["Marine ingredients","Humectants","Film formers"]
Algin
Hydrating, soothing, protective
Key Benefits
- Helps retain surface moisture
- Forms a soft protective film
- Supports a smoother skin feel
- Improves formula texture and spread
How It Works
Ingredient Details
INCI Name: Algin
Ingredient Type: ["Marine polysaccharide","Film former","Humectant","Texture enhancer"]
Best For
Dry skin · Dehydrated skin · Sensitive skin · All skin types
What It Is
What It Does
Algin FAQs
Common questions about this ingredient in skincare.
What is algin?
Algin is a natural polysaccharide obtained from brown seaweed and used in cosmetics to bind water, form gels, and create a smooth film.
Is algin the same as alginate?
They are closely related terms. Alginate commonly refers to salts of alginic acid, while ingredient naming depends on the specific material used.
What does algin do for skin?
It helps a formula hold water and can leave skin feeling smoother, softer, and less dry.
Is algin an exfoliant?
No. It is primarily a film-forming, water-binding, and texture-building ingredient rather than an acid exfoliant.
Is algin suitable for sensitive skin?
It is generally used as a gentle functional ingredient, but reactions can occur to any complete formula. Patch-test if you are highly sensitive.
Is algin vegan?
It is derived from algae and is typically compatible with vegan formulations, though certification depends on the sourcing and processing of the finished product.
Shop the ingredient
Products Featuring Algin
