L'Oréal Serie Expert Liss Unlimited Shampoo Tame your unruly hair and achieve smoothness with L'Oréal Serie Expert Liss Unlimited Shampoo. Specially designed for frizzy, unruly hair, this luxurious shampoo cleanses while nourishing with Kukui Nut and Evening Primrose. It gives you brilliant shine and frizz-free smoothness for four days, even in up to 80% humidity. Ideal for coarse, unruly hair.