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Acetyl Tetrapeptide-40

What Acetyl Tetrapeptide-40 is & what it does

Acetyl Tetrapeptide-40 is a synthetic peptide made of four amino acids with an acetyl group added for stability. Peptides like this are commonly used as skin-conditioning and soothing ingredients, and this one is often associated with helping calm the look of redness. It works as a supporting active in serums and creams. No concerns are listed for it in this data.

What is Acetyl Tetrapeptide-40?

It is a synthetic peptide built from four amino acids with an acetyl group added for stability. It is used as a skin-conditioning active.

What does Acetyl Tetrapeptide-40 do in skincare?

It is commonly used as a soothing peptide and is often associated with helping calm the look of redness. It works as a supporting active in serums and creams.

Is Acetyl Tetrapeptide-40 safe?

It is generally considered well tolerated, with no concerns flagged in this catalog. Cosmetic peptides are typically used at low levels.

Sunscreens with Acetyl Tetrapeptide-40

We rate 4 sunscreens that contain it:

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