What is in carrot seed oil? Image result for carrot seed oil oil description The main chemical constituents of Carrot Seed Essential Oil are Carotol, Daucene, beta-Bisabolene, and Daucol. Used in aromatherapy applications, Carrot Seed Oil is known to have stimulant properties that enhance circulation as well as brain and nerve functions What does carrot seed oil do for skin? Carrot seed oil is a winner when it comes to anti-aging effects. Combining skin-mending vitamin A, collagen-boosting vitamin C and moisturizing vitamin E, this essential oil helps smooth lines and repair sun damage, scars and any other skin trauma.