Algae Extract
AKA “Seaweed extract, Algal extract, Marine algae”
Extract
Ingredient Facts
Algae extract
AKA: Seaweed extract, Algal extract, Marine algae
Extract · Emollient · EWG: 4
Plant-Derived
Humectant
Emollient
Skin Conditioner
Marine
Extract
Not Clean
Algae Extract is an extract of various species of Algae; Extract of the Seaweed, Fucus vesiculosus, Furaceae
Plant Part
Whole Plant
CAS #
92128-82-0, 68917-51-1
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.
Oral Care
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
Algae and seaweed extracts have been used in traditional Asian skincare, particularly in Japanese and Chinese beauty practices, for their mineral content and skin-conditioning properties.
Skin Types
●all-skin-types
Best For
Moisturizer
Pregnancy & Breastfeeding Safe
Yes
UV Photoprotection, Cytotoxicity and Immunology Capacity of Red Algae Extracts.
Álvarez-Gómez F, Korbee N, Casas-Arrojo V, Abdala-Díaz RT, Figueroa FL
Molecules (Basel, Switzerland), 2019
Anti-herpetic Activity of Macrocystis pyrifera and Durvillaea antarctica Algae Extracts Against HSV-1 and HSV-2.
Castillo E, Duarte LF, Corrales N, Álvarez DM, Farías MA et al.
Frontiers in microbiology, 2020
Algae Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Chlorella Vulgaris Dermochlorella Algae Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Chondrus Crispus Seaweed Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: CosIng · EWG · CIR