Talk to Dermatologist on Skin Problem

actually my problem is that k m choti c thi tb sy mujhe yeh masla hai k meri neck ka colour bht ziada black tha m remedies use krti thi phir jb bri hoti gai toh mujay pta chala k meray underarm b black hain r bikini area b ,, k bht kuch use kr chuki hun , but still not result ,, m is bt sy bht preshan hun r meri shadi b hai can u plz help me?? m koi bht zada moti nhi hun i'm perfect,, kya is k liyay koi medicine wegara hai??