Bumble and bumble Hairdresser’s Invisible Oil Ultra Rich Hyaluronic Treatment Lotion, 100 ml, Hair Creams and Gels for Women, The Bumble and bumble Hairdresser’s Invisible Oil Ultra Rich Hyaluronic Treatment Lotion leave-in treatment gives your hair everything it needs after washing. Characteristics: makes hair velvety smooth leaves hair beautifully shiny and full of vitality provides hydration and nourishment for your hair can be used on the body and hair How to use: Apply to wet hair, especially the lengths and ends. Do not rinse.