Colorant

Basic Blue 124

INCI: BASIC BLUE 124
CAS 67846-56-4
3-Amino-7- (dimethylamino)-2- methoxyphenoxazin- 5-ium chloride
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

3-Amino-7- (dimethylamino)-2- methoxyphenoxazin- 5-ium chloride

Purpose

Function

Hair dyeing (cationic direct dye for semi-permanent formulations)
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
GOOD
US
Permitted
EU Max Concentration0.5%
Absorptionlow
Sensitizationlow
MoSadequate
ConcernLow
Flags
eu_cosing_listed
Verdict

Must not exceed 0.5% on-head; phenoxazinium structure with good UV stability and 8-10 wash durability; monitor for mutagenicity data updates

US Note

Hair dye products exempt from color additive certification under FD&C Act coal-tar hair dye exemption (21 USC 361(a)), provided label bears caution statement

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
67846-56-4
INCI
BASIC BLUE 124
Category
Colorant
Updated
Apr 2, 2026