All Karin Herzog skincare products are based on the research of Dr. Paul Herzog, Doctor Honoris Causa of the Nobel Institute, an eminent scientist, inventor of the artificial respiration system used throughout the world. The first scientist to successfully stabilise active oxygen, a source of pure energy, in a medical grade emulsion and to patent his invention internationally.Karin Herzog's oxygen skincare products are an exciting new concept in skin perfection, maintenance and enhancement. This cutting edge anti-ageing breakthrough has developed from advanced medical technology and been adapted and applied to the cosmetic industry with amazing results. Karin Herzog skincare products are not tested on animals, and are Hypo-Allergenic. We do not ship Karin Herzog products outside of Canada.