What can I use to clear pimples that leave behind dark spots? I've currently been using Garnier products. Please help. ## Are Retinol serums available to you? I order mine on Amazon, but I live in the U.S., and am not sure if it is available to you. It is known to help with acne, dark spots, wrinkles, and overall skin health. You can learn more Retinol Information here. ## Differin gel brand name is the Best OTC acne med that I have been able to find and works