Acetyl Tetrapeptide-2

What Acetyl Tetrapeptide-2 is & what it does

Acetyl Tetrapeptide-2 is a synthetic peptide made of four amino acids with an acetyl group attached for stability and skin compatibility. In skincare formulas it is used as a conditioning and signaling-type peptide, often included in anti-aging or firming products. Like most cosmetic peptides, it is added at low concentrations to support the look of smoother, more resilient skin.

What does Acetyl Tetrapeptide-2 do in skincare?

Acetyl Tetrapeptide-2 is a conditioning, signaling-type peptide used in anti-aging and firming products. It is added at low concentrations to support the look of smoother, more resilient skin. As a peptide, it works as part of a broader formula rather than on its own.

Is Acetyl Tetrapeptide-2 natural or synthetic?

Acetyl Tetrapeptide-2 is synthetic. It is a lab-made peptide built from four amino acids with an acetyl group attached for stability. This controlled synthesis ensures consistency and purity.

Is Acetyl Tetrapeptide-2 safe?

Acetyl Tetrapeptide-2 is used in skincare at low concentrations and is generally considered well tolerated. Cosmetic peptides like this are typically chosen for their mild profile. If you have specific concerns, a qualified professional can offer guidance.

Sunscreens with Acetyl Tetrapeptide-2

We rate 12 sunscreens that contain it, showing the top 10 by overall score:

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