Irish Moss

Irish Moss 1
photograph
Irish Moss 2
photograph
AKA: Carrageenan, Chondrus crispus, Sea moss
Plant-Derived Synthetic
Skin Conditioner
Not Clean
OriginNative to Canada. Derived from Chondrus crispus, a red seaweed species harvested primarily in Canada and Atlantic regions. Extracted through alkaline treatment and precipitation to isolate carrageenan polysaccharides from the seaweed thallus.
Irish Moss is a cosmetic ingredient.
Skin Types
●all-skin-types
Best For
Dryness
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.
Fights Bacteria
Hydrates skin
Provides antimicrobial protection
Softens and conditions skin
Calcium Carrageenan
European Commission
EU Cosmetic Ingredient Database (CosIng)
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carrageenan
European Commission
EU Cosmetic Ingredient Database (CosIng)
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Chondrus Crispus
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Chondrus Crispus Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
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Chondrus Crispus Powder
European Commission
EU Cosmetic Ingredient Database (CosIng)
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Hydrolyzed Carrageenan
European Commission
EU Cosmetic Ingredient Database (CosIng)
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Hydrolyzed Chondrus Crispus Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Potassium Carrageenan
European Commission
EU Cosmetic Ingredient Database (CosIng)
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Potassium Undecylenoyl Carrageenan
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sodium Carrageenan
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sodium/TEA-Undecylenoyl Carrageenan
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Calcium Carrageenan
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
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carrageenan
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
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Chondrus Crispus
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Chondrus Crispus Powder
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Chondrus Crispus Seaweed Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Sodium Carrageenan
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
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Biochemical Characteristics and Potential Biomedical Applications of Hydrolyzed Carrageenans.
Humayun S, Premarathna AD, Rjabovs V, Howlader MM, Darko CNS et al.
Marine drugs, 2023
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Kappaphycus alvarezii as a renewable source of kappa-carrageenan and other cosmetic ingredients.
Nurani W, Anwar Y, Batubara I, Arung ET, Fatriasari W
International journal of biological macromolecules, 2024
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Physicochemical characterization of sodium stearoyl lactylate (SSL), polyoxyethylene sorbitan monolaurate (Tween 20) and κ-carrageenan.
Ortiz-Tafoya MC, Tecante A
Data in brief, 2018
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Carrageenan: a natural seaweed polysaccharide and its applications.
Prajapati VD, Maheriya PM, Jani GK, Solanki HK
Carbohydrate polymers, 2014
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Carrageenan: a natural seaweed polysaccharide and its applications.
Prajapati VD, Maheriya PM, Jani GK, Solanki HK
Carbohydrate polymers, 2014
→
Carrageenan: a natural seaweed polysaccharide and its applications.
Prajapati VD, Maheriya PM, Jani GK, Solanki HK
Carbohydrate polymers, 2014
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Immunomodulation by xylan and carrageenan-type polysaccharides from red seaweeds: Anti-inflammatory, wound healing, cytoprotective, and anticoagulant
Premarathna AD, Ahmed TAE, Rjabovs V, Hammami R, Critchley AT et al.
International journal of biological macromolecules, 2024
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EWG
4
CIR
Safe
Pregnancy
Yes
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR