Colorant
HENNA
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Henna powder — a traditional plant hair dye. Pure red henna is generally tolerated but lawsone has shown in-vitro genotoxicity, and so-called black henna is often spiked with allergenic PPD.
Function
Skin benefits
- Natural hair colorant
- Conditioning effect on hair fibre
- Long traditional use
Known concerns
- Lawsone is genotoxic in vitro
- Black henna often adulterated with PPD
- Sensitisation reports
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related colorants
Check your shelf
Find HENNA in your products.
Scan any cosmetic product with LuxSense to see if it contains HENNA and get a full ingredient breakdown with safety scores.
This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.