Irish Moss
Also known as: Chondrus Crispus, Carrageen Moss, Sea Moss
What is Irish Moss?
The common name for Chondrus crispus, a red seaweed traditionally harvested from the Atlantic coast of Ireland and Europe.
Why is it used in products?
It's a natural emollient and thickener beloved in clean beauty for its gel-forming ability and marine nutrient content.
Why does it clog pores?
Irish moss is essentially carrageenan in its whole form — it produces sulfated polysaccharides that create a thick pore-blocking gel on skin. Its iodide content is high enough to irritate follicles and trigger inflammatory acne. Don't be fooled by its natural reputation; it's a known comedogenic ingredient.
Commonly found in
- moisturizers
- masks
- hair gels
- body lotions