The Underground Railroad was neither underground nor a railroad. It got its name because its activities had to be carried out in secret, using darkness or disguise, and because railway terms were used by those involved with system to describe how it worked.
Hydrolyzed collagen is collagen that is derived from bovine bone and cartilage. Usually, the bone is crushed, ground, defatted, soaked in acid to remove the calcium, soaked again to break the collagen bonds and then dehydrated.
Silk Protein, Hydrolyzed is useful in elegant hair and skin preparations for its excellent moisture binding properties, repair, and feel. In addition, this non-animal protein source is substantive to skin and hair and provides a protective barrier. Silk Protein, Hydrolyzed will add luster, body, and manageability to hair when used in hair care preparations. As an amphoteric protein, it is compatible with cationic, anionic, and non-ionic materials.