Can someone help me? Is it chestne and how can i treat it?

I need to get rid of chestne and I've had it since I was I started grade nine. It started happening in the summer before highschool and it got worse. I don't know if it's chestne or just hair folicles growing. Is it chestne and how can i treat it?
Can someone help me? Is it chestne and how can i treat it?
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