Characteristics
- INCI
- Algin
- Ru.
- Sodium Alginate
- CAS
-
9005-38-3, 57606-04-9
This is the substance number in the Chemical Abstracts Service registry. The CAS number uniquely identifies a substance regardless of language, trade name, or synonyms.
- IUPAC
- Alginic Acid, Sodium Salt
- Functions
- binding, masking, viscosity controlling
- Irritancy
-
4 / 5
Irritation potential: 0–5, where 5 is the highest irritation rating for the ingredient.
More detail → - Comedogen.
-
4 / 5
Comedogenicity index: 0–5. A non-comedogenic ingredient (0–1) is unlikely to cause cosmetic acne.
More detail →
Для кого подходит
Description
Algin is a naturally derived polysaccharide, or large sugar molecule, obtained from brown seaweed. In cosmetics, it’s valued mainly for its texture-building abilities: it helps thicken formulas, stabilize emulsions, and create the smooth, pliable gels used in peel-off and “rubber” masks. When paired with calcium salts, algin can form a firm gel network, which is why it’s so common in professional-style masking products.
For skin, algin doesn’t act like a classic active ingredient, but it can make products feel more cushiony, cooling, and evenly spreadable. In masks, that can help ingredients stay in close contact with the skin and make the experience feel more occlusive and spa-like. In hair products, algin may improve slip, body, and texture, especially in conditioners, styling products, and scalp treatments.
Who benefits? People who like masks with a satisfying set-and-peel texture, or formulas that feel silky and well-structured, often enjoy algin-based products. It’s generally useful across many skin types, though very dry or sensitive skin may prefer gentler formulas if the mask is heavily fragranced or includes other potentially irritating ingredients. As with any cosmetic ingredient, the overall formula matters more than algin alone.
Found in products (1 842 total)
Наиболее часто встречается в продукции Kristin Ess (36 продуктов)
