Medical spa. Skin Vitality Medical Clinic St. Catharines is your home for the latest cosmetic treatments in the industry. Staffed with professionally trained registered nurses and aestheticians, they offer a warm and welcoming environment that will make you feel comfortable and at ease. For dermal fillers such as Botox, Juvederm and Venus Freeze to the latest skin care and beauty treatments, looking younger and healthier has never been this easy!