Hydrolyzed Furcellaran
AKA “Furcellaran Hydrolysate, Modified Seaweed Extract
Ingredient
Ingredient Facts
Hydrolyzed furcellaran
AKA: Furcellaran Hydrolysate, Modified Seaweed Extract
Ingredient · Skin Protecting · EWG: 4
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
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
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.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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 Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR