Irish Moss
AKA “Carrageenan, Chondrus crispus, Sea moss”
Ingredient
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Ingredient Facts
Irish moss
AKA: Carrageenan, Chondrus crispus, Sea moss
Ingredient · Skin Conditioning · EWG: 4
Plant-Derived Synthetic
Skin Conditioner
Marine
Not Clean
Irish Moss is a cosmetic ingredient.
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.
Fights Bacteria
Hydrates skin
Provides antimicrobial protection
Softens and conditions skin
Traditional Use
A red algae used in Irish and Scottish folk medicine as a nutritional supplement and skin remedy. Historically valued for its mucilaginous properties in traditional skincare and general wellness practices.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Calcium Carrageenan
European Commission
EU Cosmetic Ingredient Database (CosIng)
carrageenan
European Commission
EU Cosmetic Ingredient Database (CosIng)
Chondrus Crispus
European Commission
EU Cosmetic Ingredient Database (CosIng)
Chondrus Crispus Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Chondrus Crispus Powder
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrolyzed Carrageenan
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrolyzed Chondrus Crispus Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Potassium Carrageenan
European Commission
EU Cosmetic Ingredient Database (CosIng)
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
carrageenan
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
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
Biochemical Characteristics and Potential Biomedical Applications of Hydrolyzed Carrageenans.
Humayun S, Premarathna AD, Rjabovs V, Howlader MM, Darko CNS et al.
Marine drugs, 2023
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
Physicochemical characterization of sodium stearoyl lactylate (SSL), polyoxyethylene sorbitan monolaurate (Tween 20) and κ-carrageenan.
Ortiz-Tafoya MC, Tecante A
Data in brief, 2018
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
Carrageenan: a natural seaweed polysaccharide and its applications.
Prajapati VD, Maheriya PM, Jani GK, Solanki HK
Carbohydrate polymers, 2014
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
Verified Jun 2026
Data: CosIng · EWG · CIR