Tresemme Keratin Smooth Shampoo with Marula Oil is redesigned with luxurious Marula oil that delivers not one, but five smoothing benefits so you can forget the frizz and indulge in gorgeously silky hair for up to 72 hours. It is specially formulated to fight frizz, detangle knots, boost shine, add silky softness and tame those pesky fly away.