How I Built This
How I Built This

Spinbrush: John Osher. The Electric Toothbrush That Sold for $475M

Feb 16, 2026 · 1h 0m

Before Spinbrush became the top selling toothbrush in the U.S—and before Procter & Gamble paid $475M for it—John Osher was a teenager selling earrings for $4.99. In this episode, John walks through the strange, scrappy, but disciplined path that led to one of the fastest consumer-product breakouts ever: from a six-year stint in a commune (where he learned plumbing and carpentry), to selling baby products and battery-powered spinning lollipops. Finally, the big bet: a $5 electric toothbrush that was cheap …

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