First, the good news: Mild exposure to sunlight is essential for the human body as it is a source of vitamin D. Now, the bad news: Too much exposure or over-exposure to sunlight is harmful to your skin. To protect the skin from the harmful rays of the sun, melanin production increases, resulting in sun tanning. Moreover, the UVA or Ultraviolet A radiation promotes skin ageing as it penetrates deep into the skin. UVB or Ultraviolet B radiation, on the other hand, causes sunburn and damages your skin. You can try some simple, yet effective, home treatments to get rid of your sun tan. For best results, be patient and try these home remedies daily for a few months. So to get rid of sun tan take some lemon juice. And add some sugar to it. to form a gritty mixture. Massage your skin with this mixture. This exfoliates your skin and helps improve the skin tone. To try this next home remedy. Take a cup of plain yogurt. Add the juice of 1 cucumber and 1 large tomato in it. Now mix in half a cup of gram flour or besan in it. You can add more flour to thicken the consistency. Now apply this pack all over your face and neck. Leave it for about 30-45 minutes and then wash off with lukewarm water. Fresh aloe vera gel soothes sunburn and reduces the effect of sun tanning. So, apply it all over your skin and preferably leave it on overnight. Tips to further help you with removal of sun tan. Raw potato and cucumber also have natural bleaching properties, so you can apply about half-inch thick slices on your face. They can help you remove dark circles, too. Moreover, you can apply buttermilk. As prevention is always better than cure, make sure you apply an effective sunscreen with SPF 15 or more before going out in the sun. Also, wear protective clothing to prevent a suntan.