Our hair serum contains glycerin, hydroxyethyl cellulose and ginseng root extract. It can maintain the volume of hair, making hair thicker and more textured. The way to use it is simple: 1. Clean your hair and scalp and keep it dry. 2. Apply appropriate amount to hair and scalp. 3. Gently massage until absorbed. Helps reduce hair loss, increase hair volume, and make hair look thicker.