Hello, firstly it has to be seen if you have scars or only post inflammatory hyperpigmentation. If it is only hyperpigmentation then it can be reduced with a combination cream of glycolic acid, kojic acid and arbutin. Alternatively mild peels can also be tried. Opt for these only after consulting your Dermatologist. Meanwhile start using a broad spectrum sunscreen of spf 30. Please do keep in mind that medicine is not magic and neither does your body work on deadlines,hence, it is not feasible to expect a certain quality of results in as short as a month. Regards, Dr.Shruti Jadhav Devershi, Sólskin Professional Dermacare, Kharadi, Pune.