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ACETYL TETRAPEPTIDE-5.

Valuable CAS - / HUMECTANT

Acetyl Tetrapeptide-5 is a targeted peptide designed to visibly diminish under-eye bags and puffiness. It also contributes to enhanced skin elasticity around the delicate eye area.

skin-conditioning humectant anti-puffiness moisturizing anti-glycation improves microcirculation

Science

This peptide acts as an anti-edematous agent by inhibiting Angiotensin I-Converting Enzyme (ACE) to improve microcirculation and prevent fluid accumulation. Additionally, it reduces glycation and enhances Superoxide Dismutase activity to protect collagen and maintain elasticity.


Research

High confidence
Effective range 0.01–0.1%
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH 2 – 7
0 7 14

Stability

Highly stable in aqueous solutions; integrate into formulations during the cooling phase (below 40-45°C) to preserve peptide integrity. Store away from light due to its hygroscopic nature.

Conflicts

  • Strong oxidizing agents
  • Strong acids/bases (outside pH 2.0-7.0)
  • High heat (>45°C) during processing

Safety

CIR Status
Not reviewed
Max tested
1%
Sensitization risk Low

Generally considered safe and non-toxic for cosmetic topical use, with widespread industry utilization at low pure peptide concentrations. Potential irritation is noted only in the pure, undiluted powder form.


Your Skin

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

Our Assessment

Valuable

Acetyl Tetrapeptide-5 is a valuable ingredient for addressing under-eye bags, puffiness, and improving elasticity, supported by robust clinical data and excellent skin compatibility.


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