Alginic Acid

Alginic acid is a natural polysaccharide derived from brown seaweed. It functions primarily as a thickener, gelling agent, and film-former in cosmetic formulations. It can also help to stabilize emulsions and improve product texture.

BenefitMinimal 0.8 / 4

Hydration i0.5 / 4

Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.

Soothing i0.3 / 4

Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.

RiskVery low 0 / 4

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

• improves product texture
• stabilizes emulsions
• forms a protective film