Cystoseira tamariscifolia extract

Cystoseira tamariscifolia extract 1
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AKA: Rainbow Wrack, Alga
Plant-Derived
Skin Conditioner
Extract
Not Clean
OriginNative to Mediterranean, Atlantic. Cystoseira tamariscifolia is a brown alga native to the Mediterranean and Atlantic coasts. The extract is obtained through solvent extraction of the whole plant material.
Cystoseira Tamariscifolia Extract is an extract of the Alga, Cystoseira tamariscifolia, Cystoseiraceae
Family
Cystoseiraceae
Plant Part
Whole Plant
Form
Liquid
Skin Types
●all-skin-types
Best For
Antioxidant Protection
Pregnancy & Breastfeeding Safe
Yes
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.
Locks in moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
3
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 771)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2026
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR