Milk Protein
Milk protein refers to proteins derived from milk, such as casein and whey. In cosmetic formulations, these proteins are valued for their conditioning, moisturizing, and film-forming properties. They can help improve skin hydration and hair strength and shine.
NoneSkin/hair conditionerNot veganEvidence: Medium
BenefitModerate 2 / 4
Hydration i2 / 4
Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.
Texture i1.5 / 4
Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.
Soothing i1 / 4
Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
- skin conditioning
- hair conditioning
- moisturizing
- film-forming
Things to watch
- potential allergen for those with dairy allergies
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Frequently asked questions
- What are the benefits of milk protein in skincare?
- Milk protein can help to hydrate the skin, improve its elasticity, and provide a smooth, soft feel due to its conditioning and film-forming properties.
- Is milk protein good for hair?
- Yes, milk protein can strengthen hair, reduce breakage, and add shine by forming a protective film and providing conditioning benefits.
