The use of base oils has enormous benefit for the skin. Instead of being an inert (non-active) synthetic carrier for the active ingredients, base oils contain nutrients such as vitamins, minerals and essential fatty acids that support and nourish the X OUT Acneskin. I would go so far as to count base oils as active ingredients in skin care. So, in fact, in natural products up to 95% of any product has a supportive "active" effect on the skin. In comparison, the synthetic base ingredients in conventional skin care by enlarge, lack significant therapeutic benefit. There are many factors that affect the absorption of topical ingredients into the skin and in reality, many topical creams just sit on the surface of the skin, effectively plumping the superficial skin cells but.