Intense Therapy Lightweight Leave-In Treatment. PRAVANA’s best-selling, two-phase multi-use hydrating mist that builds strength and more. Intense Therapy Leave-In Treatment 4.7 out of 5 stars, average rating value. Read 285 Reviews. Same page link. 4.7 (285) Write a review Intense Therapy Lightweight Leave-In Treatment. PRAVANA’s best-selling, two-phase multi-use hydrating mist that builds strength and more. Features: Ideal for all hair types Detangles Adds moisture Build strength How To Use After cleansing, towel dry hair. Shake mixture well until the mixture has a uniform color. Spray Intense Therapy Leave-In Treatment on the hair until perfectly moisturized. Leave-in and style.