Research shows that 60-80% of allergic patients are allergic to dust mites, in some areas, more than 80% of children or young asthmatics have a positive reaction to dust mites; and because of the human creeping dragon long-term parasitic in the hair follicles and sebaceous glands, causing hair follicle expansion, pore enlargement sebaceous gland proliferation can lead to rough skin, itching and burning sensation, hair loss, and in serious cases cause papules, red spots, pustules, and other inflammatory diseases This is what people call acne. So getting rid of mites is a very important thing in life.