Let me share the cleaning guidelines for the 7-star plum blossom hammer—it’s super important to take good care of it since it has tiny needles that need to stay clean and safe for use. Before you start: Clean your hammer with surgical spirit (rubbing alcohol). Most first-aid kits have it, or you can easily find it at a pharmacy. Pour a little into a spray bottle for easy use. Spray your hammer, shake it gently, and let it air-dry. Using your hammer: Once it’s dry, use your hammer on your scalp o