Naturally occurring silk amino acids bathe the hair, sealing each strand to prevent dehydration. Serine, glycine and alanine work with Joico’s exclusive traimine complex to reconstruct the hair from the inside out. This exclusive blend of amino acids, which are the building blocks of healthy hair, penetrate and nourish to leave all hair types gloriously gorgeous. Silk silicone and hydrolyzed silk proteins in this 5.4fl oz. crème smooth unruly surface strands to add brilliant shine and depth. More info: www.joico.com.