STYRENE

BannedCAS 100-42-516 regulations across 15 markets

STYRENE is a cosmetic ingredient classified as Solvent. Also known as CAS 100-42-5. It is regulated in 15 markets including UAE, Bahrain, European Union.

Also Known As

CAS Number
100-42-5

Market Overview — 29 Markets

European Union1
United Kingdom1
United States
California2
Maryland
Washington
Canada
Brazil
South Korea
Japan
Taiwan
Australia
Singapore1
Malaysia1
Thailand1
Indonesia1
Vietnam1
Philippines1
UAE1
Saudi Arabia1
Qatar1
Oman1
Kuwait1
Bahrain1
Russia
Belarus
Kazakhstan
Armenia
Kyrgyzstan

Detailed Regulations

Europe2 regulations
European UnionBannedAnnex II #1575
Chemical name
Styrene
CAS
100-42-5

Source: EC 1223/2009 Annex II

United KingdomBannedAnnex II #1575
Chemical name
Styrene
CAS
100-42-5

Source: UK retained EC 1223/2009 Annex II

Americas2 regulations
CaliforniaBannedAnnex AB496
Chemical name
Styrene
CAS
100-42-5
Conditions of use
Banned effective 2027-01-01 (AB 496 Phase 2)

Source: CA AB 496 (Toxic-Free Cosmetics Act Phase 2)

CaliforniaRestrictedAnnex PROP65
Chemical name
Styrene
CAS
100-42-5
Conditions of use
Prop 65 Warning Required: cancer

Source: California Prop 65

East Asia & OceaniaNo restrictions

No specific restrictions for STYRENE in South Korea, Japan, Taiwan, Australia.

ASEAN6 regulations
SingaporeBannedAnnex ACD Annex II (Prohibited) #1575
Chemical name
Styrene
CAS
100-42-5

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

MalaysiaBannedAnnex ACD Annex II (Prohibited) #1575
Chemical name
Styrene
CAS
100-42-5

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

ThailandBannedAnnex ACD Annex II (Prohibited) #1575
Chemical name
Styrene
CAS
100-42-5

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

IndonesiaBannedAnnex ACD Annex II (Prohibited) #1575
Chemical name
Styrene
CAS
100-42-5

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

VietnamBannedAnnex ACD Annex II (Prohibited) #1575
Chemical name
Styrene
CAS
100-42-5

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

PhilippinesBannedAnnex ACD Annex II (Prohibited) #1575
Chemical name
Styrene
CAS
100-42-5

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

GCC6 regulations
UAEBannedAnnex II #1575
Chemical name
Styrene
CAS
100-42-5

Source: GSO 1943:2024 (based on EU 1223/2009 II)

Saudi ArabiaBannedAnnex II #1575
Chemical name
Styrene
CAS
100-42-5

Source: GSO 1943:2024 (based on EU 1223/2009 II)

QatarBannedAnnex II #1575
Chemical name
Styrene
CAS
100-42-5

Source: GSO 1943:2024 (based on EU 1223/2009 II)

OmanBannedAnnex II #1575
Chemical name
Styrene
CAS
100-42-5

Source: GSO 1943:2024 (based on EU 1223/2009 II)

KuwaitBannedAnnex II #1575
Chemical name
Styrene
CAS
100-42-5

Source: GSO 1943:2024 (based on EU 1223/2009 II)

BahrainBannedAnnex II #1575
Chemical name
Styrene
CAS
100-42-5

Source: GSO 1943:2024 (based on EU 1223/2009 II)

EAEUNo restrictions

No specific restrictions for STYRENE in Russia, Belarus, Kazakhstan, Armenia, Kyrgyzstan.

Frequently Asked Questions

Is STYRENE banned in any country?

Yes, STYRENE is banned in UAE, Bahrain, European Union, Indonesia, Kuwait, Malaysia, Oman, Philippines, Qatar, Saudi Arabia, Singapore, Thailand, United Kingdom, California, Vietnam. Always check current regulations before formulating products for these markets.

What are the restrictions on STYRENE in cosmetics?

STYRENE is banned in UAE, Bahrain, European Union, Indonesia, Kuwait, Malaysia, Oman, Philippines, Qatar, Saudi Arabia, Singapore, Thailand, United Kingdom, California, Vietnam and has no specific restrictions in other tracked markets.

Can I use STYRENE in cosmetics?

STYRENE is regulated in 15 markets. It is banned in UAE, Bahrain, European Union, Indonesia, Kuwait, Malaysia, Oman, Philippines, Qatar, Saudi Arabia, Singapore, Thailand, United Kingdom, California, Vietnam. Use Formpli's free screening tool to check your full ingredient list against all 26 markets at once.

Screen STYRENE with your full formula

Paste your entire ingredient list and get a compliance report across 26 markets — free, no signup.

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This 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.