Snapshot
- Overview
- Milk-derived proteins that soften skin and ease dry tightness.
- Category
- Skin Conditioning, Hydration, Barrier Support
- Type
- Peptide
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.
Like this ingredient?
Our take
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.
What it does
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.
Where you'll find it
Uses in Skincare & Cosmetics
Often included in moisturizers, sheet masks, hair conditioners, and soothing creams for a cushioned feel.
Before you use it
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.
