As the cooler days are finally gone, and the first days of summer are here in all their steamy glory, it's important to make sure you are armed with the right SPF know-how before you head outside. We sat down with DDF Founder and leading-NYC dermatologist, Dr. Sobel, to get answers to your most popular skin and sun questions. Read his tips below for the best way to have a safe and sunny summer!

Is SPF found within makeup sufficient protection for an average day?

No, SPF within makeup is not sufficient protection for an average day. It would require 7 times the normal amount of foundation to provide enough coverage, so it's important to wear a separate moisturizer with that offers SPF protection.