The best treatment so far is administering intralesional cortisone every 6 weeks. Cortisone is injected into the keloid via a small (diabetic) syringe. Avoid rubbing keloids, as this can aggravate them. Keep them protected from the sun, and avoid any unnecessary procedures in the first place. If you have acne and you are forming keloids, treat acne aggressively with the help of your dermatologist.