Pure aloe gel can also be used and applied to the face
. The aloe gel should be applied overnight and washed off in the morning. You will notice then that your skin feels tighter as the gel dries on your face. By doing this dark marks will slowly disappear and new pimples that appear would not leave any scars. Using natural products like the aloe vera plant is quiet effective in treating acne scars and dark marks. The result may take some time but you are ensured that they are effective and will not do harm to your skin.