Nioxins Anti-Breakage Strengthening Mask promotes the thickness and strength of your hair by providing an effective defense against breakage. Key benefits:- Provides optimal scalp care alongside hair thickening treatment to promote the appearance of thicker, stronger hair.- Helps to strengthen the hair shaft, defending against hair breakage and promoting healthier, more resilient hair.- Provides essential nutrients and hydration to the scalp and hair, improving overall hair health.- The lightweight, non-greasy formula absorbs quickly, leaving no residue behind.- Density defend is suitable for all hair types and can be used daily as part of your hair care routine.To use: After shampooing, work evenly through hair. Leave on 3-5 minutes. Rinse well. (No cap or heat required)