Lactis Proteinum (Milk Protein)

Lactis proteinum (milk protein) is a cosmetic ingredient composed of milk-derived proteins and peptides. It conditions and softens, supports moisture balance, and leaves a thin film for a smoother feel on skin or hair.
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Ingredient Snapshot

Overview
Milk-derived proteins that soften skin and ease dry tightness.
Category
Skin Conditioning, Hydration, Barrier Support
Type
Peptide

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Creates a soft-touch feel and eases dryness-related tightness; evidence for deeper effects is limited. Improves the sensation of comfort on skin and hair.

Uses In Skincare & Cosmetics

Often included in moisturizers, sheet masks, hair conditioners, and soothing creams for a cushioned feel.

Comedogenic Rating

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

Safety

Typically low irritation, but those with dairy allergies or sensitivities should patch test or avoid due to potential allergic reactions. Not known to increase photosensitivity.

Is Lactis Proteinum (Milk Protein) a Good Ingredient?

Rated Fair because it improves surface feel and comfort but has limited solid evidence for deeper barrier or anti-aging effects. Individuals with a milk protein allergy may also react, which keeps it from a Good rating.

Products with Lactis Proteinum (Milk Protein)

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