Interestingly enough, essential oils can serve as astringents---as it is natural but at the same time effective in evening skin. The most popular essential oils as astringents are grapefruit essential oil, lime essential oil, and yarrow essential oil. Grapefruit essential oils are known to bring back the suppleness and smoothness of the skin. It also has a stimulating effect that can increase its effectiveness. Lime essential oil has astringent features and is haemostatic. This can actually decrease hemorrhaging since it contracts blood vessels. Yarrow essential oil is a potent natural astringent, shrinking the pores of the skin and promotes the healing of skin.