Dr Michelle Wong - Beauty Science on Instagram: "#stitch with @doctormyro A lot of chemical sunscreen fear is because of animal/in vitro studies taken out of context, without comparing the amounts in those studies to the amounts we're exposed to from using sunscreens. Safety limits are set with massive buffers (100-fold margin of safety, from e.g. the no observed adverse effect level). It's also important to consider the downsides of the alternatives - mineral sunscreens have a lot of drawbacks,