Colorant
LAWSONIA INERMIS EXTRACT
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Henna leaf extract — a traditional botanical dye that releases lawsone for skin and hair coloring. Allergic reactions are common, and adulterated black henna can cause severe sensitization.
Function
Skin benefits
- Natural color from lawsone
- Mild astringent and conditioning
- Traditional cosmetic use
Known concerns
- Lawsone is restricted under EU rules
- Frequent allergic contact dermatitis
- Risk amplified by para-phenylenediamine in adulterated black henna
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related colorants
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.