The Physics of Sunscreen: Why It’s Not Actually a "Mirror"

Описание: You’ve been told that mineral sunscreens act like mirrors, reflecting the sun away. You’ve been told that "chemical" filters are dangerous sponges. Both are mostly myths. The truth is far more fascinating—and it involves quantum physics.
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In this episode of CosmetoScope, we deconstruct the energy-management system you apply to your face every morning. We go beyond the marketing labels to explore the "Band Gap" of semiconductors like Zinc Oxide and the electronic excitation of aromatic organic molecules. Why is the US sunscreen market 20 years behind Europe? How does a molecule turn a dangerous photon into harmless heat? We’re doing a full physics autopsy on SPF.
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What you'll learn :
​The Mirror Myth: Why inorganic filters are actually semiconductors.
​Ground vs. Excited State: How organic molecules "swallow" radiation.
​The 500 Dalton Rule: Why modern European filters are safer and more stable.
​The FDA vs. The World: Why the US hasn't seen a new UV filter since 1999.
​Coating Nanoparticles: How we prevent minerals from generating free radicals.

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