Scars less than 1 month old (wound completely closed) - Gently apply a thin layer of the silicone gel over the scar. Apply twice daily. Continue use until scar is one month old. Scars older than 1 month (wound completely closed) - Use the massage roller to gently massage the surface of the scar a few times. Apply a thin layer of the silicone gel over the scar. Apply twice daily. Use this product for at least two months. Continuous use will help achieve the best results. This product should not be used on open wounds.