Borage oil is used in aromatherapy. It can be inhaled or vaporized, but can also be used as carrier oil for more powerful and ultra-concentrated essential oils. It blends well with other thin and easily absorbed oils like jojoba, rosehip, thistle and sweet almond oils. Borage oil is said to have an uplifting and euphoric effect, and may help ease mood swings and depression. USES Moisturizing your skin. It's an effective natural anti-aging oil that repairs and hydrates your skin. Reducing stress and high blood pressure A study conducted on 30 Canadian university students found that those who took borage oil capsules reduced their stress vulnerability after 28 days of supplementation.