LITHIUM HYDROXIDE

RestrictedCAS 1310-65-224 regulations across 22 markets

LITHIUM HYDROXIDE is a cosmetic ingredient classified as Buffering. Also known as CAS 1310-65-2. It is regulated in 22 markets including UAE, Armenia, Bahrain.

Also Known As

CAS Number: 1310-65-2

Market Overview — 29 Markets

European Union1

United Kingdom3

United States

California

Maryland

Washington

Canada

Brazil1

South Korea1

Japan

Taiwan1

Australia

Singapore1

Malaysia1

Thailand1

Indonesia1

Vietnam1

Philippines1

UAE1

Saudi Arabia1

Qatar1

Oman1

Kuwait1

Bahrain1

Russia1

Belarus1

Kazakhstan1

Armenia1

Kyrgyzstan1

Detailed Regulations

Europe4 regulations

European UnionRestrictedAnnex III #15b

Chemical name: Lithium hydroxide
CAS: 1310-65-2
Max concentration: (a) 1. 2% (6) 2. 4.5% (6)
Product type: (a) Hair straightener (b) pH ajuster for depilatories (c) Other uses as pH ajuster (for rinse-off products only)
Conditions of use: (a) 1. Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children 2. Avoid contact with eyes Can cause blindness (b) Contains alkali Keep out of reach of children Avoid contact with eyes
Other conditions: (a) 1. General use 2. Professional use (b) pH < 12.7 (c) pH < 11

Source: EC 1223/2009 Annex III

United KingdomRestrictedAnnex III #15b

Chemical name: Lithium hydroxide
CAS: 1310-65-2
Max concentration: 2 % 4,5 %
Product type: (a)Hair straighteners
Conditions of use: Max: 2 % 4,5 % (a)Contains alkaliAvoid contact with eyesCan cause blindnessKeep out of reach of children Avoid contact with eyesCan cause blindness
Other conditions: General use Professional use

Source: UK retained EC 1223/2009 Annex III

United KingdomRestrictedAnnex III #15b

Chemical name: Lithium hydroxide
CAS: 1310-65-2
Product type: (b)pH adjuster for depilatories
Conditions of use: (b)Contains alkaliKeep out of reach of childrenAvoid contact with eyes
Other conditions: pH < 12,7

Source: UK retained EC 1223/2009 Annex III

United KingdomRestrictedAnnex III #15b

Chemical name: Lithium hydroxide
CAS: 1310-65-2
Product type: (c)Other uses as pH adjuster (for rinse-off products only)
Other conditions: pH < 11

Source: UK retained EC 1223/2009 Annex III

Americas1 regulation

BrazilRestrictedAnnex RDC_530 #80

Chemical name: Hidróxido de Lítio
Max concentration: a) 1) 2% em massa. 2) 4,5% em massa. a) 1 e 2 A concentração de hidróxido de lítio é calculada em peso de hidróxido de sódio. No caso de misturas, a soma não deve exceder a concentração máxima autorizada no produto final. b) Até pH 12,7 c) Até pH 11
Product type: a) Alisante para cabelos: 1) Uso geral. 2) Uso profissional. b) Para ajuste de pH em depilatórios c) Para ajuste de pH em outros produtos (apenas para produtos destinados a serem enxaguados )
Conditions of use: Application: a) Alisante para cabelos: 1) Uso geral. 2) Uso profissional. b) Para ajuste de pH em depilatórios c) Para ajuste de pH em outros produtos (apenas para produtos destinados a serem enxaguados ) | Warnings: a) 1 - Contém álcali. - Evitar contato com os olhos. - Pode causar cegueira. - Manter fora do alcance das crianças. a) 2 - Só para uso profissional. - Contém álcali. - Evitar contato com os olhos. - Pode causar cegueira. b) e c) - Contém álcali. - Manter fora do alcance das crianças. - Evitar contato com os olhos.

Source: ANVISA RDC 530

East Asia & Oceania2 regulations

South KoreaRestrictedAnnex restricted #M1294

Chemical name: Lithium Hydroxide
Conditions of use: * 배합한도 : ∙ 헤어스트레이트너 제품에 4.5% ∙ 제모제에서 pH조정 목적으로 사용되는 경우 최종 제품의 pH는 12.7이하 ∙ 기타 제품에는 사용금지

Source: MFDS Korea Cosmetics Regulation

TaiwanRestrictedAnnex Restricted Ingredients List #35

Chemical name: Lithium hydroxide
CAS: 1310-65-2
Max concentration: (a1)2% (a2)4.5%
Product type: (a)Permanent Hair waving or straightening products (b)Other uses as pH adjuster (rinse-off products only)
Conditions of use: (a)The maximum concentration of sodium, potassium and lithium hydroxide is calculated by weight of sodium hydroxide. If the above-mixed ingredients are used in the product, the total amount shall not exceed the limit. (a2)For professional use only (b)pH<11

Source: TFDA Cosmetics Regulations

ASEAN6 regulations

SingaporeRestrictedAnnex ACD Annex III (Restricted) #15b

Chemical name: Lithium hydroxide
CAS: 1310-65-2
Max concentration: (a) 1. 2% by weight (6) 2. 4.5% by weight (6)
Product type: (a) Hair straightener 1. General use 2. Professional use (b) pH adjuster - for depilatories (c) Other uses as pH adjuster (for rinse-off
Conditions of use: (b) pH < 12.7 (c) pH < 11 | Label: (a) 1. • Contains alkali • Avoid contact with eyes • Can cause blindness • Keep out of reach of children 2. • For Professional use only • Avoid contact with eyes • Can cause blindness (b) • Contains alkali • Keep out of reach of children • Avoid contact with eyes

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

MalaysiaRestrictedAnnex ACD Annex III (Restricted) #15b

Chemical name: Lithium hydroxide
CAS: 1310-65-2
Max concentration: (a) 1. 2% by weight (6) 2. 4.5% by weight (6)
Product type: (a) Hair straightener 1. General use 2. Professional use (b) pH adjuster - for depilatories (c) Other uses as pH adjuster (for rinse-off
Conditions of use: (b) pH < 12.7 (c) pH < 11 | Label: (a) 1. • Contains alkali • Avoid contact with eyes • Can cause blindness • Keep out of reach of children 2. • For Professional use only • Avoid contact with eyes • Can cause blindness (b) • Contains alkali • Keep out of reach of children • Avoid contact with eyes

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

ThailandRestrictedAnnex ACD Annex III (Restricted) #15b

Chemical name: Lithium hydroxide
CAS: 1310-65-2
Max concentration: (a) 1. 2% by weight (6) 2. 4.5% by weight (6)
Product type: (a) Hair straightener 1. General use 2. Professional use (b) pH adjuster - for depilatories (c) Other uses as pH adjuster (for rinse-off
Conditions of use: (b) pH < 12.7 (c) pH < 11 | Label: (a) 1. • Contains alkali • Avoid contact with eyes • Can cause blindness • Keep out of reach of children 2. • For Professional use only • Avoid contact with eyes • Can cause blindness (b) • Contains alkali • Keep out of reach of children • Avoid contact with eyes

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

IndonesiaRestrictedAnnex ACD Annex III (Restricted) #15b

Chemical name: Lithium hydroxide
CAS: 1310-65-2
Max concentration: (a) 1. 2% by weight (6) 2. 4.5% by weight (6)
Product type: (a) Hair straightener 1. General use 2. Professional use (b) pH adjuster - for depilatories (c) Other uses as pH adjuster (for rinse-off
Conditions of use: (b) pH < 12.7 (c) pH < 11 | Label: (a) 1. • Contains alkali • Avoid contact with eyes • Can cause blindness • Keep out of reach of children 2. • For Professional use only • Avoid contact with eyes • Can cause blindness (b) • Contains alkali • Keep out of reach of children • Avoid contact with eyes

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

VietnamRestrictedAnnex ACD Annex III (Restricted) #15b

Chemical name: Lithium hydroxide
CAS: 1310-65-2
Max concentration: (a) 1. 2% by weight (6) 2. 4.5% by weight (6)
Product type: (a) Hair straightener 1. General use 2. Professional use (b) pH adjuster - for depilatories (c) Other uses as pH adjuster (for rinse-off
Conditions of use: (b) pH < 12.7 (c) pH < 11 | Label: (a) 1. • Contains alkali • Avoid contact with eyes • Can cause blindness • Keep out of reach of children 2. • For Professional use only • Avoid contact with eyes • Can cause blindness (b) • Contains alkali • Keep out of reach of children • Avoid contact with eyes

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

PhilippinesRestrictedAnnex ACD Annex III (Restricted) #15b

Chemical name: Lithium hydroxide
CAS: 1310-65-2
Max concentration: (a) 1. 2% by weight (6) 2. 4.5% by weight (6)
Product type: (a) Hair straightener 1. General use 2. Professional use (b) pH adjuster - for depilatories (c) Other uses as pH adjuster (for rinse-off
Conditions of use: (b) pH < 12.7 (c) pH < 11 | Label: (a) 1. • Contains alkali • Avoid contact with eyes • Can cause blindness • Keep out of reach of children 2. • For Professional use only • Avoid contact with eyes • Can cause blindness (b) • Contains alkali • Keep out of reach of children • Avoid contact with eyes

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

GCC6 regulations

UAERestrictedAnnex III #15b

Chemical name: Lithium hydroxide
CAS: 1310-65-2
Max concentration: (a) 1. 2% (6) 2. 4.5% (6)
Product type: (a) Hair straightener (b) pH ajuster for depilatories (c) Other uses as pH ajuster (for rinse-off products only)
Conditions of use: (a) 1. Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children 2. Avoid contact with eyes Can cause blindness (b) Contains alkali Keep out of reach of children Avoid contact with eyes
Other conditions: (a) 1. General use 2. Professional use (b) pH < 12.7 (c) pH < 11