Glycine Soja (Soybean) Protein

Glycine soja (soybean) protein is a plant-derived protein or hydrolysate obtained from soybeans and used as a film-forming polymer. It's used to give a temporary tightening feel, improve product texture, and support a smoother-looking finish.
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Ingredient Snapshot

Overview
A soy protein that gives skin a temporary, smoother, firmer look.
Category
Skin Conditioning, Tone/Texture
Type
Film Former

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Creates a breathable veil that can momentarily make skin look firmer and more refined. Evidence for long-term effects is limited, and results are primarily cosmetic.

Uses In Skincare & Cosmetics

Featured in serums, primers, and sheet masks to provide a quick pick-me-up finish. Also used in lotions to improve slip and form a light film on skin.

Comedogenic Rating

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

Safety

Usually well tolerated, but as a protein it can pose a mild allergy or irritation risk, particularly in those sensitive to soy. Patch testing is advisable. No widely cited topical regulatory constraints.

Is Glycine Soja (Soybean) Protein a Good Ingredient?

It's Fair because the tightening effect is a temporary film with mostly short-term cosmetic impact, and as a protein it can occasionally trigger sensitivity in some users, which keeps it from a better rating.

Products with Glycine Soja (Soybean) Protein

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