OGX Strength & Length+ Keratin Oil Shampoo is a powerful formula with keratin proteins and argan oil that helps resist breakage caused by brushing and styling. A fortifying blend, OGX Strength & Length Keratin Oil Shampoo works hard to help defend against split ends and rid your mane of pesky broken pieces by strengthening each strand from within and nourished throughout, helping to maintain longer, stronger hair. It is now introducing its new gentle formula that is also PH balanced. OGX beauty pure and simple!