Cystoseira caespitosa extract

AKA: Brown seaweed extract

Plant-Derived

Barrier Support

Extract

Not Clean

Cystoseira Caespitosa Extract is the extract of the alga, Cystoseira caespitosa, Sargassaceae.

Family

Sargassaceae

Plant Part

Whole Plant

Form

Liquid

Functions

Skin Protecting

Helps rebuild and strengthen your skin barrier — the invisible shield that keeps moisture in and irritants out. Essential after over-exfoliating or harsh weather.

Nourishes & Protects

Traditional Use

A brown seaweed species used in traditional Mediterranean and Atlantic coastal skincare preparations. Employed historically for its nutrient density and potential marine-derived moisturizing benefits.

EWG

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

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

Antioxidant Protection

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