Why are nanoparticles in a sunscreen and is that bad? Episode 271

On today’s solo show Perry tackles some audio questions and weighs in on the J&J sunscreen recall. Questions covered include...
How much does zinc oxide affect SPF valuesIs non-nano sunscreen safer?Is it bad for skin if you try different products?Are there things left behind with rinsable hair products?J&J Recalls sunscreens

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