TRESemmé Biotin Repair Instant Recovery Mask with Biotin & Pro-bond Complex 440 ML is designed to visibly repair each of the 7 types of damage caused by heat styling, coloring, and chemical treatments. Formulated with biotin and Pro-Bond Complex, this mask penetrates the hair fiber to restore broken bonds, leaving hair healthy-looking and moisturized. For best results, use the mask once or twice a week after the Biotin Repair Shampoo. Apply evenly to damp hair, focusing on mid-lengths to tips, leave on for 3-4 minutes, and rinse thoroughly. TRESemmé aims to help everyone achieve salon results at home with their professional-quality hair care and styling products. How to use: For hydrated, shiny hair with a healthy, salon-fresh look, start your routine with Tresemme Rich Moisture Shampoo and Conditioner. Then, distribute the Biotin Repair Instant Recovery Mask evenly through damp hair, focusing on ends to mid-lengths. Leave on for 3-5 minutes, then rinse thoroughly. Hazards and Cautions: Avoid getting into eyes, if contact occurs rinse with water. Box contains: 2x TRESemme Biotin Repair Instant Recovery Mask with Biotin & Pro-bond, 440ml.