Our office has many different treatments for scars depending on the depth of atrophy or hypertrophy. Scars require a combination approach using our HI DEF protocol which uses a combination of lasers, topical scar modulation, and RF treatments to pixelate scars, improve contour, reduce...
I would get a hydroquinone and vitamin C combination such as Obagi C clarifying serum twice daily, a retinol at night, and a broad spectrum sunscreen on top. You should see a dermatologist with expertise in treating skin of color and skin pigmentation as a combination of topical bleaching...
Keloids can be treated with intralesional cortisone injections and lasers. If you have a tendency to keloid elsewhere, you are an an increased risk of having keloids elsewhere. If you have a family history of keloids or have darker skin, you are also at an increased risk.