Flibanserin can cause focal hyperpigmentation in various tissues, and this side effect may not occur if use is limited to less than eight times per month.

“hyperpigmentation at the injection site or just in general face gingiva breasts like melanocorton melanoreceptor sensitive tissue wow and it was in the clinical trial and it was seen in one percent of people — it's not clear if it goes away if you stop it but if you don't use it Beyond it's not thought to occur if you don't use it beyond the recommended guidance right they say that backwards use it less than eight times a month and it probably isn't going to happen”