Kombu brown seaweed extract – a source of alginates, fucoidan and mannitol. Hydrating and antioxidant action. Pregnancy-safe.
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Humectant and antioxidant based on alginates and fucoidan.
Laminaria japonica extract is a water or glycol extract of kombu brown seaweed. INCI: Laminaria Japonica Extract. Contains alginates, fucoidan, mannitol and minerals. In cosmetics it works as a humectant and antioxidant. Alginates form a hydrating film and fucoidan has anti-inflammatory properties in vitro. Use levels run from 0.5 to 5%. Pregnancy safety. Skin absorption into the systemic circulation is minimal at cosmetic concentrations. Skin profile. Low irritation and allergen potential. Non-comedogenic. Suitable for all skin types. Moderate evidence.
Irritation potential
LowAllergen risk
LowPregnancy
SafeSuitable for
The Evigrade extension adds an evidence panel to Wildberries, Goldapple, Letu, iHerb, Sephora and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Laminaria Japonica Extract is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Laminaria Japonica Extract suits: normal, dry, combination, oily, sensitive.
Kombu brown seaweed extract – a source of alginates, fucoidan and mannitol.
On the Fulton scale 0/5 – non-comedogenic. For acne-prone skin, a rating of 3 or higher suggests choosing an alternative.
The INCI name is Laminaria Japonica Extract. It may also appear as: Kombu Extract, экстракт ламинарии японской.
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