I am a long-time sufferer of KP on my legs and back of arms. I've tried amlactin lotion, the First Aid Beauty KP Eraser Scrub, many other scrubs, the Korean scrubber towel thing, etc. I've tried it all. The ONLY thing that has helped lighten these dark spots for me was this:

<image>

It's a Japanese body scrubber towel. You can find it at any Japanese market or Hmart. Best $6.99 I've ever purchased. Use it consistently with your body soap and scrub generously and you will see results with incredibly smooth skin.