Spend less time drying your curly hair and create the style you want in a flash. L’Oréal Professional Curl Expression leave-in spray was designed in collaboration with experts to nourish your hair, provide hydration and speed up the process of drying by up to 37%. It gives your tresses a brilliant shine and definition without unwanted frizz.Curl Expression drying accelerator leave in is designed to dry curls and coils, the pro way. It speeds up to 37% the drying process while delivering.It protects hair against heat up to 230 °C/450 F.