Acetyl Sh-Nonapeptide-5
INCI: ACETYL SH-NONAPEPTIDE-5
Also known as: Acetyl Sh-nonapeptide-5
A peptide that may support skin conditioning and cellular repair processes
At a glance
Best For Skin Types
All
Addresses
Usage Frequency
Daily
What Is Acetyl Sh-Nonapeptide-5?
Acetyl Sh-Nonapeptide-5 is a synthetic peptide—a short chain of amino acids—designed to mimic or support natural skin proteins involved in cellular function. Peptides are small enough to potentially penetrate the outer layers of skin, where they may interact with skin cells to support various biological processes.
In skincare formulations, this ingredient is classified as a skin conditioning agent, meaning it is intended to improve the texture, appearance, or overall condition of the skin rather than act as a preservative or thickener.
How It Works
Peptides work by signalling to skin cells or by providing structural support. Acetyl Sh-Nonapeptide-5 may interact with skin cells to encourage beneficial processes such as maintaining cellular turnover or supporting the skin's natural repair mechanisms. The acetyl modification may enhance its stability or skin penetration compared to unmodified peptides.
The precise mechanism of action for this specific peptide is not extensively documented in published research, so the exact pathways remain somewhat unclear.
Clinical Evidence & References
Research into acetylation processes in skin suggests that acetyl-based compounds can play roles in cellular repair, lipid synthesis, and wound healing at a biochemical level. These processes are relevant to skin health and ageing, though the evidence does not yet confirm specific benefits of Acetyl Sh-Nonapeptide-5 itself.
Published clinical studies specifically evaluating this ingredient in cosmetic formulations are limited. Whilst the theoretical basis for peptide use in skincare is sound, claims about this particular peptide would benefit from more robust clinical validation.
Published Research
How to Use
Peptide-containing products are generally used as part of a regular skincare routine, typically in serums or moisturisers applied to clean skin. Layer before heavier creams if using a lightweight formulation. As with any new ingredient, introduce it gradually and observe how your skin responds over several weeks, as benefits from peptides may take time to become noticeable.
Safety & Precautions
Regulatory information
Standardised cosmetic-ingredient identifiers used by regulators.
Show identifiers
- INCI Name
- ACETYL SH-NONAPEPTIDE-5
- Function
- Skin Conditioning
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