Acetyl

An acetyl group cap on a peptide, often for stability or activity.

What is Acetyl?

An acetyl group cap on a peptide, often for stability or activity. Shows up in Acetyl Hexapeptide-8 (Argireline) and many eye-area peptides.

Where you will see Acetyl

On product labels, look for the INCI name in the full ingredient list—not just front-of-pack nicknames. Concentration, formula pH, and what else is in the bottle all change how a peptide behaves on skin or hair.

Common questions

What does Acetyl mean?

An acetyl group cap on a peptide, often for stability or activity. Shows up in Acetyl Hexapeptide-8 (Argireline) and many eye-area peptides.

Is Acetyl an INCI ingredient name?

Sometimes. Brands use nicknames on the front label and INCI names on the back. Search our directory with either form to find the matching peptide page.

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