Hydrolyzed Soy Flour

This hydrolyzed soy flour, containing short peptides and amino acids, is produced for cosmetic use. It conditions skin and boosts the perception of hydration, contributing to a softer texture and smoother spread in creams, serums, and eye treatments.
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Ingredient Snapshot

Overview
Soy-derived peptides that make skin feel softer and more hydrated.
Category
Skin Conditioning, Hydration
Type
Peptide

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Supports a velvety, more supple feel and helps the skin appear smoother and more comfortable. Provides lightweight moisture sensations without heaviness.

Uses In Skincare & Cosmetics

Often included in moisturizers, serums, and eye gels to improve glide and add a soft-touch finish.

Comedogenic Rating

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

Safety

Typically well tolerated, but individuals with soy allergy or very sensitive skin may experience irritation or sensitization; patch testing is prudent. No well-established regulatory restrictions for topical use.

Is Hydrolyzed Soy Flour a Good Ingredient?

Rated Good because it provides short peptides and amino acids that improve conditioning and the feel of hydration, with generally low irritation in leave-on formulas. The evidence supports sensory and moisture benefits rather than strong clinical outcomes, which is why it stays at Good instead of Great.