Viral Controversies: Sunscreen, Seed Oils, and Social Media

A dermatologist discusses an Instagram video that went viral showing her at the beach in extensive sun-protective gear (UPF clothing, tights, balaclava, reflective face visor) with text about a UV index of 5, which triggered controversy, insults, and misinformation. She addresses claims that UV doesn’t cause skin cancer, that seed-oil avoidance makes sun exposure safe, that sunscreen causes cancer, and that heavy sun protection will cause vitamin D deficiency. She explains how UV causes DNA d...