Milk Protein
Ingredient Info
Milk protein is a blend of proteins naturally found in cow's milk, used in skincare products for its moisturizing and skin-conditioning properties. It may help soften and hydrate the skin.
Benefits
- Hydrating and moisturizing properties
- May help soften and condition skin
- Gentle, naturally-derived ingredient
Potential concerns
- Risk of allergic reaction for people with cow's milk protein allergy (affects 0.5-3% of population)
- May trigger immune response in sensitive individuals; patch test recommended before use
- Can cause skin irritation, hives, or contact dermatitis in those with milk protein sensitivity
Science: Scientific literature focuses primarily on milk protein allergy when ingested orally rather than topical skincare use. Cow's milk protein allergy is one of the most common food protein allergies in infants and children; however, topical application has different exposure pathways than oral consumption. Limited peer-reviewed data exists specifically evaluating milk protein in cosmetic skincare formulations.
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