It's a simple truth: Where there’s a Dyson product, there’s a dupe, and that holds especially true for Dyson beauty products. The Supersonic first made waves because, in typical Dyson fashion ...

Learn more about how we select deals. SAVE $300: The Dyson HEPA Big + Quiet air purifier with formaldehyde filtration (BP06) is on sale at Amazon for $599.99, down from the normal price of $899.99.