I have long hair (to the waist) and I use a lot of products "top game". KÉRASTASE being my favorite products: shampoo, mask, for the tips, serum etc ... and always KÉRASTASE which is very expensive ... one day I went to a new hairdresser to cut my toes. obviously I had beautiful hair (it's always like that out of the barber)! they were brilliant, flexible, disciplined, easy to style etc. where I was surprised is that 3 or 4 days later, my hair was still as beautiful! I remember that the hairdresser had put me a styling spray before I went back to the hairdresser who had looked after me to ask what was the product she had me put in my hair? and there she shows me this one! So I actually buys and today there is no question that I am going. me it is essential. a piece of advice: even if it is written on dry or wet hair, never put it on dry hair if your hair will be heavy, as if they were dirty to touch. always put on your wet hair after shampoo. buy eyes closed. really ...