Broad-spectrum sunscreen protects against two key types of ultraviolet (UV) rays: UVA and UVB. Both UVA and UVB rays affect the skin, but in different ways. In this video, learn the effects of UVA and UVB radiation and how to protect your skin.
References
American Academy of Dermatology Association. (n.d.). How to prevent skin cancer.
American Academy of Dermatology Association. (n.d.). How to select a sunscreen.
American Cancer Society. (2019). Ultraviolet (UV) radiation.
Gruber, P., et al. (2023). Skin cancer. StatPearls.
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Written by:
Lauren Smith, MALauren Smith, MA, has worked in health journalism since 2017. Before joining GoodRx, she was the senior health editor and writer for HealthiNation.

Reviewed by:
Sarah Gupta, MDSarah Gupta, MD, is a licensed physician with a special interest in mental health, sex and gender, eating disorders, and the human microbiome. She is currently board certified by the American Board of Psychiatry and Neurology.
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