For the first time, at TRESemme , Our Professional combines luxurious ingredients to give you gorgeously smoother shiny hair every day , infused with keratin protein and lightweight argan oil , our advanced keratin smooth system gently nourishes hair and controls frizz for up to 3 days This range has been carefully selected for its advanced formula. Driven by our salon heritage, we work with our stylists to deliver expert solutions from salon quality products without the salon price tag. Our salon inspired products enriched with high quality ingredients help you experience that salon feeling, every day. When used together with Keratin Smooth Conditioner, it controls frizz for up to 48 hours and transforms your hair to be gorgeously straighter, more manageable and easy to style. The unique formula tackles split-ends, tames unruly hair and makes them a lot more manageable. It is suitable for both, natural as well as chemically treated hair. Argan Oil known to tame frizziness, Argan oil makes your hair more manageable and adds a beautiful, attractive shine. Keratin Protein, a natural protein that makes up most of your hair, it tackles dryness and controls damage. The power of keratin protein with the nourishing effects of argan oil helps improve the overall quality of your tresses.