The wax-like substance on the armpit hair may be due to an infection of the area with armpit ringworm, which causes a buildup of granular material in the armpit hair area. These granular substances, which sometimes stain a specific color with body sweating or local clothing, may be wax-like in color, or yellow or red in color. This condition is mostly a hair disease of the skin that is mainly caused by infection with Mycobacterium leprae. In this disease, the patient usually has no obvious conscious symptoms, only a foreign body sensation in the armpit or a rough feeling of armpit hair. Generally in the treatment, just eliminate the armpit hair, and then use 5% sulfur ointment topical application can be.