Seiler Skin is an authorized retailer of the skincare products available on our website. An authorized retailer of these medical grade skincare products must be a physician. These products were hand-selected by Dr. Seiler for his patients to treat a variety of skin conditions. To determine the best custom skincare regimen for your needs, please contact us for a consultation with a certified product professional at Seiler Skin. All skincare products are non-refundable unless there is a product defect. We do not ship products outside of the United States.