Basic Red 51 is a synthetic organic dye used in hair coloring products. It is responsible for creating red and reddish-pink tones in hair, particularly in semi-permanent and temporary dye formulations. This ingredient works by depositing color molecules onto the hair shaft.
NoneHair dyeVeganEvidence: Medium
BenefitNone 0 / 4
RiskModerate 1.5 / 4
Sensitization
Irritation
Rated by SpottyLabs' ingredient methodology, independent of brands.
Things to watch
Potential for skin irritation
Can cause allergic reactions
May stain skin and clothing
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Basic Red 51 is a synthetic dye primarily used in hair coloring products to create red and reddish-pink shades. It is often found in semi-permanent or temporary hair dyes.
Is Basic Red 51 safe for all hair types?
While generally considered safe for use in hair products, some individuals may experience skin irritation or allergic reactions. A patch test is recommended before full application.
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