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ACETYL SH-TETRAPEPTIDE-39.

Valuable / SKIN CONDITIONING

Acetyl sh-Tetrapeptide-39 is a synthetic single-chain peptide designed for advanced skin conditioning and body contouring. It targets localized fat deposits, offering potential benefits for skin smoothness and anti-cellulite applications.

Skin conditioning Slimming agent Anti-cellulite

Science

This peptide acts as an antagonist to PGC-1alpha, downregulating its expression. This mechanism inhibits the maturation of pre-adipocytes and reduces lipid accumulation within fatty tissues, thereby smoothing the skin surface.


Research

Medium confidence
Effective range 0.01–2%
Optimal

1%

Key findings

  1. 01 In vitro studies show a significant reduction in PGC-1alpha expression, leading to decreased lipid accumulation in adipocytes, suggesting potential for cellulite reduction.
  2. 02 In vivo trials using related adipogenesis-inhibiting peptides demonstrated measurable decreases in thigh circumference and improved skin regularity within 28-56 days.

Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH 5 – 7.5
0 7 14

Stability

Stable in aqueous solutions; for optimal integrity, incorporate during the cooling phase of emulsions, below 40°C.

Conflicts

  • Strong oxidizing agents
  • Strong acids
  • Strong bases
  • Proteolytic enzymes

Safety

CIR Status
Not reviewed
Max tested
2%
Sensitization risk Low

Manufacturer's toxicological data indicates a low sensitization risk, with HRIPT passed at 10x the recommended dosage. Ames test confirmed no mutagenicity.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

A valuable synthetic peptide for body contouring, effectively targeting adipogenesis to reduce the appearance of cellulite and localized fat deposits.


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