Peptides

Tripeptide-72

INCI: TRIPEPTIDE-72

Reviewed by Daisy · Last updated 2 Jun 2026

A peptide that supports skin structure and conditioning

Best For Skin Types

All, Mature, Dry

Addresses

Fine lines, Firmness, Hydration

Usage Frequency

Daily

What Is Tripeptide-72?

Tripeptide-72 is a short-chain peptide—a fragment of amino acids—designed to function as a skin conditioning agent in cosmetic formulations. Peptides are widely used in skincare because they are small enough to interact with skin cells whilst being recognised by the skin as natural building blocks.

This ingredient works primarily as a conditioning agent, helping to maintain skin texture and support the skin's structural integrity. It is typically included in serums, moisturisers, and treatment products where peptide blends are used to address visible signs of aging.

How It Works

Tripeptide-72 functions as a humectant and conditioning agent, meaning it helps the skin retain moisture and supports the integrity of the outer layers. Peptides work by mimicking or supporting natural skin proteins, particularly collagen and elastin, which are responsible for skin firmness and elasticity.

As skin ages, the density and production of these structural proteins naturally decline. By providing a topical peptide, formulations aim to create an environment where the skin feels and appears more resilient and youthful.

Clinical Evidence & References

Research confirms that skin undergoes progressive structural changes with age, including thinning of both the epidermis and dermis, loss of collagen density, and impaired barrier function. These changes are well-documented in dermatological literature.

Whilst peptides as a category have demonstrated benefit in skincare, specific clinical evidence for Tripeptide-72 is limited in publicly available research. The ingredient appears in formulations designed to address visible aging, but individual efficacy studies are not readily available. It is best understood as one component of a broader peptide strategy rather than a standalone active.

How to Use

Tripeptide-72 is typically found in serums and moisturisers and works well as part of a layered routine. Apply to clean skin before heavier creams, or mix into your regular moisturiser. It pairs well with other conditioning and hydrating ingredients, and can be used both morning and evening. Consistency over time is more important than high concentration; most formulations balance this ingredient with complementary peptides and humectants.

Safety & Precautions

Peptides are generally well-tolerated and considered safe for use in skincare. No specific sensitising concerns are associated with Tripeptide-72. Those with known peptide sensitivities or extremely compromised barrier function should patch-test first.

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