Carrageenan Extract

CAR

8/10

Concern level

High concern

Carrageenan is a family of sulfated polysaccharides from red seaweed used in cosmetics primarily as a gelling, thickening, stabilizing, and film-forming ingredient. Cosmetic and safety references describe it as generally low-irritancy and used in formulations such as gels, emulsions, and toothpaste-like systems. ([pubchem.ncbi.nlm.nih.gov](https://pubchem.ncbi.nlm.nih.gov/compound/iota-Carrageenan))

Pore-clogging

Non-comedogenic

Pregnancy

Safe

Regulatory

No data

Benefits

MoisturizingSupports Barrier Function

Chemical Properties

pH Range

4.00 - 8.00

Typical Concentration

0.10% - 5.00%

CAS Number: 9000-07-1

Skin Type Compatibility

dry skin7/10

oily skin7/10

sensitive skin8/10

acne prone8/10

mature skin7/10

normal skin8/10

Interactions

incompatible with: high-ionic-strength systems may reduce gel performance, strong acid or harsh processing conditions that can degrade the polymer

Risks & Warnings

Overall low hazard in topical cosmetics, but degraded carrageenan (poligeenan) is a different material and has separate safety concerns; this distinction matters. As with most hydrocolloids, formulation quality and purity are important. ([pubchem.ncbi.nlm.nih.gov](https://pubchem.ncbi.nlm.nih.gov/compound/Poligeenan?utm_source=openai))

Vegan Cruelty-Free

Found In Products

Murad