Which products help clear up acne scars and marks?

Can only Improve: You cannot "erase" scars. Poor scars can be improved through the following methods: 1) scar massage 2) silicone sheeting (a kind of silicone tape you where over the scar) 3) steroid injections 4) laser treatment (helps remove coloring) 5) scar revision (removing the scar and starting over). Consult with a plastic surgeon to find out which combination of these would best work for you.

Damaged skin: Once the architecture of the skin is altered, it is impossible to reverse. One can only decrease the sequelae with laser, or dermabrasion techniques.

Other thoughts: You can also improve depressed scars with fillers either during ablative techniques or as a stand alone procedure.