You might be dealing with folliculitis ... as pityrosporum folliculitis), viruses (herpes, molluscum), and demodex (a type of mite normally present in the pilonidal sebaceous area of the skin).

The eruption presents as asymptomatic finely scaly patches of hypo or hyperpigmentation (lighter or darker skin ... Malassezia (Pityrosporum) folliculitis. Pityrosporum folliculitis is an ...

also known as pityrosporum folliculitis, “is routinely mistaken for acne, but it’s actually related to a yeast called ...