CONCENTRATE ON HYDRATION. CONCENTRATE ON YOU. - Hydra Source delivers 6x more hydration after one use*. Leaves the hair extremely soft and shiny with touchable movement. Elevate your regimen by rediscovering Hydra Source at your local Biolage salon or retailer. *Hydra Source Shampoo, Conditioning Balm, and Daily Leave-In Tonic vs. non-conditioning shampoo.