I am 20 year old gir before 3 months I had pimples n black marks on my face my doctor suggests me melacare I used it only onces in evening after using it means in 15 days my face become shiny n fair but I used it after getting fairness n after sometime I have rashes but now I do not know why my face is notglowing I also did mistake I sometime forgot to apply sunscreen but I stopped using melacare before 2 months n using kojivit gel but my face looks dull n black why this so happen please tell me can I again start melacare n can I stop. After 10 days or doest it make me more dark means what should I do if I start for only 7 days it again make me dark after stopping it please tell me what should I do plz.