Keratin Plex is an intensive treatment, which contains plex function, suitable for extremely weak, brittle, porous and chemically treated hair. Its formula contains Elastin that restores elasticity and flexibility, Collagen that regenerates weakened hair fiber, restoring the hair’s natural resistance and Hydrolyzed Vegetable Keratin that penetrates the hair, nourishing, hydrating and rebuilding. Together they restore life, resistance, softness and natural shine to the hair.