Hayes Valley Medical Esthetics are boutique medical clinics and spas providing safe, personalized, and effective treatments utilizing tested technologies, combination therapies, and medical-grade skin care products to achieve optimal, natural-looking results. Offering two clean, comfortable, and luxurious locations, in Hayes Valley, San Francisco and Downtown Larkspur, Marin. Founded by Linda Behla, RN, and medically supervised by Yngvar A. Hvistendahl, MD.