A synthetic hair dye intermediate developed in the 20th century. Engineered as a more stable and effective alternative to earlier natural or plant-based colorants.
EWG
4
CIR
Safe as used
Pregnancy
No
CIR Safety Findings
ewg-4
medical-approval
all-shades-safe
Concentration Guide
1.85%
0%3%
Reg. Limit
EU regulatory limit: 1.85%. 1.85 %. For (a) and (b): Hair colourants can use severe allergic reactions Read and follow intructions Source: EU Cosmetics Regulation (EC) 1223/2009, Annex III (Restricted Substances), Entry 248