The Matrix Biolage HydraSource Hydra Seal Spray offers lightweight hydration for thirsty hair. This leave-in conditioner locks in moisture, improving manageability and softness throughout the day without weighing the hair down. Ideal for daily use on medium to fine hair textures that lack moisture, this spray helps to condition and prime hair for styling while protecting against frizz and environmental stressors. Experience enhanced shine and vitality with every application.