The Foundation Shampoo lathers beautifully, using clean, coconut-based surfactants to gently remove build-up, creating a perfect foundation for styling, with the softest natural movement. The Foundation Shampoo lathers beautifully, using clean, coconut-based surfactants to gently remove build-up, creating a perfect foundation for styling, with the softest natural movement. Founded by celebrity hair stylist Mara Roszak, RŌZ (pronounced “rose”) is a meticulously crafted and curated collection of hair care inspired by nature and rooted in performance.