SkinMedica Essential Defense Everyday Clear Broad Spectrum SPF 47 (1.85 oz)

SKINMEDICA ESSENTIAL DEFENSE EVERYDAY CLEAR SPF 47 OVERVIEW This lightweight, sheer sunscreen is ideal for oily and/or combination skin, giving you the highest level of UVA protection available and UVB coverage in a formulation that won't clog pores. Appropriate for oily and combination skin types. KEY FEATURES AND BENEFITS Protects against damaging UVA and UVB rays Will not clog pores Paraben-free, hypoallergenic, oil-free, and fragrance-free What is the difference between an all-physical sunscreen and a physical-chemical sunscreen?  An all-physical sunscreen utilizes sunscreen actives, such as titanium dioxide and zinc oxide, that work by sitting on top of the skin to deflect or block damaging UV rays away from the skin. A physical-chemical sunscreen utilizes a combination of sunscreen actives that include physical blockers and chemical filters to achieve a more elegant and sheer formulation. Chemical filtering sunscreen actives work by absorbing UV rays and converting them into he