Abstract: Disclosed is a method of preparing an extract of the herb sea buckthorn. In the absence of oxygen and metals berries of sea buckthorn are mixed with a vegetable oil and the mixture is incubated, which results in the extraction of liposoluble components of the berries into the vegetable oil. The extract is then separated from the berries. A composition is prepared of about 5 to about 95 wt % of the extract, 0 to about 95 wt % of an extract of a herb selected from the group consisting of rose hips (Rosa species), St. John's wort (Hypericus perforatum), chickweed herb (Stellaria media), plantain herb (Plantago major), calendula flowers (Calendula officinalis), and mixtures thereof, prepared by extracting liposoluble components of the herb into a vegetable oil in the absence of oxygen and metal, 0 to about 10 wt % of an essential oil, 0 to about 15 wt % of an antioxidant, and 0 to about 80 wt % of a diluent. The composition is applied to open skin lesions to promote their healing.