Thickener
Algin
A seaweed-derived polysaccharide used as a natural thickener and film-forming agent in cosmetic formulas.
thickenerfilm-formingmarine-derived
✓ Safe
Comedogenic Rating
0/5
Irritation Potential
0/5
What is it?
Algin is a polysaccharide derived from brown seaweed (also known as alginic acid in its precursor form), used as a natural thickener and film-former.
Used in gels, masks, and lotions to build texture and contribute a light moisture-binding film, often in marine-themed formulas.
Key Benefits
Natural thickening
Helps formulas achieve a smooth, gel-like consistency from a marine-derived source.
Light film-forming
Contributes a thin, smoothing surface layer.
Suitable for
Main Actions
When it may be insufficient
It primarily serves a texture role — for active hydration, pair with dedicated humectants.
Frequently Asked Questions
What does Algin do for skin?
Used in gels, masks, and lotions to build texture and contribute a light moisture-binding film, often in marine-themed formulas.
Who should use Algin?
Algin is suitable for: all skin types — a formulation aid.
Are there any warnings about Algin?
It primarily serves a texture role — for active hydration, pair with dedicated humectants.
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