date unknown.
“For professional use only Avoid contact with eyes Can cause blindness”
Show 7 more rules for this market
For Hair waving and straightening: Label required. In force, start date unknown.
“(c) Keep out of reach of children Avoid contact with eyes”
For Nail products: Label required. In force, start date unknown.
“(a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children”
For Cosmetics and personal care: Label required. In force, start date unknown.
Field of application not expressible with the registered attributes: Callosity softener/remover | 1,5 % | Contains alkali Avoid contact with eyes Keep out of reach of children Read directions for use carefully
“Contains alkali Avoid contact with eyes Keep out of reach of children Read directions for use carefully”
For Hair waving and straightening: Limit 2 % (content basis). In force, start date unknown.
From the official list: (b) Hair straightener · 2 %
Annex III entry 15a (l1) · fetched 2026-10-10
The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab)For Hair waving and straightening: Limit 4.5 % (content basis). In force, start date unknown.
“4,5 %”
For Nail products: Limit 5 % (content basis). In force, start date unknown.
From the official list: Potassium or sodium hydroxide · Potassium hydroxide/sodium hydroxide · 1310-58-3/1310-73-2 · 215-181-3/215-185-5 · (a) Nail cuticle solvent · (a) 5 %
Annex III entry 15a · fetched 2026-10-10
The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab)For Cosmetics and personal care: Limit 1.5 % (content basis). In force, start date unknown.
Field of application not expressible with the registered attributes: Callosity softener/remover | 1,5 % | Contains alkali Avoid contact with eyes Keep out of reach of children Read directions for use carefully
From the official list: Potassium hydroxide · Potassium hydroxide · 1310-58-3 · 215-181-3 · Callosity softener/remover · 1,5 %
Annex III entry 15d · fetched 2026-10-10
The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab)We have no rule for it here. Our coverage starts 12 Jul 2024, and this doesn't mean it's allowed.
For Cosmetics and personal care: Limit 5 % (content basis). In force under the consolidated notice effective 18 Mar 2026; earlier versions are not in our data.
Conditions in the table text not expressible with the registered attributes: 포타슘하이드록사이드 ?손톱표피 또는 소듐하이드록사이 용해 목적일 드록사이드 드 경우 5%, pH 조정 목적으로 록사이드 사용되고 최종 제품이 제5조제5항 에 pH기준이 정하여 있지 아니한 경우에도 최종 제품의 pH는 11이하 ?제모제에서 pH조정 목적으로 사용되는 경우 최종 제품의 pH는 12.7이하
From the official list: 포타슘하이드록사이드 · ?손톱표피 · 1310-58-3 · 포타슘하이
Schedule 2 기 타 포타슘하이드록사이드드 · fetched 2026-10-09
Ministry of Food and Drug Safety / National Law Information Center (law.go.kr): 화장품 안전기준 등에 관한 규정 별표 1, 별표 2, 제6조(opens in a new tab)- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- Not covered
- Requirement, dates and source
We hold no rules for this market.
- Status
- Not covered
- Requirement, dates and source
We hold no rules for this market.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- Not covered
- Requirement, dates and source
We hold no rules for this market.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- Not covered
- Requirement, dates and source
We hold no rules for this market.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- Not covered
- Requirement, dates and source
We hold no rules for this market.
- Status
- Not covered
- Requirement, dates and source
We hold no rules for this market.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- Limited
- Requirement, dates and source
For Hair waving and straightening: Conformity: Must meet the conditions of Annex III entry 15a: (b) Hair straightener | (c) pH adjuster for depilatories (c) pH < 12,7. In force, start date unknown.
“(c) pH adjuster for depilatories”
Annex III entry 15a (l3-cond) (excerpt) · fetched 2026-10-09European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab) For Cosmetics and personal care: Conformity: Must meet the conditions of Annex III entry 15a: (d) Other uses as pH adjuster | (d) pH < 11. In force, start date unknown.
Field of application not expressible with the registered attributes: (d) Other uses as pH adjuster | (d) pH < 11
“(d) Other uses as pH adjuster”
Annex III entry 15a (l4-cond) (excerpt) · fetched 2026-10-09European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab) For Hair waving and straightening: Label required. In force, start date unknown.
“Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children”
Annex III entry 15a (l1-wording) (excerpt) · fetched 2026-10-09European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab) For Hair waving and straightening: Label required. In force, start date unknown.
“For professional use only Avoid contact with eyes Can cause blindness”
Annex III entry 15a (l2-wording) (excerpt) · fetched 2026-10-09European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab) Show 7 more rules for this market
For Hair waving and straightening: Label required. In force, start date unknown.
“(c) Keep out of reach of children Avoid contact with eyes”
Annex III entry 15a (l3-wording) (excerpt) · fetched 2026-10-09European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab) For Nail products: Label required. In force, start date unknown.
“(a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children”
Annex III entry 15a (wording) (excerpt) · fetched 2026-10-09European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab) For Cosmetics and personal care: Label required. In force, start date unknown.
Field of application not expressible with the registered attributes: Callosity softener/remover | 1,5 % (4) | Contains alkali Avoid contact with eyes Keep out of reach of children Read directions for use carefully
“Contains alkali Avoid contact with eyes Keep out of reach of children Read directions for use carefully”
Annex III entry 15d (wording) (excerpt) · fetched 2026-10-09European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab) For Hair waving and straightening: Limit 2 % (content basis). In force, start date unknown.
From the consolidated text: (b) Hair straightener · 2 % (4)
Annex III entry 15a (l1) · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)For Hair waving and straightening: Limit 4.5 % (content basis). In force, start date unknown.
“4,5 % (4)”
Annex III entry 15a (l2) · fetched 2026-10-09European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab) For Nail products: Limit 5 % (content basis). In force, start date unknown.
From the consolidated text: Potassium or sodium hydroxide (20) · Potassium hydroxide/sodium hydroxide · 1310-58-3/1310-73-2 · 215-181-3/215-185-5 · (a) Nail cuticle solvent · (a) 5 % (4)
Annex III entry 15a · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)For Cosmetics and personal care: Limit 1.5 % (content basis). In force, start date unknown.
Field of application not expressible with the registered attributes: Callosity softener/remover | 1,5 % (4) | Contains alkali Avoid contact with eyes Keep out of reach of children Read directions for use carefully
From the consolidated text: Potassium hydroxide (21) · Potassium hydroxide · 1310-58-3 · 215-181-3 · Callosity softener/remover · 1,5 % (4)
Annex III entry 15d · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)
- Status
- Limited
- Requirement, dates and source
For Hair waving and straightening: Conformity: Must meet the conditions of Annex III entry 15a: (b) Hair straightener | (c) pH adjuster for depilatories (c) pH < 12,7. In force, start date unknown.
“(c) pH adjuster for depilatories”
Annex III entry 15a (l3-cond) (excerpt) · fetched 2026-10-10The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab) For Cosmetics and personal care: Conformity: Must meet the conditions of Annex III entry 15a: (d) Other uses as pH adjuster | (d) pH < 11. In force, start date unknown.
Field of application not expressible with the registered attributes: (d) Other uses as pH adjuster | (d) pH < 11
“(d) Other uses as pH adjuster”
Annex III entry 15a (l4-cond) (excerpt) · fetched 2026-10-10The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab) For Hair waving and straightening: Label required. In force, start date unknown.
“Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children”
Annex III entry 15a (l1-wording) (excerpt) · fetched 2026-10-10The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab) For Hair waving and straightening: Label required. In force, start date unknown.
“For professional use only Avoid contact with eyes Can cause blindness”
Annex III entry 15a (l2-wording) (excerpt) · fetched 2026-10-10The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab) Show 7 more rules for this market
For Hair waving and straightening: Label required. In force, start date unknown.
“(c) Keep out of reach of children Avoid contact with eyes”
Annex III entry 15a (l3-wording) (excerpt) · fetched 2026-10-10The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab) For Nail products: Label required. In force, start date unknown.
“(a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children”
Annex III entry 15a (wording) (excerpt) · fetched 2026-10-10The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab) For Cosmetics and personal care: Label required. In force, start date unknown.
Field of application not expressible with the registered attributes: Callosity softener/remover | 1,5 % | Contains alkali Avoid contact with eyes Keep out of reach of children Read directions for use carefully
“Contains alkali Avoid contact with eyes Keep out of reach of children Read directions for use carefully”
Annex III entry 15d (wording) (excerpt) · fetched 2026-10-10The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab) For Hair waving and straightening: Limit 2 % (content basis). In force, start date unknown.
From the official list: (b) Hair straightener · 2 %
Annex III entry 15a (l1) · fetched 2026-10-10
The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab)For Hair waving and straightening: Limit 4.5 % (content basis). In force, start date unknown.
“4,5 %”
Annex III entry 15a (l2) · fetched 2026-10-10The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab) For Nail products: Limit 5 % (content basis). In force, start date unknown.
From the official list: Potassium or sodium hydroxide · Potassium hydroxide/sodium hydroxide · 1310-58-3/1310-73-2 · 215-181-3/215-185-5 · (a) Nail cuticle solvent · (a) 5 %
Annex III entry 15a · fetched 2026-10-10
The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab)For Cosmetics and personal care: Limit 1.5 % (content basis). In force, start date unknown.
Field of application not expressible with the registered attributes: Callosity softener/remover | 1,5 % | Contains alkali Avoid contact with eyes Keep out of reach of children Read directions for use carefully
From the official list: Potassium hydroxide · Potassium hydroxide · 1310-58-3 · 215-181-3 · Callosity softener/remover · 1,5 %
Annex III entry 15d · fetched 2026-10-10
The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab)
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 12 Jul 2024, and this doesn't mean it's allowed.
- Status
- Limited
- Requirement, dates and source
For Cosmetics and personal care: Limit 5 % (content basis). In force under the consolidated notice effective 18 Mar 2026; earlier versions are not in our data.
Conditions in the table text not expressible with the registered attributes: 포타슘하이드록사이드 ?손톱표피 또는 소듐하이드록사이 용해 목적일 드록사이드 드 경우 5%, pH 조정 목적으로 록사이드 사용되고 최종 제품이 제5조제5항 에 pH기준이 정하여 있지 아니한 경우에도 최종 제품의 pH는 11이하 ?제모제에서 pH조정 목적으로 사용되는 경우 최종 제품의 pH는 12.7이하
From the official list: 포타슘하이드록사이드 · ?손톱표피 · 1310-58-3 · 포타슘하이
Schedule 2 기 타 포타슘하이드록사이드드 · fetched 2026-10-09
Ministry of Food and Drug Safety / National Law Information Center (law.go.kr): 화장품 안전기준 등에 관한 규정 별표 1, 별표 2, 제6조(opens in a new tab)
California
Prop 65 listing
California's list of chemicals known to cause cancer or reproductive harm.
Not on the Prop 65 list in our data
Not on California's list when we last checked it.
Groups
Group memberships
Groups that name this substance. Markets define groups like PFAS in different ways.
Not named in any group
No group we track names this substance. Groups like PFAS are defined by chemical structure and don't list members, so whether it's in one depends on your product.
Records
Recalls and alerts
Recalls, safety alerts and Prop 65 notices that name Potassium or sodium hydroxide, with a link to the original. A Prop 65 notice is a claim by the sender, not a ruling.
No records in our feeds
No Prop 65 notice, EU Safety Gate alert or CPSC recall has named Potassium or sodium hydroxide since January 2023. Other agencies may still have acted.
See also
Related
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When our coverage starts, the laws and the sources.
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When our coverage starts, the laws and the sources.
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When our coverage starts, the laws and the sources.
- Hair waving and straightening
Every rule for this kind of product, in each market.
- Cosmetics and personal care
Every rule for this kind of product, in each market.
- Nail products
Every rule for this kind of product, in each market.
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