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Pentapeptide-3

What Pentapeptide-3 is & what it does

Pentapeptide-3 is a synthetic peptide composed of five amino acids, used in skincare as a conditioning and signaling-type active. Peptides like this are included in serums and creams for their reputation in supporting the look of smoother, firmer skin. In a sunscreen or moisturizer it functions as a specialty conditioning ingredient rather than a UV filter.

What does Pentapeptide-3 do in skincare?

Pentapeptide-3 is a synthetic five-amino-acid peptide used as a conditioning, signaling-type active in serums and creams. Peptides like this are included for their reputation in supporting the look of smoother, firmer skin. It is a specialty ingredient, not a UV filter.

Is Pentapeptide-3 safe?

Pentapeptide-3 is generally considered well tolerated and is used at low concentrations in skincare. Peptides are usually mild and not commonly linked to irritation. As always, individual skin can react differently, so patch testing a new product is sensible.

Is Pentapeptide-3 vegan?

Pentapeptide-3 is a synthetic peptide assembled from individual amino acids, so it does not inherently require animal-derived material. Whether a finished product is vegan depends on the full ingredient list and the brand's sourcing and testing policies. Checking the brand's vegan certification is the most reliable way to confirm.

Sunscreens with Pentapeptide-3

We rate 8 sunscreens that contain it:

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