Olaplex No.7 Bonding Oil is specially used for retaining the natural strength and shine of hair for a long time. It perfectly a pure combination of natural oils and natural herbs that works perfectly against rough, dry, and weak hair and nourish this hair with its natural effect and keep the hair in their natural healthy form. To apply to take a small amount of oil according to the volume of the hair and spread it gently around the hair deep down in the roots with the help of fingers. This oil penetrates the roots of the hair and makes the scalp stronger and smoother and fresher this oil doesn’t create any thick layer or residue which weighs down the hair.