undefined 1
undefined 2
undefined 3
undefined 4
undefined 5
undefined 6
Ascophyllum nodosum (Kelp) powder
AKA “kelp powder”
Ingredient
Ingredient Facts
Ascophyllum nodosum (Kelp) powder
AKA: Kelp powder
Ingredient · Skin Conditioning · EWG: 4
Plant-Derived Synthetic
Skin Conditioner
Marine
Not Clean
Ascophyllum nodosum (kelp) powder is a cosmetic ingredient used as skin conditioning.
CAS #
84775-78-0
Form
Powder
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Conditions Skin
Antioxidant Protection
Reduces Inflammation
Locks In Moisture
Softens & Smooths
Traditional Use
Used in traditional Celtic and Scandinavian skincare for centuries due to its mineral-rich composition. Valued in folk medicine for skin nourishment and as a natural exfoliant.
Skin Types
●all-skin-types
Best For
Dehydration
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
all-shades-safe
Moderate Irritant
Regulatory Status
USAunder review
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Alaria esculenta (sea kelp) extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Ascophyllum nodosum (kelp) powder
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Ascophyllum nodosum [Kelp] Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Macrocystis Pyrifera (Kelp)
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Macrocystis Pyrifera (Kelp) Blade/Pneumatocyst/Stipe Juice Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Macrocystis Pyrifera (Kelp) Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Macrocystis Pyrifera (Kelp) Juice
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Macrocystis Pyrifera (Kelp) Protein
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Macrocystis Pyrifera (Kelp)
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Macrocystis Pyrifera (Kelp) Protein
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Physicochemical characterization and cosmetic application of kelp blanching water polysaccharides.
Liu P, Hu J, Wang Q, Tan J, Wei J et al.
International journal of biological macromolecules, 2023
→
Verified Jun 2026
Data: CosIng · EWG · CIR