This might come as a shock to you but there are certain foods that have skin tanning properties. These food items are commonly used by those who wish to get a natural skin tan. Some such common foods are:
Eggs- It is high in vitamin A and high-density Lipoproteins. A higher yolk intake and application has been adopted in various skin tanning formulas, in the West.
Carrots- Even though they are good for your diet, carrots contains carotene, which promotes skin colouration.