Colorant

5-Diamine Sulfate

Oxidative hair dye precursor (sulfate salt form)
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Oxidative hair dye precursor (sulfate salt form)

Purpose

Function

Oxidative hair dye precursor (sulfate salt form)
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Restricted
Safety
MODERATE
US
Permitted
EU Max Concentration3.6%
Absorptionlow
Sensitizationlow
MoSadequate
NOAEL12 mg/kg
ConcernModerate
Verdict

Same flags as free base: strong sensitizer, cross-reactive with PPD; o-toluidine impurity control mandatory; SCCS confirmed safe only at reduced concentration vs original 4.0% submission

US Note

Permitted as coal tar hair dye with mandatory caution labeling

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

Category
Colorant
Updated
Apr 23, 2026

No registry identifiers available for this ingredient.