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In page Combined oral contraceptive pill:
"Ultimately, the drop in the level of free androgens leads to a decrease in the production of sebum, which is a major contributor to development of acne.[citation needed] Four different oral contraceptives have been approved by the US FDA to treat moderate acne if the patient is at least 14 or 15 years old, has already begun menstruating, and needs contraception. These include Ortho Tri-Cyclen, Estrostep, Beyaz, and YAZ.[3][4][5]
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