Discover the Cult Favorites From the Women Driving the Clean Beauty Revolution

PS: What is one product in your line that defines your brand?

SW: Shake It ($8), a sheet butt mask that is firming and illuminating. It is fun as it has gold dust that illuminates your butt and reflects light. Besides the benefits and how clean it is, it actually says "shake it" on the mask, and once applied on my butt, I cannot stop myself from shaking my butt — it really stays on.