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A synthetic basic dye used in hair coloring formulations to impart yellow tones.
May aggravate
Safety summary
Generally safe for use in hair dyes within regulatory limits. Potential for skin irritation or allergic reactions in sensitive individuals.
CAS Number
29556-33-0
1% line marker
This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.