Shedding Light on the Science of Sunscreen

12:03 minutes

Before you lather up the sunscreen this summer, do you know how SPFs and UVs work? Skincare scientist James SaNogueira breaks down sunscreen science, from how creams and sprays block out harmful radiation, to deciphering SPFs.

Segment Guests

James SaNogueira

James SaNogueira is senior director of skincare research and development at Energizer in Allendale, New Jersey.

Meet the Producer

About Alexa Lim

Alexa Lim was a senior producer for Science Friday. Her favorite stories involve space, sound, and strange animal discoveries.

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