Looks like you have acne and folliculitis - this shall need treatment with oral antibiotics , anti fungal shampoo and also maintenance creams for acne.
With respect to the pics enclosed - which are not very clear - i am also concerned that you may be having acne keloidalis nuchae. So its rather best that you see a qualified dermatologist near you and seek treatment after detialed evaluation by him , hope this helps. warm regards
see a qualified dermatologist near you
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