XBI OKAY Olive Oil for Hair and Skin. Effective Dandruff Control providing Deep Conditioning while Nourishing & Strengthening. -Targets Dry Skin & Keeps Skin well Moisturized. -Prevention Against Wrinkles & Scars. Olive Oil Use for Hair nourishes, conditions, and improves the strength and elasticity of your hair. OKAY Olive Oil can be used in many ways for your hair. Two ways you can use is as a dandruff controller or a Deep Conditioner.