undefined 1
undefined 2
undefined 3
undefined 4
undefined 5
Cystoseira compressa extract
AKA “Brown seaweed extract, Cystoseira compressa extract”
Extract
Ingredient Facts
Cystoseira compressa extract
AKA: Brown seaweed extract
Extract · Skin Conditioning · EWG: 4
Plant-Derived
Skin Conditioner
Marine
Extract
Not Clean
Cystoseira Compressa Extract is the extract of the alga, Cystoseira compressa, Fucaceae.
Family
Fucaceae
Plant Part
Whole Plant
Form
Liquid
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.
Cystoseira Compressa
Anti-Aging
Antioxidant
Anti-Inflammatory
Traditional Use
A brown seaweed used in historical Mediterranean beauty preparations for its mineral-rich composition. Traditionally applied to skin for conditioning and purification purposes in coastal folk cosmetic traditions.
Skin Types
●all-skin-types
Best For
Antioxidant Protection
Pregnancy & Breastfeeding Safe
Yes
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
Verified Jun 2026
Data: CosIng · EWG · CIR