gently exfoliate after each shower or bath then moisturize with vit. E or moisturizer for very dry skin. Apply sun screen to knees before going out into the sun.
Lemon Juice ^_^ Dab on a little lemon juice every day - that should lighten up the skin. But be careful, if you are/part African or dark Hispanic or really dark anything for that matter - you can...
You need to accept yourself for who you are. Many people have dark skin on their toes. People such as our president and Oprah have dark skin on their toes and they are not ashamed.
Bleach your toes?...