Skip to content

Active Ingredient

Trichloroacetic acid

CAS 76-03-9 Updated
25

Safety score · 0–100

Caution

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

About

A strong corrosive acid used for medium/deep professional chemical peels and wart treatment. Severely caustic — restricted in EU consumer products and definitely not a DIY ingredient.

Skin benefits

  • Strong professional chemical-peel agent
  • Used for warts and skin lesion ablation in clinical settings

Known concerns

  • Severely corrosive — causes deep skin burns
  • Restricted in EU consumer cosmetics
  • Risk of scarring and pigmentation changes if misused
  • Not appropriate for at-home cosmetic use

References

EU

EU CosIng database

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

Related active ingredients

Check your shelf

Find Trichloroacetic acid in your products.

Scan any cosmetic product with LuxSense to see if it contains Trichloroacetic acid 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.