For complete Broad Spectrum Protection, sunscreens must protect against both UVA and UVB sun rays.
Zinc Oxide is the only ingredient rated by the FDA as "extensive" at protecting against both UVA and UVB rays.
Solar Sense Clear Zinc sunscreens combined Zinc Oxide with chemical sunscreens to provide the most advanced Broad Spectrum Protection to effectively protect skin from both UVA and UVB rays!