Porphyridium cruentum extract

AKA: Alga
Plant-Derived
Skin Conditioner
Marine
Extract
Not Clean
Porphyridium Cruentum Extract is an extract of the Alga, Porphyridium cruentum, Porphyridaceae
Family
Porphyridiaceae
Plant Part
Whole Plant
CAS #
223751-77-7
Form
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.
Locks in moisture
Traditional Use
A red microalga developed for cosmetic use in modern skincare research. Known for polysaccharide production and investigated for moisturizing and skin-conditioning properties.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
Hydration
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR