If your skincare routine has been feeling a little too predictable lately, there’s one treatment beauty shoppers can’t stop talking about — and it’s currently 49% off ahead of Prime Day . The medicube Exosome Shot has earned a devoted following for delivering the effects of “liquid microneedling” without requiring a trip to a dermatologist’s office or a recovery day spent hiding from the world. At first glance, the product sounds almost too good to be true. A serum that mimics the skin-