Oil Rinsing is a word very curly hair person should know Oil Rinsing is an act of applying a hair oil in the shower and rinsing it out for smoother, shinier hair. In between shampooing and conditioning, work a the oil throughout your scalp and strands, let it sit for 5-10 minutes, cleanse, and follow up with conditioner.You will get frizz-free results and moisturized curls after using this method.