Dark knees and elbows bothering you? A lemon juice, baking soda paste works wonders for lightening elbow and knee skin by bleaching it. Aloe- and honey-based masks or sugar scrubs are also great choices as they exfoliate the skin on your knees and elbows, giving it a radiant look. You could also use turmeric or gram flour paste to brighten the dull skin and leave it glowing. An uneven skin tone can be harrowing when you want to flaunt a beautiful dress or wear cut-sleeves. The dark skin on your knees and elbows may often make you want to rethink such wardrobe choices. These parts of the body often become very dry and the protein keratin, which protects the outer layer of the skin, may build up in excess to cause dark patches. Discoloration in these areas due to excessive exposure to the sun is also a common occurrence. A daily regimen using ingredients available at home alongside adequately moisturizing and exfoliating the skin in these dark areas can help a great deal. ...