TRESemm Keratin Smooth Deep Smoothing Mask is a deeply nourishing hair treatment specially formulated to moisturise tresses while helping to control frizz for up to 3 days.* Part of the TRESemm Keratin Smooth collection, this moisturising hair mask packs five smoothing benefits into one: fights frizz, detangles knots, boosts shine, adds softness and tames fly-aways. Use weekly for hair thats silky smooth and full of natural movement. Keratin-enhanced formula. Keratin proteins are the natural building blocks of your hair, and work by smoothing down the hair cells, leaving strands stronger, smoother and easier to manage Enriched with marula oil. Known as Africas beauty secret, this fast-absorbing and ultra-lightweight oil seals the hair follicles for ultimate softness and shine Five benefits in one. Our professional formula is designed to fight frizz, detangle knots, boost shine, add softness and tame fly-away For the best results, start your routine with TRESemm Keratin Smooth Frizz Control Shampoo Once rinsed, remove excess water and apply a generous amount of TRESemm Keratin Smooth Deep Smoothing Mask, distributing evenly through the hair, from the middle to the ends Run a wide-tooth comb or your fingers through to smooth and detangle. Leave for 35 minutes Use weekly, or whenever your hair needs a hydration hit