Macrocystis pyrifera (Kelp) extract

Macrocystis pyrifera (Kelp) extract 1
Macrocystis pyrifera (Kelp) extract 2
Macrocystis pyrifera (Kelp) extract 3
Macrocystis pyrifera (Kelp) extract 4
Macrocystis pyrifera (Kelp) extract 5
Macrocystis pyrifera (Kelp) extract 6
Macrocystis pyrifera (Kelp) extract 7
Macrocystis pyrifera (Kelp) extract 8
Macrocystis pyrifera (Kelp) extract 9
Macrocystis pyrifera (Kelp) extract 10
Macrocystis pyrifera (Kelp) extract 11
Macrocystis pyrifera (Kelp) extract 12
Macrocystis pyrifera (Kelp) extract 13
Macrocystis pyrifera (Kelp) extract 14
Macrocystis pyrifera (Kelp) extract 15
Macrocystis pyrifera (Kelp) extract 16
Macrocystis pyrifera (Kelp) extract 17
Macrocystis pyrifera (Kelp) extract 18
Macrocystis pyrifera (Kelp) extract 19
Macrocystis pyrifera (Kelp) extract 20
AKA: Giant Kelp, Kelp Extract
Plant-Derived
Skin Conditioner
Marine
Extract
Not Clean
Macrocystis Pyrifera (Kelp) Extract is a cosmetic ingredient. Assessed as safe by the CIR.
Plant Part
Whole Plant
CAS #
347174-92-9
Form
Liquid
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.
Controls Viscosity
Antioxidant Protection
Reduces Inflammation
Locks In Moisture
Traditional Use
Derived from traditional kelp preparations used in Asian skincare for centuries; modern extraction methods preserve the mineral, vitamin, and polysaccharide content valued for moisturizing and antioxidant properties.
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
Skin Types
●all-skin-types
Best For
Dullness
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