Skip to content

Hair Colorant

HYDROXYSUCCINIMIDYL C10-40 ISOALKYL ACIDATE

Updated
55

Safety score · 0–100

Moderate

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

About

A reactive NHS-ester surfactant used in permanent hair dyes and perms to bond colorants to hair keratin. The reactive ester chemistry brings real sensitisation potential, hence the cautious tier.

Function

CLEANSINGSURFACTANT - EMULSIFYINGHAIR CONDITIONINGHAIR WAVING OR STRAIGHTENINGSURFACTANT - CLEANSING

Skin benefits

  • Bonds colorants to hair proteins
  • Useful in permanent hair dyes
  • Improves wear of hair-color products

Known concerns

  • NHS-ester reactivity can cause skin sensitisation
  • Used in permanent dyes/perm products with known irritation potential
  • Limited independent dermal data

References

EU

EU CosIng database

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

Related hair colorants

55
BASIC ORANGE 31
Hair Colorant
 58
HC RED NO. 19
Hair Colorant
 50
HC BLUE NO. 14
Hair Colorant
 50
HC YELLOW NO. 17
Hair Colorant
 48
4-HYDROXYPROPYLAMINO-3-NITROPHENOL
Hair Colorant
 62
Indigofera tinctoria, dried and pulverised leaves of Indigofera tinctoria L
Hair Colorant
 42
HC BLUE NO. 16
Hair Colorant
 42
HC RED NO. 18
Hair Colorant

Check your shelf

Find HYDROXYSUCCINIMIDYL C10-40 ISOALKYL ACIDATE in your products.

Scan any cosmetic product with LuxSense to see if it contains HYDROXYSUCCINIMIDYL C10-40 ISOALKYL ACIDATE 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.