Is It True There Is No Benefit to Layering SPF?

Q&A, Skin Care Advice, Sunscreen
FutureDerm Layering SPF- Myth Busted

When we are in school, we are taught “1+1=2″. Unfortunately, that’s not the way it works in Sunscreen Land. Keep the following rules in mind: 1.) With perfect application, an SPF 20 formula layered with an SPF 50 formula = SPF 50. With perfect application, sunscreens do not have an additive effect. Instead, think of sunscreens Read more »