Thailand Approves Amendments to Cosmetic Ingredient Lists: 19 Additions, 4 Revisions, and 2 Deletions

On December 24, 2025, Thailand formally approved amendments to its cosmetic ingredient lists, as originally proposed on February 28, 2025. The updates include the addition of 17 prohibited ingredients and 2 restricted ingredients, revisions to 4 existing ingredient entries, and the removal of 2 permitted preservatives. These amendments aim to align Thailand's cosmetic regulations with recent updates to the ASEAN Cosmetic Directive (ACD) adopted at previous meetings of the ASEAN Cosmetic Scientific Body (ACSB).