Is there a way to lessen the tone of scars due to acne?

I have lots of scars left over from acne. Are there any products or ways to possibly lessen the tone of the scars on my face?Is there a way to lessen the tone of scars due to acne?
Cocoa Butter helps a bit...The one in the stick not the lotion..Is there a way to lessen the tone of scars due to acne?
Pineapple juice has a good amount of ascorbic acid which acts as a good bleach for the skin, so when applied often and washed after 10 or 15 minutes help a great deal in reducing acne,pimple scars. More such solutions at http://solutionsforpimples.blogspot.com/

sun sunscreen