Argireline (Acetyl Hexapeptide-8): what it is in skincare

A peptide that helps soften the look of expression lines for a smoother-appearing surface.

What it does

Function: peptide (expression-line). Peptides are signal ingredients formulated to support a firmer, bouncier-looking complexion — a fast-growing K-beauty category.

How to spot it on a label

On a Korean product's INCI list, look for Argireline (Acetyl Hexapeptide-8). Ingredients are listed high-to-low by amount, so its position hints at how much is in the formula. See all peptides →

✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed: 2026-08-08.

General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.