New. Brazilian murumuru butter & argan oil. Frequently straightened hair. Goes deep to intensely nourish overworked hair for 10x more smoothness. Overworking your hair to get a straight look? Intensely nourish in the shower for hair that's 10x smoother, stronger (In a combing test and a brushing test when using Garnier Fructis Sleek & Shine Brazilian Smooth System of shampoo, conditioner and Flatiron Express Treatment, compared to a non-conditioning shampoo) & easier to style (In a consumer test using Garnier Fructis Sleek & Shine Brazilian Smooth System of shampoo, conditioner and Flatiron Express Treatment).