Peptides

Tetrapeptide-56 Dimer

INCI: TETRAPEPTIDE-56 DIMER

Reviewed by Rosie · Last updated 2 Jun 2026

Also known as: Tetrapeptide-56 Dimer

A peptide fragment designed to support skin conditioning and resilience

Best For Skin Types

All

Addresses

Dryness, Hydration

Usage Frequency

Daily

What Is Tetrapeptide-56 Dimer?

Tetrapeptide-56 Dimer is a synthetic peptide—a short chain of amino acids—created for use in skincare formulations. As a skin conditioning agent, it functions to improve the texture, feel, and overall condition of the skin surface.

Peptides in skincare work by signalling to skin cells and supporting the skin's natural maintenance processes. This particular peptide is typically found in moisturisers and treatment serums where it contributes to the formulation's conditioning properties.

How It Works

Tetrapeptide-56 Dimer works as a skin conditioning agent, meaning it interacts with the outer layers of skin to improve how it feels and appears. Peptides communicate with skin cells through receptor binding, which can trigger or support various skin maintenance pathways.

The specific mechanism of this particular peptide involves signalling processes that may enhance skin's natural conditioning and barrier support, though the exact molecular targets are not extensively detailed in publicly available research.

Clinical Evidence & References

Published clinical research specifically evaluating Tetrapeptide-56 Dimer is limited. The ingredient appears in cosmetic formulations based on its skin conditioning properties, but independent efficacy studies are not readily available in scientific literature.

As with many synthetic peptides in skincare, the evidence base for this ingredient is largely proprietary rather than peer-reviewed, meaning claims about its benefits should be interpreted cautiously pending further independent research.

How to Use

Tetrapeptide-56 Dimer is typically used as part of a complete skincare routine in serums, moisturisers, or treatment products. Apply to clean skin and layer with other products as needed. Since it is a conditioning agent rather than an active treatment, it works well alongside other ingredients targeting specific concerns.

Safety & Precautions

Peptides are generally well-tolerated in skincare formulations. No significant safety concerns have been reported for Tetrapeptide-56 Dimer, though as with any ingredient, discontinue use if irritation occurs.

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