undefined 1
Himanthalia elongata powder
AKA “sea weed extract, alga powder”
Ingredient
Ingredient Facts
Himanthalia elongata powder
AKA: Sea weed extract, Alga powder
Ingredient · Binding · EWG: 4
Synthetic
Marine
Not Clean
Himanthalia Elongata Powder is the powder obtained from the dried, ground Alga, Himanthalia elongata, Himanthaliaceae
CAS #
223751-70-0
Form
Powder
State
Solid
See origin →
Functions
Absorbent
Binding
Viscosity Controlling
Absorbs Excess Oil
Holds Formula Together
Controls Viscosity
Antioxidant Protection
Fights Bacteria
Locks In Moisture
Holds ingredients together
Controls product thickness
Traditional Use
Derived from a brown seaweed with historical use in Atlantic coastal regions for nutritional and medicinal purposes. Used in modern formulations for its mineral and polysaccharide content.
Skin Types
●all-skin-types
Best For
Dullness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR