Skip to content

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.

About

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.

Check your shelf

Find ACETYL SH-TETRAPEPTIDE-39 in your products.

Scan any cosmetic product with LuxSense to see if it contains ACETYL SH-TETRAPEPTIDE-39 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.