Cosmo Beaute Keratin Plus Shampoo strengthen your hair from within, that works to lock moisture into every strand while improving hair's elasticity, reducing breakage and providing smooth, glossy hair from root to tip. Keratin helps to rebuild the hair’s natural protective layer and strengthens strands. This shampoo with keratin provides an extra layer of protection and conditioning to the hair that might need if it's been damaged by chemical treatment or product buildup. Keratin shampoo also works to replenish the hair during specific seasons and conditions when it is prone to be extra dry.