Lactis Serum Proteinum
INCI: LACTIS SERUM PROTEINUM
Reviewed by Emma · Last updated 18 Aug 2026
What Is Lactis Serum Proteinum?
Lactis Serum Proteinum is a polypeptide obtained from the fluid part of milk after separation from curds.
Its declared cosmetic functions are hair conditioning and skin conditioning.
Source: European Commission CosIng inventory.
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Broccoli … Extract
Plant-derived extract with antioxidant and conditioning properties for skin protection
(Eclipta Prostrata/Houttuynia Cordata) Leaf Extract
A botanical blend traditionally used to support skin conditioning and resilience
1-Methylhydantoin-2-Imide
A skin-conditioning agent that helps maintain skin hydration and texture
10-Hydroxystearic Acid
A naturally-derived fatty acid that supports skin structure and resilience
2-Mercaptonicotinoyl Glycine
A targeted approach to managing excess melanin production and uneven skin tone
2-O-Ethyl Ascorbic Acid
A stable vitamin C derivative that supports skin brightness and texture refinement
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