m-Aminophenol
Also known as: 3-aminophenol; meta-aminophenol; m-Aminophenol HCl; m-Aminophenol Sulfate
INCI name: m-Aminophenol
What it does
A coupler that reacts with PPD-type colour-formers in permanent dyes to produce the final shade.
Benefits
Widens the range of shades a permanent colour can produce.
Concerns & Risks
A recognised contact allergen: 1% of European patients reacted to it in patch testing, and it was in 75% of US home dyes in one survey. Most people who react to it also react to PPD.
Comedogenic rating
Non-comedogenic (0)
Suitable for
People without hair-dye allergy
Avoid if
You have reacted to a hair dye or have a known aminophenol or PPD allergy
Typical concentration
EU maximum 1.2% on the head after mixing. India and US: no specific limit verified.