METHENAMINE

BannedCAS 100-97-018 regulations across 18 markets

METHENAMINE is a cosmetic ingredient classified as Antimicrobial. Also known as CAS 100-97-0. It is regulated in 18 markets including UAE, Bahrain, Brazil.

Also Known As

CAS Number
100-97-0

Market Overview — 29 Markets

European Union1
United Kingdom1
United States
California
Maryland
Washington1
Canada
Brazil1
South Korea1
Japan
Taiwan1
Australia
Singapore1
Malaysia1
Thailand1
Indonesia1
Vietnam1
Philippines1
UAE1
Saudi Arabia1
Qatar1
Oman1
Kuwait1
Bahrain1
Russia
Belarus
Kazakhstan
Armenia
Kyrgyzstan

Detailed Regulations

Europe2 regulations
European UnionRestrictedAnnex V #30
Chemical name
Methenamine
CAS
100-97-0
Max concentration
0.15%

Source: EC 1223/2009 Annex V

United KingdomRestrictedAnnex V #30
Chemical name
Methenamine
CAS
100-97-0
Max concentration
0,15 %
Conditions of use
Max: 0,15 %

Source: UK retained EC 1223/2009 Annex V

Americas2 regulations
WashingtonBannedAnnex HB1047_P2
Chemical name
Methenamine
CAS
100-97-0
Conditions of use
Banned effective 2027-01-01 (HB 1047 Phase 2 - formaldehyde releasers)

Source: WA HB 1047 (Toxic-Free Cosmetics Act)

BrazilRestrictedAnnex RDC_528 #47
Chemical name
Hexametilenotetra mina
CAS
100-97-0
Max concentration
0,15%

Source: ANVISA RDC 528

East Asia & Oceania2 regulations
South KoreaRestrictedAnnex restricted #M949
Chemical name
Methenamine
Conditions of use
* 배합한도 : 0.15%

Source: MFDS Korea Cosmetics Regulation

TaiwanRestrictedAnnex Preservatives List #55
Chemical name
Methenamine
CAS
100-97-0
Max concentration
0.15 %
Conditions of use
When used as preservatives in cosmetic products, the total amount of released free formaldehyde should not exceed 1000 ppm

Source: TFDA Cosmetics Regulations

ASEAN6 regulations
SingaporeRestrictedAnnex ACD Annex VI (Preservatives) #30
Chemical name
Hexamethylenetetramine( / methenamine) (INN)
CAS
100-97-0
Max concentration
0.15%

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

MalaysiaRestrictedAnnex ACD Annex VI (Preservatives) #30
Chemical name
Hexamethylenetetramine( / methenamine) (INN)
CAS
100-97-0
Max concentration
0.15%

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

ThailandRestrictedAnnex ACD Annex VI (Preservatives) #30
Chemical name
Hexamethylenetetramine( / methenamine) (INN)
CAS
100-97-0
Max concentration
0.15%

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

IndonesiaRestrictedAnnex ACD Annex VI (Preservatives) #30
Chemical name
Hexamethylenetetramine( / methenamine) (INN)
CAS
100-97-0
Max concentration
0.15%

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

VietnamRestrictedAnnex ACD Annex VI (Preservatives) #30
Chemical name
Hexamethylenetetramine( / methenamine) (INN)
CAS
100-97-0
Max concentration
0.15%

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

PhilippinesRestrictedAnnex ACD Annex VI (Preservatives) #30
Chemical name
Hexamethylenetetramine( / methenamine) (INN)
CAS
100-97-0
Max concentration
0.15%

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

GCC6 regulations
UAERestrictedAnnex V #30
Chemical name
Methenamine
CAS
100-97-0
Max concentration
0.15%

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

Saudi ArabiaRestrictedAnnex V #30
Chemical name
Methenamine
CAS
100-97-0
Max concentration
0.15%

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

QatarRestrictedAnnex V #30
Chemical name
Methenamine
CAS
100-97-0
Max concentration
0.15%

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

OmanRestrictedAnnex V #30
Chemical name
Methenamine
CAS
100-97-0
Max concentration
0.15%

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

KuwaitRestrictedAnnex V #30
Chemical name
Methenamine
CAS
100-97-0
Max concentration
0.15%

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

BahrainRestrictedAnnex V #30
Chemical name
Methenamine
CAS
100-97-0
Max concentration
0.15%

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

EAEUNo restrictions

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

Frequently Asked Questions

Is METHENAMINE banned in any country?

Yes, METHENAMINE is banned in Washington. Always check current regulations before formulating products for these markets.

What are the restrictions on METHENAMINE in cosmetics?

METHENAMINE is restricted or has conditions of use in UAE, Bahrain, Brazil, European Union, Indonesia, South Korea, Kuwait, Malaysia, Oman, Philippines, Qatar, Saudi Arabia, Singapore, Thailand, Taiwan, United Kingdom, Vietnam. Restrictions may include maximum concentration limits, product type limitations, or mandatory labeling requirements. See the detailed regulations above for specifics.

Can I use METHENAMINE in cosmetics?

METHENAMINE is regulated in 18 markets. It is banned in Washington. It has restrictions in UAE, Bahrain, Brazil, European Union, Indonesia, South Korea, Kuwait, Malaysia, Oman, Philippines, Qatar, Saudi Arabia, Singapore, Thailand, Taiwan, United Kingdom, Vietnam. Use Formpli's free screening tool to check your full ingredient list against all 26 markets at once.

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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.