Sunsilk’s team of groundbreaking hair experts, partnered with the insights and expertise of the Tokyo- based, world-renowned, Yuko Yamashita to create the new Sunsilk Perfect Straight Range. Sunsilk Perfect Straight Nourishing Conditioner with advanced Straight Lock Technology Formula penetrates deep within the hair fiber. When used together with Sunsilk Perfect Straight shampoo, it hydrates every strand and locks in straightness, keeping them fully aligned as they dry.

