Welcome to HCM.
IT COULD BE EARLY furuncles
) or may be due to hair folliculitis
as you ruled out the possibility of genital warts
You have not mentioned whether it is painful or not. Type of pain. Throbbing in nature or pricking type.
Infection may be caused even by fingering. A course of appropriate antibiotics may need to cure the problem.
You approach your gynecologist and she will help to fix the diagnosis and appropriate treatment.
Get Well soon.