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amino acid derivative

ACETYL HYDROXYPROLINE

CAS 33996-33-7
78

Safety score · 0–100

Fine

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

N-acetylated hydroxyproline derivative offering humectant and conditioning effects via collagen-related amino acid chemistry, well tolerated topically though strong anti-aging claims often outrun the clinical evidence.

Skin benefits

  • collagen-related amino acid derivative
  • skin-conditioning
  • humectant via amino acid hydration
  • potential collagen-signaling support

Known concerns

  • mechanism for boosting collagen overstated by marketing
  • limited human leave-on efficacy data
  • stability of acetylated derivative in formula

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