Your ability to tan is based upon your "Skin Type". Skin Typing is a process of evaluating your individual genetic characteristics. Eye color, hair color, ancestry, and sun tolerance are all factors in determining your specific "Skin Type". Their are 6 different skin type categories. These ranging from Skin Type 1 individuals (always burn) to Skin Type 6 individuals (rarely burn). Executive Tans uses skin typing to assist you in choosing the right tanning equipment, exposure schedules, and tanning products to help you get the smartest tan possible!