How long does it take for a chin implant & Vaser Lipo on neck incision to heal? (Photo)

I had my surgery 2 weeks ago and the wound looks fresh and swollen. I finished my course of antibiotics for 10 days, I kept putting fitoestimulina cream on the wound, the dead piece came off and I cleaned all around but still too opened and fresh 15 days later. Is this normal?? Do I need more stitches? What shuld I do?

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