What it is
Acetyl Octapeptide-3 is a peptide made with acetic acid and Octapeptide-3.

What it does
Acetyl Octapeptide-3 has water-binding properties that help to hydrate and smooth skin.
Although this peptide is also said to reduce wrinkles, there is, as yet, no independent study to support this claim.

Side effects
Acetyl Octapeptide-3 is generally considered to be safe.

(Source: european commission)