Hypnea musciformis extract
AKA “Red Alga
Extract
Ingredient Facts
Hypnea musciformis extract
AKA: Red Alga
Extract · Skin Protecting · EWG: 4
Plant-Derived
Barrier Support
Extract
Not Clean
Hypnea Musciformis Extract is an extract of the Red Alga, Hypnea musciformis, Hypneaceae
Family
Cystocloniaceae
Plant Part
Thallus
CAS #
223751-71-1
Form
Liquid
See origin →
Functions
Skin Protecting
Helps rebuild and strengthen your skin barrier — the invisible shield that keeps moisture in and irritants out. Essential after over-exfoliating or harsh weather.
Nourishes & Protects
Traditional Use
A red seaweed traditionally used in Asian coastal cuisines and traditional medicine for its nutrient density and mucilaginous properties. Used historically in Japanese and Korean skincare for hydration and mineral supplementation.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
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
Valorization of the Red Algae Gelidium sesquipedale by Extracting a Broad Spectrum of Minor Compounds Using Green Approaches.
Castejón N, Parailloux M, Izdebska A, Lobinski R, Fernandes SCM
Marine drugs, 2021
Final Report: Safety Assessment of Red Algae-Derived Ingredients as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Hypnea Musciformis Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Porphyra umbilicalis (red algae) extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Porphyra umbilicalis (red algae) extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Optimized and standardized isolation and structural characterization of anti-inflammatory sulfated polysaccharides from the red alga Delesseria sangui
Grünewald N, Alban S
Biomacromolecules, 2009
Verified Jun 2026
Data: CosIng · EWG · CIR