4-AMINO-2-HYDROXYTOLUENE

AI-analyzed

hair dyeing

What it does

5-amino-o-cresol

May aggravate

sensitivity

Safety summary

As a hair dye ingredient, it can cause allergic reactions in sensitive individuals. A patch test is recommended before use to check for sensitivity.

CAS Number

2835-95-2

For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.