Do you know what you’re looking at in this video? 👀 This is a subungual hematoma – a bruise under the nail caused by mechanical trauma. It usually happens when the nail bends too strongly, you hit it, or catch it on something… and until we remove the product, you often have no idea what’s happening underneath. In this case, the hematoma appeared after a strong bend and because the product used for the extension was too hard and not flexible enough, so the natural nail couldn’t absorb the impact