Thanks for your Query to Health Care Magic ..
I read your concern and it seems that you are rightly diagnosed by your Physician as Fungal Folliculitis
I would like to treat you with Topical Benzyl Benzoate
after making the skin dry .
ointment helps to kill infection by bacteria.
Prevention and Treatment is based on Keeping skin dry is important,
1) Avoid using same bath towel
2) Zinc oxide
and Ketaconazole Body lotion / soap is used twice daily to reduce symptoms of sores and rashes caused by fungal folliculitis.
Hope this information is Helpful .
Thanks & Take Care.