In fact, it's not that the ear is getting thicker, but there is a thick lump in the ear. Try not to touch the water when taking a shower, and dry the water in your ears with a paper towel after each bath. A little alcohol and erythromycin should be fine. If it is really rare, take out the ear stick or earring and replace it with a new one. Squeeze out the thick inside the ear, put erythromycin on the ear-stick earrings and put them on.