This serum is designed to shield your hair from damage caused by heat appliances the sun s rays and the environment. Its weightless formula makes it easy to style your hair without weighing it down. You ll notice that your hair is smoother and easier to detangle and that it has a healthy shine. The olive serum is perfect for all hair types including dry frizzy and chemically treated hair. It provides deep hydration and moisture leaving your hair looking and feeling healthier than ever. Best of all it s not oily or greasy so you can use it with confidence.