Ingredient guide
Wakame Peptide
undaria pinnatifida peptide
In short
A marine peptide derived from wakame seaweed. It’s known for supporting skin elasticity and helping the barrier feel stronger over time. Common in advanced Korean and Japanese marine formulas.
Reviewed against published evidence · editorially independent · no brand pays to be featured
Works for
Firmness · Barrier
Best used
Evening
What it is
Bioactive peptide fraction from Undaria pinnatifida (wakame seaweed); INCI peptide form distinct from undaria extract or powder entries; enzymatic hydrolysis yields pentapeptides and hexapeptides with matrix-metalloproteinase-inhibiting and pro-collagen activity; well-validated in K-beauty and Japanese marine cosmetics; elasticity and barrier repair profile.
What the evidence says
LimitedPeptidesapplied to skin
Early, encouraging evidence in relation to smoother-looking skin. A genuinely active research area.
Studied as palmitoyl-KTTKS.
Much of the evidence is small, split-face and manufacturer-sponsored.
See 2 sources
Palmitoyl-KTTKS is dermally stable and skin-permeable; relates to the type-I collagen precursor sequence.
skin permeation, dermal stability · palmitoyl-KTTKS
Int J Cosmet Sci, 2014Split-face trials report wrinkle/roughness improvement; evidence base modest and mostly manufacturer-led.
wrinkles, roughness
Cosmetics, 2017
When to use it
Evenings suit it best.
Also found as
Related
Where to find it
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Search the Lens for wakame peptideCommon questions
What does Undaria pinnatifida peptide do for skin?
It supports a firmer, more elastic look and helps reinforce the skin’s barrier. Its peptide structure interacts with enzymes linked to collagen upkeep.
Which skin types can use Undaria pinnatifida peptide?
Most skin types can use it, especially those looking for a smoother, more resilient appearance. Its gentle marine origin tends to suit sensitive skin as well.
How is Undaria pinnatifida peptide used in routines?
It’s usually found in serums or creams focused on elasticity or barrier support. It layers easily with hydrating and antioxidant products.
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Personal guidance, not medical advice.