Hydrolyzed Furcellaran
molecular structure · PubChem
AKA: Furcellaran Hydrolysate, Modified Seaweed Extract
Synthetic
Barrier Support
Not Clean
Hydrolyzed Furcellaran is the hydrolysate of furcellaran (CAS No 9000-21-9; EC No 232-531-0) derived by acid, enzyme or other method of hydrolysis
CAS #
73297-69-5
Form
Powder
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
Furcellaran is a carbohydrate extracted from red algae, traditionally harvested and used in Nordic countries as a natural thickener and stabilizer. Modern hydrolyzed forms were developed in the mid-20th century to create a more refined cosmetic ingredient with improved skin-conditioning properties.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
Dermal absorption: 2%. Source: CIR Safety Assessment (CIR Seq 680).
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR