Water-soluble plant extracts, and fractions separated from such extracts by chromatography, which provide an antioxidant effect when applied to the skin, are utilized in a method of treating virus skin infections and resultant skin conditions, e.g. warts. Preferred plants are Trifolium, Medicago, Nicotiana,...http://www.google.fr/patents/US4986985?utm_source=gb-gplus-shareBrevet US4986985 - Method of treating skin virus infections
