Lime - Citrus Oils like Lemon, Lime, Grapefruit, Tangerine, and Sweet Orange have anti-bacterial and astringent properties. Great skin tonics, citrus oils, stimulate the microcirculation, balance skin oil production, and support tissue regeneration. They are wonderful for dull skin. In hair care citrus oil helps balance the production of sebum. They refresh, invigorate, and cleanse the scalp. Aromatherapy Properties: Citrus oil brightens and warms your mood, calms, encourages, clears the head, increases mental alertness, improves memory, and reduces stress and headaches. Their scents are fresh and stimulating. Citrus oils in general are believed to stimulate positive energy and thus cause feelings of joy and happiness.