Laurdimonium Hydroxypropyl Hydrolyzed Soy Protein

Laurdimonium hydroxypropyl hydrolyzed soy protein is a cationic, quaternized derivative of hydrolyzed soy protein. It's used as a conditioning film former in skin and hair products to improve manageability, boost softness, and support moisture retention.
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Ingredient Snapshot

Overview
A soy-derived conditioner that softens skin and hair and boosts moisture.
Category
Skin Conditioning, Hydration
Type
Film Former

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Leaves skin and hair feeling smoother and more supple while helping them hold onto moisture. Improves slip for easier detangling and a silkier finish.

Uses In Skincare & Cosmetics

Frequently found in hair conditioners, leave-ins, and masks for added conditioning. Also used in lotions and hand creams to improve a soft-touch finish.

Comedogenic Rating

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

Safety

Considered safe at typical cosmetic levels; mild irritation is possible, especially around eyes or very sensitive skin. Those with known soy sensitivity should patch test, although reactions from hydrolyzed proteins are uncommon in cosmetics.

Is Laurdimonium Hydroxypropyl Hydrolyzed Soy Protein a Good Ingredient?

Rated Good as a cationic conditioning agent that binds well to skin and hair, improving slip and the feel of moisture, and performing well at low concentrations without heavy residue. It's a dependable conditioner rather than a skin-treatment active, which keeps it at Good.

Products with Laurdimonium Hydroxypropyl Hydrolyzed Soy Protein

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