Hair mask with chocolate and collagen aroma. Collagen is a source of amino acids that provide strength, softness and shape to the hair, and also produces keratin, another of the most important hair proteins. Thanks to its composition of various extracts , it provides the hair with powerful nutrients, hydration and the ability to regenerate the hair fiber. Softens and shapes hair. Collagen hair masks restructure keratin strands for fuller hair. Pleasant aroma.