Chondrus Crispus

Chondrus Crispus 1
Chondrus Crispus 2
AKA: Irish Moss, Carrageenan Moss, Sea Moss
Plant-Derived Synthetic
Skin Conditioner
Clean
Irish Moss
CAS #
244023-79-8
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
Known as Irish moss, this red seaweed has been used for centuries in Celtic and Irish folk medicine as a nutritious food and natural thickener. Traditionally valued for skin hydration and used in traditional beauty preparations for its mucilage content.
EWG
1
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
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR