Laminaria longissima extract

AKA “Longissima Kelp Extract, Long-leafed Kelp Extract”

Extract

Ingredient Facts

Laminaria longissima extract

AKA: Longissima Kelp Extract, Long-leafed Kelp Extract

Extract · Humectant · EWG: 4

Plant-Derived

Humectant

Marine

Extract

Not Clean

Laminaria Longissima Extract is the extract of the alga, Laminaria longissima

Family

Laminariaceae (Brown Algae)

Plant Part

Thallus

CAS #

-

Form

Liquid

See origin →

Functions

Humectant

A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.

Locks In Moisture

Traditional Use

Laminaria longissima is a brown kelp used in traditional Japanese and Korean skincare for centuries, valued for its mineral content and believed moisturizing properties. Seaweed-based skincare preparations were documented in East Asian beauty practices for treating dryness and improving skin texture.