CAS 1305-62-0, EC 215-137-3
Is Calcium hydroxide banned where you sell?
Also listed as 칼슘하이드록사이드이트너. 3 markets have rules for it. Selling something that contains it? Check it free, no account needed.
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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 15c: (a) Hair straighteners containing two components: calcium hydroxide and a guanidine salt | (b) pH adjuster for depilatories (b) pH < 12,7. In force since 11 Jul 2013.
“(b) pH adjuster for depilatories”
For Cosmetics and personal care: Conformity: Must meet the conditions of Annex III entry 15c: (c) Other uses (e.g. pH adjuster, processing aid) | (c) pH < 11. In force since 11 Jul 2013.
Field of application not expressible with the registered attributes: (c) Other uses (e.g. pH adjuster, processing aid) | (c) pH < 11
“(c) Other uses (e.g. pH adjuster, processing aid)”
For Hair waving and straightening: Label required. In force since 11 Jul 2013.
“(b) Contains alkali Keep out of reach of children Avoid contact with eyes”
For Hair waving and straightening: Label required. In force since 11 Jul 2013.
“(a) Contains alkali Avoid contact with eyes Keep out of reach of children Can cause blindness”
Show 1 more rule for this market
For Hair waving and straightening: Limit 7 % (content basis). In force since 11 Jul 2013.
From the consolidated text: 1305-62-0 · 215-137-3 · (a) Hair straighteners containing two components: calcium hydroxide and a guanidine salt · (a) 7 % (as calcium hydroxide)
Annex III entry 15c · 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 15c: (a) Hair straighteners containing two components: calcium hydroxide and a guanidine salt | (b) pH adjuster for depilatories (b) pH < 12,7. In force, start date unknown.
“(b) pH adjuster for depilatories”
For Cosmetics and personal care: Conformity: Must meet the conditions of Annex III entry 15c: (c) Other uses (e.g. pH adjuster, processing aid) | (c) pH < 11. In force, start date unknown.
Field of application not expressible with the registered attributes: (c) Other uses (e.g. pH adjuster, processing aid) | (c) pH < 11
“(c) Other uses (e.g. pH adjuster, processing aid)”
For Hair waving and straightening: Label required. In force, start date unknown.
“(b) Contains alkali Keep out of reach of children Avoid contact with eyes”
For Hair waving and straightening: Label required. In force, start date unknown.
“(a) Contains alkali Avoid contact with eyes Keep out of reach of children Can cause blindness”
Show 1 more rule for this market
For Hair waving and straightening: Limit 7 % (content basis). In force, start date unknown.
From the official list: 1305-62-0 · 215-137-3 · (a) Hair straighteners containing two components: calcium hydroxide and a guanidine salt · (a) 7 % (as calcium hydroxide)
Annex III entry 15c · 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: Banned. In force under the consolidated notice effective 18 Mar 2026; earlier versions are not in our data.
사용금지 in the table text, product scope not expressible with the registered attributes: 칼슘하이드록사이드 ?헤어스트레 기타 이트너 제품에는 제품에 7% 사용금지 ?제모제에서 pH조정 목적으로 사용되는 경우 최종 제품의 pH는 12.7이하
From the official list: 칼슘하이드록사이드 · ?헤어스트레 · 기타 · 1305-62-0
Schedule 2 기 타 칼슘하이드록사이드이트너 · 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)For Cosmetics and personal care: Limit 7 % (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: 칼슘하이드록사이드 ?헤어스트레 기타 이트너 제품에는 제품에 7% 사용금지 ?제모제에서 pH조정 목적으로 사용되는 경우 최종 제품의 pH는 12.7이하
From the official list: 칼슘하이드록사이드 · ?헤어스트레 · 기타 · 1305-62-0
Schedule 2 기 타 칼슘하이드록사이드이트너 · 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 15c: (a) Hair straighteners containing two components: calcium hydroxide and a guanidine salt | (b) pH adjuster for depilatories (b) pH < 12,7. In force since 11 Jul 2013.
“(b) pH adjuster for depilatories”
Annex III entry 15c (l1-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 15c: (c) Other uses (e.g. pH adjuster, processing aid) | (c) pH < 11. In force since 11 Jul 2013.
Field of application not expressible with the registered attributes: (c) Other uses (e.g. pH adjuster, processing aid) | (c) pH < 11
“(c) Other uses (e.g. pH adjuster, processing aid)”
Annex III entry 15c (l2-cond) · 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 since 11 Jul 2013.
“(b) Contains alkali Keep out of reach of children Avoid contact with eyes”
Annex III entry 15c (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 since 11 Jul 2013.
“(a) Contains alkali Avoid contact with eyes Keep out of reach of children Can cause blindness”
Annex III entry 15c (wording) (excerpt) · fetched 2026-10-09European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab) Show 1 more rule for this market
For Hair waving and straightening: Limit 7 % (content basis). In force since 11 Jul 2013.
From the consolidated text: 1305-62-0 · 215-137-3 · (a) Hair straighteners containing two components: calcium hydroxide and a guanidine salt · (a) 7 % (as calcium hydroxide)
Annex III entry 15c · 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 15c: (a) Hair straighteners containing two components: calcium hydroxide and a guanidine salt | (b) pH adjuster for depilatories (b) pH < 12,7. In force, start date unknown.
“(b) pH adjuster for depilatories”
Annex III entry 15c (l1-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 15c: (c) Other uses (e.g. pH adjuster, processing aid) | (c) pH < 11. In force, start date unknown.
Field of application not expressible with the registered attributes: (c) Other uses (e.g. pH adjuster, processing aid) | (c) pH < 11
“(c) Other uses (e.g. pH adjuster, processing aid)”
Annex III entry 15c (l2-cond) · 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.
“(b) Contains alkali Keep out of reach of children Avoid contact with eyes”
Annex III entry 15c (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.
“(a) Contains alkali Avoid contact with eyes Keep out of reach of children Can cause blindness”
Annex III entry 15c (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 1 more rule for this market
For Hair waving and straightening: Limit 7 % (content basis). In force, start date unknown.
From the official list: 1305-62-0 · 215-137-3 · (a) Hair straighteners containing two components: calcium hydroxide and a guanidine salt · (a) 7 % (as calcium hydroxide)
Annex III entry 15c · 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
- Banned
- Requirement, dates and source
For Cosmetics and personal care: Banned. In force under the consolidated notice effective 18 Mar 2026; earlier versions are not in our data.
사용금지 in the table text, product scope not expressible with the registered attributes: 칼슘하이드록사이드 ?헤어스트레 기타 이트너 제품에는 제품에 7% 사용금지 ?제모제에서 pH조정 목적으로 사용되는 경우 최종 제품의 pH는 12.7이하
From the official list: 칼슘하이드록사이드 · ?헤어스트레 · 기타 · 1305-62-0
Schedule 2 기 타 칼슘하이드록사이드이트너 · 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)For Cosmetics and personal care: Limit 7 % (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: 칼슘하이드록사이드 ?헤어스트레 기타 이트너 제품에는 제품에 7% 사용금지 ?제모제에서 pH조정 목적으로 사용되는 경우 최종 제품의 pH는 12.7이하
From the official list: 칼슘하이드록사이드 · ?헤어스트레 · 기타 · 1305-62-0
Schedule 2 기 타 칼슘하이드록사이드이트너 · 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 Calcium 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 Calcium 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.
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Every rule for this kind of product, in each market.
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