Made from high-quality, food grade bovine-derived milk; excellent anti-irritant and protective properties. Hydrolyzed Milk Protein is a hydrolysate of milk protein derived by acid, enzyme, or another method of hydrolysis that moisturizes, nourishes, and improves the manageability of the hair while adding gloss and texture. It is an colorless to amber colored liquid. Optimum pH Range: 4.0 – 7.0, Water soluble.