1-Use this product once scar or wound has been healing for at least 7 days. You may start using immediately on older scars. 2-Silicone sheets should be worn for 4-8 hours per day for the first few days, and gradually increased up to 24 hours a day. 3-Use a minimum of 12 hours a day for maximum results. lf the sheet gets stained, gently wash them in warm water and let it dry. 4-Recommended duration of treatment is 60-90 days. For best results, alternate scar sheets with scar gel every 12 hours. 5-Using disinfectant to clean the wound may cause allergic reactions.