How to Protect Your Skin Against UVA | Lab Muffin Beauty Science

UVA is the new UVB! What's the difference, what does it do to your skin (hint: hyperpigmentation, wrinkles and cancer) and how can you protect your skin from it?

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In this video:
* What are the different types of UV?
* What does UVA do to your skin?
* What do PPD, PA, broad spectrum mean on sunscreens?
* Which sunscreen filters protect best against UVA?
* How else can we protect ourselves from UVA?

ERRATUM: At 6:30, it should be 10% or more of the area under the curve needs to lie ABOVE 370 nm for the critical wavelength criteria.

Blog post with more info here: https://labmuffin.com/fact-check-why-...

References
Gordon JR & Brieva JC, N Engl J Med 2012, 366, e25. https://doi.org/10.1056/NEJMicm1104059
Sayre RM et al., Photodermatol Photoimmunol Photomed 2008, 24, 218-20. https://doi.org/10.1111/j.1600-0781.2...
Wang SQ et al., J Am Acad Dermatol 2017, 77, 42-47. https://doi.org/10.1016/j.jaad.2017.0...
Osterwalder U & Herzog B, Photochem Photobiol Sci 2010, 9, 470-81. https://doi.org/10.1039/b9pp00178f

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Lab Muffin Beauty Science is a channel by me, Michelle - I'm a chemistry PhD and beauty lover, here to explain how beauty products work, debunk myths, and help you make smarter decisions about your skincare, hair and makeup!

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