Hello doctor ! I am 30 years old un married recently I am using melacare cream on my face since one month till present at before going to bed once per day but result is good and my neck is little bit black even everything is fine and my doubt is can I use it continue at daily night time or is ther any side effected in future pls suggest me . In before that I used many products but result is zero . And can I do any home remedies pls suggest me . Thanks.