How can i address deep scratch marks on my back?

Derma pen: You should check out derma pen online and find a clinic in your area that provides the service. Basically it is a needling device that puts micro holes in the skin which stimulates wound healing and the re-modeling of collagen. This can be supplemented with cosmeceutical product that contains growth factors and or prp which you'll learn about online. You'll need 3-6 tx at around $300 per.

Scratch Marks: Bensal hp is a new topical medication for the healing of superficial wounds. This would be a good medication to use on your deep scratches.