SODIUM HYDROXIDE
RestrictedCAS 1310-73-218 regulations across 15 markets
SODIUM HYDROXIDE is a cosmetic ingredient classified as Buffering. Also known as CAS 1310-73-2. It is regulated in 15 markets including UAE, Armenia, Bahrain.
Also Known As
- CAS Number
- 1310-58-3, 1310-73-2
Market Overview — 29 Markets
European Union1
United Kingdom4
United States
California
Maryland
Washington
Canada
Brazil
South Korea1
Japan
Taiwan1
Australia
Singapore
Malaysia
Thailand
Indonesia
Vietnam
Philippines
UAE1
Saudi Arabia1
Qatar1
Oman1
Kuwait1
Bahrain1
Russia1
Belarus1
Kazakhstan1
Armenia1
Kyrgyzstan1
Detailed Regulations
Europe5 regulations
European UnionRestricted
- Chemical name
- Potassium or sodium hydroxide
- CAS
- 1310-58-3 / 1310-73-2
- Max concentration
- (a) 5% (b) 2% (General use) and 4.5% (Professional use) Entry 15d: 1,5%
- Product type
- (a) Nail cuticle solvent (b) Hair straightener (c) pH adjuster for depilatories (d) Other uses as pH adjuster Callosity softener/remover (entry 15d)
- Conditions of use
- (a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children (b) 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 (c) Keep out of reach of children Avoid contact with eyes
- Other conditions
- (b) 1. General use 2. Professional use (c) up to pH 12.7 (d) up to pH 11 15 d Contains alcakali, Avoid contact with eyes Keep out of reach of chindren ans Read directions for use carefully
Source: EC 1223/2009 Annex III
United KingdomRestricted
- Chemical name
- Potassium or sodium hydroxide
- CAS
- 1310-58-3/1310-73-2
- Max concentration
- (a) 5 %
- Product type
- (a) Nail cuticle solvent
- Conditions of use
- Max: (a) 5 % (a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children
Source: UK retained EC 1223/2009 Annex III
United KingdomRestricted
- Chemical name
- Potassium or sodium hydroxide
- CAS
- 1310-58-3/1310-73-2
- Max concentration
- 2 % 4,5 %
- Product type
- (b) Hair straightener
- Conditions of use
- Max: 2 % 4,5 % Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children For professional use only Avoid contact with eyes Can cause blindness
- Other conditions
- General use Professional use
Source: UK retained EC 1223/2009 Annex III
United KingdomRestricted
- Chemical name
- Potassium or sodium hydroxide
- CAS
- 1310-58-3/1310-73-2
- Product type
- (c) pH adjuster for depilatories
- Conditions of use
- (c) Keep out of reach of children Avoid contact with eyes
- Other conditions
- (c) pH < 12,7
Source: UK retained EC 1223/2009 Annex III
United KingdomRestricted
- Chemical name
- Potassium or sodium hydroxide
- CAS
- 1310-58-3/1310-73-2
- Product type
- (d) Other uses as pH adjuster
- Other conditions
- (d) pH < 11
Source: UK retained EC 1223/2009 Annex III
AmericasNo restrictions
No specific restrictions for SODIUM HYDROXIDE in United States, California, Maryland, Washington, Canada, Brazil.
East Asia & Oceania2 regulations
South KoreaRestricted
- Chemical name
- Sodium Hydroxide
- Conditions of use
- * 배합한도 : ∙ 손톱표피 용해 목적일 경우 5%, pH 조정 목적으로 사용되고 최종 제품이 제5조제5항에 pH기준이 정하여 있지 아니한 경우에도 최종 제품의 pH는 11이하 ∙ 제모제에서 pH조정 목적으로 사용되는 경우 최종 제품의 pH는 12.7이하
Source: MFDS Korea Cosmetics Regulation
TaiwanRestricted
- Chemical name
- Potassium or sodium hydroxide
- CAS
- 1310-58-3/ 1310-73-2
- Max concentration
- (a1)2% (a2)4.5% (b)5%
- Product type
- (a)Permanent Hair waving or straightening products (b)Nail cuticle solvent (c)Other use as pH adjuster
- 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 (c)pH<11
- Other conditions
- (a)Contains alkali; Can cause blindness (b)Contains alkali; Avoid contact with eyes; Can cause blindness; Keep out of reach of children
Source: TFDA Cosmetics Regulations
ASEANNo restrictions
No specific restrictions for SODIUM HYDROXIDE in Singapore, Malaysia, Thailand, Indonesia, Vietnam, Philippines.
GCC6 regulations
UAERestricted
- Chemical name
- Potassium or sodium hydroxide
- CAS
- 1310-58-3 / 1310-73-2
- Max concentration
- (a) 5% (b) 2% (General use) and 4.5% (Professional use) Entry 15d: 1,5%
- Product type
- (a) Nail cuticle solvent (b) Hair straightener (c) pH adjuster for depilatories (d) Other uses as pH adjuster Callosity softener/remover (entry 15d)
- Conditions of use
- (a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children (b) 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 (c) Keep out of reach of children Avoid contact with eyes
- Other conditions
- (b) 1. General use 2. Professional use (c) up to pH 12.7 (d) up to pH 11 15 d Contains alcakali, Avoid contact with eyes Keep out of reach of chindren ans Read directions for use carefully
Source: GSO 1943:2024 (based on EU 1223/2009 III)
Saudi ArabiaRestricted
- Chemical name
- Potassium or sodium hydroxide
- CAS
- 1310-58-3 / 1310-73-2
- Max concentration
- (a) 5% (b) 2% (General use) and 4.5% (Professional use) Entry 15d: 1,5%
- Product type
- (a) Nail cuticle solvent (b) Hair straightener (c) pH adjuster for depilatories (d) Other uses as pH adjuster Callosity softener/remover (entry 15d)
- Conditions of use
- (a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children (b) 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 (c) Keep out of reach of children Avoid contact with eyes
- Other conditions
- (b) 1. General use 2. Professional use (c) up to pH 12.7 (d) up to pH 11 15 d Contains alcakali, Avoid contact with eyes Keep out of reach of chindren ans Read directions for use carefully
Source: GSO 1943:2024 (based on EU 1223/2009 III)
QatarRestricted
- Chemical name
- Potassium or sodium hydroxide
- CAS
- 1310-58-3 / 1310-73-2
- Max concentration
- (a) 5% (b) 2% (General use) and 4.5% (Professional use) Entry 15d: 1,5%
- Product type
- (a) Nail cuticle solvent (b) Hair straightener (c) pH adjuster for depilatories (d) Other uses as pH adjuster Callosity softener/remover (entry 15d)
- Conditions of use
- (a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children (b) 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 (c) Keep out of reach of children Avoid contact with eyes
- Other conditions
- (b) 1. General use 2. Professional use (c) up to pH 12.7 (d) up to pH 11 15 d Contains alcakali, Avoid contact with eyes Keep out of reach of chindren ans Read directions for use carefully
Source: GSO 1943:2024 (based on EU 1223/2009 III)
OmanRestricted
- Chemical name
- Potassium or sodium hydroxide
- CAS
- 1310-58-3 / 1310-73-2
- Max concentration
- (a) 5% (b) 2% (General use) and 4.5% (Professional use) Entry 15d: 1,5%
- Product type
- (a) Nail cuticle solvent (b) Hair straightener (c) pH adjuster for depilatories (d) Other uses as pH adjuster Callosity softener/remover (entry 15d)
- Conditions of use
- (a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children (b) 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 (c) Keep out of reach of children Avoid contact with eyes
- Other conditions
- (b) 1. General use 2. Professional use (c) up to pH 12.7 (d) up to pH 11 15 d Contains alcakali, Avoid contact with eyes Keep out of reach of chindren ans Read directions for use carefully
Source: GSO 1943:2024 (based on EU 1223/2009 III)
KuwaitRestricted
- Chemical name
- Potassium or sodium hydroxide
- CAS
- 1310-58-3 / 1310-73-2
- Max concentration
- (a) 5% (b) 2% (General use) and 4.5% (Professional use) Entry 15d: 1,5%
- Product type
- (a) Nail cuticle solvent (b) Hair straightener (c) pH adjuster for depilatories (d) Other uses as pH adjuster Callosity softener/remover (entry 15d)
- Conditions of use
- (a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children (b) 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 (c) Keep out of reach of children Avoid contact with eyes
- Other conditions
- (b) 1. General use 2. Professional use (c) up to pH 12.7 (d) up to pH 11 15 d Contains alcakali, Avoid contact with eyes Keep out of reach of chindren ans Read directions for use carefully
Source: GSO 1943:2024 (based on EU 1223/2009 III)
BahrainRestricted
- Chemical name
- Potassium or sodium hydroxide
- CAS
- 1310-58-3 / 1310-73-2
- Max concentration
- (a) 5% (b) 2% (General use) and 4.5% (Professional use) Entry 15d: 1,5%
- Product type
- (a) Nail cuticle solvent (b) Hair straightener (c) pH adjuster for depilatories (d) Other uses as pH adjuster Callosity softener/remover (entry 15d)
- Conditions of use
- (a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children (b) 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 (c) Keep out of reach of children Avoid contact with eyes
- Other conditions
- (b) 1. General use 2. Professional use (c) up to pH 12.7 (d) up to pH 11 15 d Contains alcakali, Avoid contact with eyes Keep out of reach of chindren ans Read directions for use carefully
Source: GSO 1943:2024 (based on EU 1223/2009 III)
EAEU5 regulations
RussiaRestricted
- Chemical name
- Гидроксиды калия или натрия (Potassium or sodium hydroxide)<20>
- CAS
- 1310-58-3
- Max concentration
- (a) 5 процентов<4> (b) 2 процента<4> 4,5 процента<4>
- Product type
- (a) Для смягчения ногтевых кутикул (b) Продукция для выпрямления волос (c) регулятор pH в депиляториях (d) регулятор pH в другой продукции
- Conditions of use
- (a) Содержит щелочь. Избегать попадания в глаза. Может вызвать слепоту. Хранить в недоступном для детей месте (b) Содержит щелочь. Избегать попадания в глаза. Может вызвать слепоту. Хранить в недоступном для детей месте. Только для профессионального применения. Избегать попадания в глаза. Может вызвать слепоту. (c) Хранить в недоступном для детей месте. Избегать попадания в глаза
- Other conditions
- Общее применение Только профессиональное применение (c) pH < 12.7 (d) pH < 11
Source: TR CU 009/2011 Annex 2 (Restricted Substances) (Ref 15a)
BelarusRestricted
- Chemical name
- Гидроксиды калия или натрия (Potassium or sodium hydroxide)<20>
- CAS
- 1310-58-3
- Max concentration
- (a) 5 процентов<4> (b) 2 процента<4> 4,5 процента<4>
- Product type
- (a) Для смягчения ногтевых кутикул (b) Продукция для выпрямления волос (c) регулятор pH в депиляториях (d) регулятор pH в другой продукции
- Conditions of use
- (a) Содержит щелочь. Избегать попадания в глаза. Может вызвать слепоту. Хранить в недоступном для детей месте (b) Содержит щелочь. Избегать попадания в глаза. Может вызвать слепоту. Хранить в недоступном для детей месте. Только для профессионального применения. Избегать попадания в глаза. Может вызвать слепоту. (c) Хранить в недоступном для детей месте. Избегать попадания в глаза
- Other conditions
- Общее применение Только профессиональное применение (c) pH < 12.7 (d) pH < 11
Source: TR CU 009/2011 Annex 2 (Restricted Substances) (Ref 15a)
KazakhstanRestricted
- Chemical name
- Гидроксиды калия или натрия (Potassium or sodium hydroxide)<20>
- CAS
- 1310-58-3
- Max concentration
- (a) 5 процентов<4> (b) 2 процента<4> 4,5 процента<4>
- Product type
- (a) Для смягчения ногтевых кутикул (b) Продукция для выпрямления волос (c) регулятор pH в депиляториях (d) регулятор pH в другой продукции
- Conditions of use
- (a) Содержит щелочь. Избегать попадания в глаза. Может вызвать слепоту. Хранить в недоступном для детей месте (b) Содержит щелочь. Избегать попадания в глаза. Может вызвать слепоту. Хранить в недоступном для детей месте. Только для профессионального применения. Избегать попадания в глаза. Может вызвать слепоту. (c) Хранить в недоступном для детей месте. Избегать попадания в глаза
- Other conditions
- Общее применение Только профессиональное применение (c) pH < 12.7 (d) pH < 11
Source: TR CU 009/2011 Annex 2 (Restricted Substances) (Ref 15a)
ArmeniaRestricted
- Chemical name
- Гидроксиды калия или натрия (Potassium or sodium hydroxide)<20>
- CAS
- 1310-58-3
- Max concentration
- (a) 5 процентов<4> (b) 2 процента<4> 4,5 процента<4>
- Product type
- (a) Для смягчения ногтевых кутикул (b) Продукция для выпрямления волос (c) регулятор pH в депиляториях (d) регулятор pH в другой продукции
- Conditions of use
- (a) Содержит щелочь. Избегать попадания в глаза. Может вызвать слепоту. Хранить в недоступном для детей месте (b) Содержит щелочь. Избегать попадания в глаза. Может вызвать слепоту. Хранить в недоступном для детей месте. Только для профессионального применения. Избегать попадания в глаза. Может вызвать слепоту. (c) Хранить в недоступном для детей месте. Избегать попадания в глаза
- Other conditions
- Общее применение Только профессиональное применение (c) pH < 12.7 (d) pH < 11
Source: TR CU 009/2011 Annex 2 (Restricted Substances) (Ref 15a)
KyrgyzstanRestricted
- Chemical name
- Гидроксиды калия или натрия (Potassium or sodium hydroxide)<20>
- CAS
- 1310-58-3
- Max concentration
- (a) 5 процентов<4> (b) 2 процента<4> 4,5 процента<4>
- Product type
- (a) Для смягчения ногтевых кутикул (b) Продукция для выпрямления волос (c) регулятор pH в депиляториях (d) регулятор pH в другой продукции
- Conditions of use
- (a) Содержит щелочь. Избегать попадания в глаза. Может вызвать слепоту. Хранить в недоступном для детей месте (b) Содержит щелочь. Избегать попадания в глаза. Может вызвать слепоту. Хранить в недоступном для детей месте. Только для профессионального применения. Избегать попадания в глаза. Может вызвать слепоту. (c) Хранить в недоступном для детей месте. Избегать попадания в глаза
- Other conditions
- Общее применение Только профессиональное применение (c) pH < 12.7 (d) pH < 11
Source: TR CU 009/2011 Annex 2 (Restricted Substances) (Ref 15a)
Frequently Asked Questions
Is SODIUM HYDROXIDE banned in any country?
SODIUM HYDROXIDE is not banned in any of the 26 markets tracked by Formpli. However, it may be subject to restrictions or conditions of use in some markets.
What are the restrictions on SODIUM HYDROXIDE in cosmetics?
SODIUM HYDROXIDE is restricted or has conditions of use in UAE, Armenia, Bahrain, Belarus, European Union, Kyrgyzstan, South Korea, Kuwait, Kazakhstan, Oman, Qatar, Russia, Saudi Arabia, Taiwan, United Kingdom. Restrictions may include maximum concentration limits, product type limitations, or mandatory labeling requirements. See the detailed regulations above for specifics.
Can I use SODIUM HYDROXIDE in cosmetics?
SODIUM HYDROXIDE is regulated in 15 markets. It has restrictions in UAE, Armenia, Bahrain, Belarus, European Union, Kyrgyzstan, South Korea, Kuwait, Kazakhstan, Oman, Qatar, Russia, Saudi Arabia, Taiwan, United Kingdom. Use Formpli's free screening tool to check your full ingredient list against all 26 markets at once.
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Check Ingredients FreeThis information is for reference only and does not constitute legal or regulatory advice. Regulations change — always verify with official sources and consult a regulatory specialist before exporting cosmetic products. Data sourced from EU COSING, US FDA, Health Canada, MHLW Japan, MFDS Korea, ASEAN ACD, GCC SFDA, TGA Australia, ANVISA Brazil, EAEU TR CU, and Taiwan TFDA.