Sebaceous glands (SG) are localized almost on the entire surface of skin and present as primary function, the production and secretion of sebum. Sebum consists of a mixture of triglycerides, free fatty acids, cholesterol, and esters that perform protective functions in waterproofing, lubrication, protection against friction, transport of antioxidants, among others. 1-3 Sebaceous glands activity can be upregulated by many factors, particularly androgens. Dihydrotestosterone (DHT) is the androgen with the highest biological activity in tissue, being converted intracellularly from testosterone by the action of the 5α-reductase
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