Top 7 Sunscreen and SPF Myths | Lab Muffin Beauty Science

Every summer brings with it sunshine, and more SPF myths than you ever asked for. Here's a breakdown of my top 7 sunscreen myths. Subscribe for videos every fortnight: http://bit.ly/labmuffinyt Let me know which myths I've missed in the comments! This is the second of my #skincaremyths series - the first is here: https://youtu.be/qjIRcz8g2Pk Myths covered: * SPF 30 and SPF 50 aren't that different * DIY sunscreen is effective * Sunscreen is bad for your health * Chemical sunscreen needs to be applied to bare skin * SPF-rated makeup gives good protection * Layering products with SPF doesn't work * You only need to reapply sunscreen if you've been in the sun A couple of very good open-access references: https://onlinelibrary.wiley.com/doi/full/10.1111/1753-6405.12873 https://jamanetwork.com/journals/jamadermatology/article-abstract/2661597 Blog post with more references here: https://labmuffin.com/top-7-sunscreen-myths-video/ ‎ Skincare guide with sunscreen sample chapter: https://labmuffin.com/skin ----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! ----FOLLOW---- Blog https://labmuffin.com Instagram https://instagram.com/labmuffinbeautyscience Facebook https://facebook.com/labmuffin Twitter https://twitter.com/labmuffin ------------------------------------- Want smooth, glowing skin? Grab a copy of my FREE Essential Guide to Exfoliation! https://labmuffin.com/exfol ------------------------------------- ----RELATED POSTS AND VIDEOS---- Free exfoliation guide https://labmuffin.com/free-guide Sample chapter on sunscreens from my Skincare Guide: https://labmuffin.com/skin Biggest Skincare Myths and What to Do Instead: https://youtu.be/qjIRcz8g2Pk Sun Protection Playlist: https://www.youtube.com/playlist?list=PLbpMGOFlpHNA1G35ggBDgO-XZK6lamZj3 How to Protect Your Skin Against UVA: https://youtu.be/qQO9pOYapnM Protecting Your Skin From Visible Light: https://youtu.be/XYrylZkmT_w Blue Light From Screens and Skin: https://youtu.be/ZnpdmXm5oxc Is Your Sunscreen Killing Coral? https://youtu.be/b9zVfj8Q2pk Is High SPF Sunscreen Better? https://youtu.be/5ISHlw7j3t0 Chemical vs Physical Sunscreen: https://youtu.be/iK0FSmrR-gA Sunscreen and Vitamin D: https://youtu.be/CAqRMr47KWk Using Sunscreen and Make-up Together: https://youtu.be/XULpx1jaREo Why DIY Sunscreen Doesn't Work: https://youtu.be/aTNcbLHZusc Blog post for this video with more info: https://labmuffin.com/top-7-sunscreen-myths-video/ ‎ ----SKINCARE GUIDE---- The Lab Muffin Guide to Basic Skincare is here! Find out more: https://labmuffin.com/skin