"Rosin' means rosin acids or resinolic acids, a heterogeneous group of carboxylic acids found in natural resins; 'collagen' means soluble collagen obtained by extraction from young animal skins or tendons. Collagen can bind water in large quantities.
Rosin hydrolyzed collagen is used in cosmetic formulations. The mixture of substances acts as a film former (forms a film on skin, hair or nails when applied) Hair fixative (has a hair-fixing effect and thus enables the shaping of hairstyles) Skin care product (cares for the skin) and hair conditioning product; makes the hair easy to comb, smooth, soft and shiny and gives it volume