Friday Favorites: Does Sunscreen Cause or Prevent Skin Cancer? Which Type Is Best to Use?

Friday Favorites: Does Sunscreen Cause or Prevent Skin Cancer? Which Type Is Best to Use?

July 3, 2026 · 12 min

About this episode

The episode discusses the effectiveness of sunscreen in preventing skin cancer and highlights the FDA's stance on safe ingredients.

Sunscreen is put to the test in a randomized controlled trial to see if it can actually prevent skin cancer. According to the U.S. Food and Drug Administration, only two sunscreen ingredients can be considered safe: zinc oxide and titanium dioxide.

People in this episode

Host: Michael Greger, M.D. FACLM

Topics covered

Mentioned in this episode

Organizations: U.S. Food and Drug Administration

Products: zinc oxide, titanium dioxide

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