It’s diet, ph imbalance, infections, STDs, and poor hygiene. Probiotics help a lot with vaginal health, immunity, and intestinal health, so I take them to cover all three. I do use ph sensitive soap and regularly get waxed down there for sanitary reasons. That and a good diet, helps a lot, but if she has an infection none of that will help. It sounds like she has an infection.
I do believe that some women really can’t smell themselves. Otherwise I can’t imagine walking around like that. I have a friend who has a distinct smell. After I stayed with her for a week I finally realized why. She only took like two showers that whole week. I was looking at her and her man funny. Low key wondering how he was fukking her.
My sister had a weird smell like that too, same thing, didn’t take showers enough. She said it was because they dry out her skin(she has eczema). She didn’t notice her smell, until I brought it up, on some bytch your coochie stinks, take a shower.