Teeth whitening just got a major redesign . . . from the designer behind the Sharpie

Leighton Davies-Smith tackled writing. Now he’s going after your teeth.

Leighton Davies-Smith has built his life around the lowly pen. As a PhD electrochemist, he’s had a four-decade career formulating inks, refining nibs, and designing the tubular handheld devices that allow people to jot notes, sign checks, and scribble on walls. He’s worked for some of the most well-known, if workaday, brands in the writing instrument market, including Sharpie, Parker, PaperMate, and Expo.

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