Peptides

Sh-Hexapeptide-2

INCI: SH-HEXAPEPTIDE-2

Reviewed by Rosie · Last updated 2 Jun 2026

A peptide that supports skin's natural conditioning and structural integrity

Best For Skin Types

All, Mature, Dry

Addresses

Fine lines, Loss of firmness, Hydration

Usage Frequency

Daily

What Is Sh-Hexapeptide-2?

Sh-Hexapeptide-2 is a short-chain peptide — a fragment of amino acids — designed to function as a skin conditioning agent. Peptides are recognised by the skin as building blocks similar to those found naturally in proteins like collagen, which decline as we age.

This ingredient works to support the skin's structural proteins and help maintain its conditioning properties. It is typically included in formulations at modest concentrations as part of a broader anti-aging or skin-support strategy.

How It Works

As skin ages, the epidermis and dermis gradually thin, and the production of structural proteins like collagen declines. Sh-Hexapeptide-2 is thought to work by signalling the skin to support or maintain its own protein synthesis, or by helping to condition and protect existing structural proteins.

Because it is a peptide — a small protein fragment — it can penetrate the outer layers of skin and interact with the skin's natural repair and maintenance mechanisms. This may help improve skin texture, hydration retention, and the appearance of fine lines over time.

Clinical Evidence & References

Research into skin ageing confirms that loss of epidermal and dermal thickness, combined with reduced collagen production, drives visible signs of ageing including wrinkles and loss of firmness. Peptides as a class have become the focus of cosmetic research precisely because they can signal skin cells to support these structural proteins.

However, specific clinical evidence for Sh-Hexapeptide-2 is limited in published literature. General peptide research supports their role in skin conditioning and structural support, but individual peptides vary in efficacy. More robust clinical data would strengthen confidence in this ingredient's specific benefits.

How to Use

Sh-Hexapeptide-2 is most effective when used as part of a consistent routine. Apply serums or treatments containing this peptide to clean skin, morning and evening, and layer with a moisturiser to enhance hydration retention. It pairs well with other anti-ageing ingredients such as retinoids or vitamin C, though introduce layered actives gradually to avoid irritation.

Safety & Precautions

Peptides are generally well-tolerated and rarely sensitising. As with any new skincare ingredient, patch test first if you have sensitive or reactive skin.

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