Facial scar. Is there any surgery or treatment which can minimize it? (Photo)

Hi there. I have incident in which cut my left chick one and half month befor. Now it's in healing process . I using silicon sheets every night for min 12 hrs. and Aquaphore healing ointment in day and not get in sunshine . What's the best I can do to minimize the scar. Any future surgery or treatment which can minimize the scar? Thanks