Dark circles are caused due to various reasons.Well, it's weird that often heredity causes dark circles. It's true that the individual who are born with thinner skins under their eyes often expose the dark veins underneath and they appear as dark circles. Although many home remedies are found to reduce dark circles, some new ways still need to come into being. While sandwood oil must satisfy you. Sandalwood oil is an essential oil obtained from the steam distillation of chips and billets cut from the heartwood of the sandalwood (Santalum album) tree, which contains high compound and α-santalol. These substance can help with skin conductance, and systolic blood pressure. You just need to wash up your hands and drop some drops on your fingers, and then put your fingers on dark circles to massage them for 5 minutes once a day. After a week, beauty returns.