Review
Cosmetic Ingredient Hotlist: c) Hair dyes, waving or straightening products for professional use
Health Canada
ReviewHealth Canada Cosmetic Ingredient Hotlist
Research Facts
Cosmetic Ingredient Hotlist: c) Hair dyes, waving or straightening products for professional use
Health Canada
Review · Strong
Findings

Unknown in Canadian cosmetics — c) 11% (as thioglycolic acid) with a pH less than or equal to 9.5

Design
Review
Evidence
Strong
Journal
Health Canada Cosmetic Ingredient Hotlist
Funded By

Government of Canada — public regulatory body