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Tripeptide-1

What Tripeptide-1 is & what it does

A small signal peptide that supports collagen and a firmer, smoother-looking surface. It is often the active core of larger palmitoylated peptides.

What does Tripeptide-1 do in skincare?

Tripeptide-1 is a short chain of three amino acids used as a skin-conditioning agent. In skincare it is included in formulas that aim to support a smooth, well maintained skin surface, and peptides like this are often marketed in the context of firmness and signs of aging. Its specific effect depends on the formula and concentration.

Is Tripeptide-1 safe?

Tripeptide-1 is a small peptide and is generally used at low concentrations in cosmetics as a conditioning agent. Peptides are common in modern skincare and are typically well tolerated. If you have sensitive skin, a patch test is a sensible precaution before regular use.

Is Tripeptide-1 vegan?

Whether Tripeptide-1 is vegan depends on how it is made. Peptides can be produced by synthesis or fermentation without animal materials, but they may also be derived from animal sources, so this varies by manufacturer. If vegan status matters to you, check the brand's certification or sourcing information.

Sunscreens with Tripeptide-1

We rate 26 sunscreens that contain it, showing the top 10 by overall score:

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