Its simple: dry hair equals more frizz.So keeping your hair healthy and hydrated is a no-brainer for anyone longing for smoother, shinier locks. 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 72 hours.* 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 shampoo and conditioner vs non-conditioning shampoo