Dark knees and elbows detracts from an even skin tone and beauty, which can be caused by excessive sun exposure and build up of dead skin cells, leaning on the ground with your knee and elbow can also leads to dark elbow and knee. This issue is what can make one self-conscious about wearing sleeveless dresses or tops, and this can happen to anybody irrespective of your skin tone. Most people have used several chemical creams that ended up worsening the whole issue, there are natural remedies that can be use to brighten dark knee and elbow, continue reading to see;