Sunscreens - 80 percent are ineffective or possibly harmful Created May 2015 On this page 80% of sunscreens are useless or harmful, says EWG Mother Nature NetworkEnvironmental Working Group 2015 Guide to Sunscreens217 Sunscreens which were OKSee also Vitamin D LifeWays to block UVA but not the UVB which makes vitamin DSunscreen in a pill (with low SPF) Melanoma huge increase - perhaps due to use of sunscreen or lower vitamin D - Aug 2014 - free bookUV spectra of the sun and sunscreens Tags: Skin