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Disodium 4-hydroxy-3-[(4-sulphonatonaphthyl)azo]naphthalenesulphonate
May aggravate
Safety summary
Colorants like this are generally considered safe for cosmetic use when used within regulatory guidelines. Allergic reactions are rare but possible in very sensitive individuals.
CAS Number
3567-69-9
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.