Heading 8 hour relief. Purpose External Analgesic, Skin Protectant Manufacturer Blistex Active Ingredients Calamine (14.0% W/W); Benzyl Alcohol (10.5% W/W); Diphenhydramine Hydrochloride (2.0% W/W) Directions Do not use more often than directed. As soon as possible after exposure, cleanse affected area with soap and water. Gently pat dry. Apply Ivarest liberally to form a layer you can not see through.