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This ingredient is a synthetic colorant specifically used in hair dyeing products. It provides a brown shade to hair, either alone or in combination with other dyes.
May aggravate
Safety summary
Generally safe for use in hair dyes when used as directed. Some individuals may experience skin irritation or allergic reactions, so a patch test is recommended before use.
CAS Number
68391-32-2
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.