Are you annoyed of the black skin on your knee and elbows? It is pretty much common in people and occurs due to excessive buildup of dead skin on the particular part. The dead thick skin on knee, ankle and elbow forms due to excessive pressure as well as friction. Excessive exposure to sun also causes the skin to turn darker. Exfoliating and scrubbing the skin is essential to get rid of the thick dead skin cells. Plenty of over the counter medications and creams are available that help you get rid of the black skin. But the dead skin cells can be effectively removed with home remedies as well. Here are some of the best home remedies to remove the dark skin from knee, ankle and elbow.