Discover the truth behind SPF boosters like butyloctyl salicylate, tridecyl salicylate, polyester-8,
ethylhexyl methoxycrylene, and ethyl ferulate in sunscreens. These chemical analogs are increasingly found in both mineral and chemical sunscreens, often used to reduce the concentration of active UV filters like zinc oxide. Learn how these ingredients affect sunscreen performance and whether they compromise true all-mineral formulations.
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