Relationship between Demodex mite concentration and some lifestyle features

Background and Aim : Aims: Demodex mites is located in human hair follicles and sebaceous glands. They feed on epithelial cells, dead cells and sebum. Immune system control microorganism population. Our aim in this study is assessment of relationship between Demodex counts and some lifestyles and skin features.Methods : Methods: This study tested on ۱۲۶ females and ۲۹ males with average of age ۳۱.۲۵ years old. Demodex test did on facial skin and scalp by an acne tool to taken standard amount of sebum then putted samples on glass microscope slides with clear mineral oil. Patients filled the questionnaires that contained skin types, average time of sleep on day, average of number shower on week, etc.Results : Results: Positivity Demodex test means five or more mites per cm۲. Results of test in ۶۰ (۴۷.۶۱%) females and ۱۵ (۵۱.۷%) males was positive. At all positives, average of sleep a day, count of shower a week was ۷.۱ hour and ۳.۹۵ times per week. Most type skin of high density of Demodex were seen oily (۴۲ person) then mixed skin (۹ person).Conclusion : Discussion: High density of Demodex can be related to abnormality in immunity. Due to it expected that some factors in personal life style affected on Demodex concentration. Daily sleep time, number of showers in a week and skin type checked. In some studies showed that Demodex feed sebum and proliferation easily in oily skin. The results of this study showed Demodex concentration increased in oily skin. There was no significant statistic difference between time of sleep and shower number on a week with Demodex concentration.

کلیدواژه ها:

Demodex mite ، Skin ، lifestyle