John Osher
Serial entrepreneur and inventor known for creating SpinBrush and other consumer products, and for selling multiple companies to major firms like Hasbro and Procter & Gamble.
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Feb 16, 2026 • 1h 1min
Spinbrush: John Osher. The Electric Toothbrush That Sold for $475M
John Osher, serial entrepreneur and inventor behind SpinBrush and other fast-selling consumer products. He recounts his scrappy rise from selling earrings to building battery-powered toys and a $5 electric toothbrush. Short, punchy stories cover design breakthroughs, the risky decision to scrap 400,000 units, clever packaging and retail moves, and the stealth licensing play that turned into a $475M win.
