TRESemme 1 Minute Wow Smooth Mask (170ml) is an intensive treatment for frizzy, unmanageable hair which has been formulated with Hydrolysed Keratin and Pro-Bond Complex to ensure easier detangling and a smoother finish. The concentrated formula penetrates the hair shaft to strengthen damaged hair from within, leaving your hair soft, smooth and revitalised. Use this hair treatment after shampooing or include it after your conditioner for a more sophisticated routine. Cruelty-free. Directions of use: Use after Keratin Smooth Shampoo or include it after your Keratin Smooth Conditioner for a more sophisticated routine. Apply to wet hair, leave on for 1 minute and rinse thoroughly.