Is 1,2,4-Triazole restricted in EU cosmetics?

1,2,4-Triazole is prohibited in EU cosmetics according to EU CosIng Annex II.

Is 1,2,4-Triazole restricted under the ASEAN Cosmetic Directive?

1,2,4-Triazole is prohibited under the ASEAN Cosmetic Directive Annex II.

The CAS number for 1,2,4-Triazole is 288-88-0.

Regulatory data is for reference only. Always verify with the official regulator before making formulation decisions. Last refreshed: 8/29/2026.

Ingredients/1,2,4-Triazole

EU CosIng II — prohibitedASEAN II — prohibited

Source	Status	Annex / Details	Limit / Conditions	Last updated
EU CosIng	prohibited	Annex II		—
ASEAN	prohibited	Annex II	—	—

1,2,4-Triazole has regulatory signals in EU CosIng, ASEAN. Review the source links above for the official conditions and latest updates.

Is 1,2,4-Triazole restricted in EU cosmetics?: 1,2,4-Triazole is prohibited in EU cosmetics according to EU CosIng Annex II.
Is 1,2,4-Triazole restricted under the ASEAN Cosmetic Directive?: 1,2,4-Triazole is prohibited under the ASEAN Cosmetic Directive Annex II.
What is the CAS number for 1,2,4-Triazole?: The CAS number for 1,2,4-Triazole is 288-88-0.