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I would be pleased to answer your question .
Possibilities include : Candidal ( Fungal Folliculitis
) , Bacterial Folliculitis . It seems to be a folliculitis that is the inflammation of the Hair follicle . These develop after close contact and can result in them becoming bigger over a period of time .
Antibiotic cream application and intake depending on the bacterial or fungal cause is to be decided by the treating Dermatologist
on visual examination of the lesions .
Thanks and Take care