Obagi Nu-Derm Sunfader is indicated for the gradual fading of hyperpigmented skin conditions such as chloasma, melasma, freckles, senile lentignes, and other unwanted areas of melanin hyperpigmentation. Because this product is a prescription strength product, a copy of your doctor's prescription must be fax to us prior to shipping the product. Our fax number is 310-446-4408 (ATTN: Obagi Prescription). Please include your order number.