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Ingredient guide
isopeptide-4
In short
Isopeptide-4 is a synthetic peptide that mimics natural cross‑linking bonds formed in the outer skin layers. It may help improve surface texture by supporting the skin’s structural envelope.
Reviewed against published evidence · editorially independent · no brand pays for placement
Works for
Texture · Firmness
Best used
Anytime
What it is
Synthetic peptide that mimics transglutaminase cross-linking bonds. May promote cornified envelope formation and improve skin surface texture.
Also found as
Related
Common questions
It aims to support the formation of a smoother, more uniform surface layer, improving overall texture.
Anyone looking to refine visible texture or support skin resilience may find it useful.
It is usually blended into serums or creams targeting smoother-looking skin.
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Personal guidance only · For clinical concerns, see a dermatologist.