About 41,000 years ago, Homo sapiens may have survived increased solar radiation caused by a weakening magnetic field by using sunscreen-like ochre, tailored clothing, and caves. Neanderthals, lacking these technologies, likely faced greater exposure and disappeared around the same time. Ancient Homo sapiens may have survived a spike in solar radiation about 41,000 years ago …
https://scitechdaily.com/ancient-sunscreen-how-early-humans-survived-a-solar-storm-apocalypse-41000-years-ago/