OLAPLEX No7 Bonding oilIts benefits include detangling and softening without changing your natural curl or wave pattern, speeding drying time, and maximizing shine. You can use it on both wet and dry hair. Applying it to wet hair helps protect and repair during styling, while using it on dry hair adds shine and controls frizz. With short and fine hair we recommend 2 4 drops. and for longer hair or much thicker hair 5 10 drops.