4-Amino-2-Hydroxytoluene
INCI: 4-AMINO-2-HYDROXYTOLUENE
CAS 2835-99-6 EC 220-618-6
5-amino-o-cresol
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details
Description
5-amino-o-cresol
Purpose
Function
Hair dyeing (oxidative hair dye coupler)
Profile
Properties
Silicone
Silicone free
Compliance
Regulatory Status
EU
Banned
Safety
POOR
US
Permitted
Absorptionmoderate
Sensitizationmoderate
MoSadequate
NOAEL50 mg/kg
ConcernModerate
Flags
eu_cosing_listed
Verdict
Must not be used with nitrosating agents. Mandatory consumer warning: Hair colorants can cause severe allergic reactions. Not intended for persons under 16. Patch test recommended before each use.
US Note
Permitted under coal tar hair dye exemption (21 USC §361(a)); CIR concluded safe for use as a hair dye ingredient at current practices of use and concentration
Assessment
Ratings
Reference