Macrocystis pyrifera (Kelp) juice

Macrocystis pyrifera (Kelp) juice 1
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AKA: Giant Kelp, Kelp Juice
Synthetic
Skin Conditioner
Marine
Not Clean
Macrocystis Pyrifera (Kelp) Juice is a cosmetic ingredient used as skin conditioning. Assessed as safe by the CIR.
CAS #
347174-92-9
Form
Liquid
State
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.
Conditions Skin
Antioxidant Protection
Reduces Inflammation
Locks In Moisture
Softens & Smooths
Traditional Use
A contemporary cosmetic ingredient extracted from fresh kelp, based on traditional Asian practices of applying seaweed preparations topically for skin nourishment and mineral replenishment.
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-reviewednone on file
⚖️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