Overworking your hair to get a straight look? Intensely nourish in the shower for hair that's up to 10x smoother, stronger* & faster to flatiron**. America's #1 Sleek Expert*** brings you our most intense smoothing care to help straighten & strengthen the most demanding hair, starting in the shower. Formula with Brazilian Murumuru Butter melts into surface of strands to replenish & seal in silky smoothness. Get up to 10x SMOOTHER & STRONGER* HAIR Reduce Flatiron Time** *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.