Volume-Boosting Bundle - Turn the volume all the OUAI up for fine hair with this thickening and moisturizing shampoo and conditioner set that gently cleanses, hydrates and strengthens. OUAI Fine Shampoo - Say "I'm fine" and mean it with this hydrating shampoo that breathes life into fine, flat hair with strengthening keratin, biotin, and nourishing chia seed oil. OUAI Fine Conditioner - This moisturizing conditioner is formulated for fine hair types using the same ingredients as our Fine Shampoo, to hydrate, strengthen, and boost volume without weighing hair down. Made For Effortless Routines - All OUAI hair care products are carefully crafted to cut styling time and nourish your hair health. We put the good stuff in our hair styling products and leave the bad stuff out, without ever sacrificing quality. OUAI Means Yes - In that casual Parisian way. OUAI is about saying “yes OUAI” to living boldly. We strive to be something you reach for everyday, so wherever you go, you can go all the OUAI. Turn the hair volume all the OUAI up with this thickening shampoo and conditioner set that leaves fine hair cleaner, stronger, and full of life. Both safe for color treated hair, our keratin shampoo and conditioner for fine hair help to strengthen and nourish, so you can finally be fine with being fine. The volumizing shampoo is enriched with other ingredients including biotin, chia seed oil and none of the bad stuff. Thoroughly wet hair from roots to end, and lather a quarter size amount in your hands, working the moisturizing shampoo into roots. Rinse and follow with our Fine Conditioner for optimal results.