What can I do about dark rough knees?

How can i get rid of dark knees and elbows?

• they are really dark here is how it looks like btw thats not me i got it from google i just wanted to show u how bad it is http://www.google.com.sa/imgres?hl=en&biw=1525&bih=661&gbv=2&tbm=isch&tbnid=8yYUnDiGjhNQLM:&imgrefurl=http://www.medicalling.com/top-treatments-for-dark-elbows-and-knees/&docid=R-I8fj5Bbgsq1M&imgurl=http://www.medicalling.com/medicalling/wp-content/uploads/2011/11/dark-knees-and-elbows-belo-medical.jpg&w=480&h=547&ei=kq5fT5fmC6SR0QW5kYyjBw&zoom=1 i need it to work fast reallly fast i cant wear shorts or shirts cuz my knees and elbows are really dark i need it lightened and un wrinkeled fast before march ends plz dont recommend lemons cuz i tried them alot didnt work please help thank u and tell me the amount to use and how long it will take thank you god bless you

• Answer:

  Palmers do skin lightening creams containing the active ingredient "Arbutin" http://www.multipharmacy.com/shop/customer/Palmers-Skin-Success-Eventone-Fade-Cream-Extra-Strength-Formula-pid-11535.html I use it on my knees and elbows and have seen some improvement.