You put your sunscreen on, apply makeup over it... but you're meant to reapply sunscreen every 2 hours. How do you reapply without messing up your makeup? And do you really need to reapply it? This video has your answers!

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In this video:
☀️ Why do you need to reapply sunscreen?
☀️ How much protection do you have after 2 hours?
☀️ My situation-based approach to reapplication
☀️ Which product for reapplication? Foundation vs powder vs spray vs lotion
☀️ Sunscreen reapplication demonstration

Blog post for this video with more info, references etc: https://labmuffin.com/how-to-reapply-...
Sunscreen ingredient table download (free eBook sample chapter): https://labmuffin.com/skin
Sunscreen protection beyond 2 hours in indoor workers: https://doi.org/10.1080/09546634.2018... (shoutout to @kindofstephen for sharing this!)
Average amounts of powder and foundation: https://doi.org/10.1016/j.fct.2006.06..., http://ofmpub.epa.gov/eims/eimscomm.g...
Colorescience data: https://www.regulations.gov/document?...
James and Robert Welsh reapplying sunscreen:    • THIS Is How To Reapply Sunscreen Over...  

---ABOUT---
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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Colorescience Sunforgettable Total Protection SPF 50 Mineral Sunscreen Brush: https://amzn.to/3fi8bCt
Neutrogena Ultra Sheer Face Mist SPF 55: https://amzn.to/31373O2
Soleil Toujours SPF 30 Set + Protect Micro Mist: https://amzn.to/30elLCp
Bioderma Hydrabio Eau de Soin SPF 30: https://amzn.to/2XbaMI0
Cushion applicators: https://amzn.to/39JQNW6
Klairs Sofy Airy UV Essence SPF 50+: https://amzn.to/2Xf11ZA
Powered By Chemicals Mugs: https://labmuffin.com/shop/

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Blog post for this video with more info: https://labmuffin.com/how-to-reapply-...

Editor: Matthew Lucis silver-stitch.com

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The Lab Muffin Guide to Basic Skincare is here! Find out more: https://labmuffin.com/skin