Rose hip oil comes from the seeds of a specific variety of rose, Rosa aff. rubiginosa or Rosa moschata. A cold-press extraction method separates the oil from the hips and seeds. The delicate oil needs refrigerated or stored in a cool, dark location to prevent rancidity. For facial skin care, rose hip oil offers several benefits when applied externally due to its primary constituents: essential fatty acids, vitamin E, vitamin C and B-carotene, a form of vitamin A.