Dry hair can cause frizz, static and flyaways. Inspired by the aloe plant that never seems to dry, Biolage Hydrasource moisturizing Daily Leave-In Tonic for dry hair helps optimize moisture balance for healthy looking hair. Gives you up to 15X more moisturized hair after one application*. (*When using the system of HYDRASOURCE shampoo, conditioner and leave-in tonic vs. a non-conditioning shampoo)

Moisturizing hair treatment instantly renews shine
Helps protect hair from environmental aggressors
Leave-in formula is also suitable for color-treated hair.
Quench dry, thirsty hair with state-of-the-art formulas inspired by nature that mimic the moisture-retaining properties of the aloe plant. Hair's hydration levels are optimized through the absorption and retention of moisture.