Amazon's Spring Deals Days sale is here, offering shoppers savings on hundreds of products. From beauty to technology , there's no shortage of discounts. The Revlon Salon One-Step Hair Dryer & Volumiser is no exception. The "game-changing" gadget, which has over 30,000 reviews and ranks as Amazon's best-selling hot air styler, is almost 50% off. The 2-in-1 styling tool has been discounted from £49.99 to £29.99. There's also a pink edition available for £25.99. According to the product