Hydrolyzed Algin

Hydrolyzed algin is a low-molecular-weight fraction of algin from brown seaweed, made water-soluble through hydrolysis. It creates flexible films, refines texture, aids viscosity control, and adds a moist feel to hydrating gels and serums.
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Ingredient Snapshot

Overview
A seaweed derivative that gives skin a silky, dewy feel.
Category
Skin Conditioning, Hydration
Type
Film Former

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Boosts surface hydration for a dewy, refreshed complexion. Leaves skin feeling silky with a soft, breathable veil.

Uses In Skincare & Cosmetics

Added to hydrating gels, serums, and sheet masks to deliver a lightweight moisturizing layer. Also used in lotions to improve slip and a fresh, water-like finish.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Usually well tolerated with low irritation potential. Being seaweed-derived, it is unlikely to cause issues for most users, but very sensitive skin may benefit from a patch test.

Is Hydrolyzed Algin a Good Ingredient?

Rated Good for its breathable, film-forming properties that boost hydration and improve slip and feel, with a generally low irritation profile. Clinical evidence for distinct long-term skin benefits is limited, though, so it's best viewed as a supportive hydrator rather than a targeted active, which is why it doesn't rank higher.

Products with Hydrolyzed Algin

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