Porphyridium cruentum extract

Porphyridium cruentum extract 1
photograph
AKA: Alga
Plant-Derived
Skin Conditioner
Extract
Not Clean
OriginPorphyridium cruentum is a unicellular red marine microalga belonging to the Porphyridiaceae family, cultivated in controlled aquatic environments. The extract is obtained through water or solvent extraction and concentration of the whole algal biomass.
Porphyridium Cruentum Extract is an extract of the Alga, Porphyridium cruentum, Porphyridaceae
Family
Porphyridiaceae
Plant Part
Whole Plant
CAS #
223751-77-7
Form
Liquid
Skin Types
●all-skin-types
Best For
Hydration
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-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 817)
Concentration Guide
Leave-on0.00055–0.03%
Rinse-off0.00055–0.017%
0%50%100%
CIR reported use · 2020 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR