Peptides

Sh-Polypeptide-1

INCI: SH-POLYPEPTIDE-1

Reviewed by Rosie · Last updated 2 Jun 2026

A peptide that supports skin conditioning and structure

Best For Skin Types

All, Dry, Mature, Sensitive

Addresses

Fine lines, Dryness, Hydration

Usage Frequency

Daily

What Is Sh-Polypeptide-1?

Sh-Polypeptide-1 is a peptide—a short chain of amino acids—designed to function as a skin conditioning agent. Peptides are naturally occurring in the skin and play a structural role in maintaining its integrity and appearance.

This ingredient works at the surface level to improve skin texture and hydration status, helping to support the skin's natural moisture retention and overall condition.

How It Works

Peptides function as skin conditioning agents by interacting with the outer layers of skin to improve hydration and texture. Sh-Polypeptide-1 works primarily at the surface, helping to reinforce the skin's moisture barrier and creating a more refined appearance.

The mechanism relies on the ingredient's ability to support the skin's natural structural proteins, though the precise biological pathway remains incompletely understood in published literature.

Clinical Evidence & References

Research into peptides as skincare ingredients shows that they can support skin conditioning and hydration when applied topically. However, specific clinical data on Sh-Polypeptide-1 in particular is limited in the publicly available literature.

General peptide research suggests benefits for skin texture and moisture retention, but more targeted studies would help clarify the efficacy and mechanism of this specific peptide at typical cosmetic concentrations.

How to Use

Sh-Polypeptide-1 is typically found in serums, creams, and targeted treatments at relatively low concentrations. Apply to clean skin as part of your regular routine. It works well in combination with hydrating or barrier-supporting ingredients and poses minimal compatibility concerns with other actives.

Safety & Precautions

Generally well-tolerated across skin types. As with all peptide products, patch testing is advisable for those with known sensitivities to amino acid derivatives.

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