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Surfactant

TRIDECYLBENZENESULFONIC ACID

CAS 25496-01-9 Updated
50

Safety score · 0–100

Moderate

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

About

A long-chain alkylbenzene sulfonic acid surfactant. It cleans well but is firmly in the harsh-detergent class — irritating to skin and eyes, drying, and rarely seen in modern leave-on cosmetics.

Function

CLEANSINGFOAMINGSURFACTANT - CLEANSING

Skin benefits

  • Effective anionic surfactant
  • Strong cleansing power
  • Formulation flexibility for cleansers

Known concerns

  • Skin and eye irritant at use levels
  • Linear alkylbenzene sulfonates are drying for skin
  • Limited cosmetic-specific positive listing
  • Environmental persistence concerns

References

EU

EU CosIng database

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

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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.