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Acetyl Hexapeptide-51 Amide

What Acetyl Hexapeptide-51 Amide is & what it does

Acetyl Hexapeptide-51 Amide is a synthetic peptide, a short chain of amino acids that has been acetylated and amidated to improve its stability. In skincare and sunscreen formulas it is used as a conditioning and signaling active, marketed for supporting the look of smoother, more even skin. As a lab-made peptide it is colorless and used at very low concentrations.

What does Acetyl Hexapeptide-51 Amide do in skincare?

Acetyl Hexapeptide-51 Amide is a synthetic peptide used as a conditioning and signaling active in skincare. It is marketed for supporting the look of smoother, firmer, and more even skin. Peptides like this are typically used at very low concentrations.

Is Acetyl Hexapeptide-51 Amide safe?

Acetyl Hexapeptide-51 Amide is generally considered safe for use in cosmetics at the low levels used in formulas. Synthetic peptides are usually well tolerated, though sensitive individuals can react to any ingredient. If you have concerns, a patch test or a chat with a professional is sensible.

Is Acetyl Hexapeptide-51 Amide vegan?

Acetyl Hexapeptide-51 Amide is a lab-synthesized peptide and does not require an animal source, so it is generally compatible with vegan formulations. Whether a finished product is vegan depends on all of its ingredients and the brand's sourcing. Check the brand's labeling if vegan status is important to you.

Sunscreens with Acetyl Hexapeptide-51 Amide

We rate 6 sunscreens that contain it:

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