Skip to content

Colorant

HENNA

CAS 83-72-7 / 84988-66-9 Updated
45

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

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

BULKINGHAIR DYEINGSKIN CONDITIONING

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

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related colorants

45
1H-Indene-1,3(2H)-dione, 2-(2-quinolinyl)-, sulfonated, sodium salts
Colorant
 45
2-AMINO-4-HYDROXYETHYLAMINOANISOLE SULFATE
Colorant
 45
ACID BLUE 3
Colorant
 45
CI 12085
Colorant
 45
CI 15980
Colorant
 45
CI 16230
Colorant
 45
CI 16290
Colorant
 45
CI 18690
Colorant

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 — always read the physical product label and consult a healthcare professional for personal concerns.