The Uberliss Hydrating Shampoo is a sulfate-free shampoo that gently cleanses the hair without stripping its natural moisture. The Hydrating Shampoo will leave your hair fibers so easy to comb that you won't even realize that you shampooed. Your hair will be rehydrated and strengthened with plenty of moisture thanks to the Keratin. Your hair will be rehydrated and strengthened. cleanses the hair without stripping. sulfate-free shampoo.