How can you reduce hyperpigmentation from an acne scar?

Healing scars: When our bodies sustain an injury, the immediate response is inflammation (red, hot, tender swelling). This is the body increasing the blood flow and bringing healing factors to the area and also the veins expand to carry bad stuff away. As healing occurs, new tissues fill in that are different than normal and less elastic. This is a scar. Over time it will fade in color but always be there.

Have you tried: Skin lightening agents, like hydroquinone or kojic acid? These are found in many "bleaching creams", and can reduce the appearance of blotchy dark pigment.