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ABSTRACT
Over time there has been a need to go back to “our roots” in the areas of medicine, considering the endless report of adverse drug reaction to synthetic has created a need for proper utilization of medicinal plant hence the rise in natural product. The use of these natural product also finds useful application in skin care and in this study essential oils are the product of choice. Proper investigation on the phytochemical constituents which shows positive for alkaloids, terpenoids, tannins, and phenolics, the antioxidant activity and sun protection factor of the essential oil of Citrus limon were carried out. The experimental study shows the process of essential oil extraction via hydro-distillation as well as the comparison of its antioxidant activity with a known standard –ascorbic acid where it showed moderate antioxidant activity. The sun protection factor was determined by ultra violet-visible light spectrophotometric analysis to be 0.553 at 0.01% and 3.45 at 0.1%. The mild sun protection activity and moderate antioxidant property makes it a viable ingredient for organic skin care product.
