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ACETYL SH-TETRAPEPTIDE-39

84

Safety score · 0–100

Good

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

A synthetic tetrapeptide with an acetyl group, designed for anti-aging applications such as reducing the appearance of fine lines and wrinkles.

Acetyl sh-Tetrapeptide-39 is a synthetic acetylated tetrapeptide used in anti-aging cosmetic formulations. Peptides in this class have a strong safety record in cosmetic applications with minimal sensitization potential. Not restricted under EU Cosmetics Regulation 1223/2009. Studies indicate good skin tolerability and compatibility with various cosmetic bases.

Skin benefits

  • May reduce appearance of fine lines and wrinkles
  • Supports skin firmness and elasticity

Known concerns

  • Generally well tolerated; individual hypersensitivity possible

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.