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:    • Biggest Skincare Myths and What to Do Inst...   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/f... https://jamanetwork.com/journals/jama... Blog post with more references here: https://labmuffin.com/top-7-sunscreen... ‎ 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   / labmuffinbeautyscience   Facebook   / labmuffin   Twitter   / 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:    • Biggest Skincare Myths and What to Do Inst...   Sun Protection Playlist:    • Sunscreen Science   How to Protect Your Skin Against UVA:    • How to Protect Your Skin Against UVA | Lab...   Protecting Your Skin From Visible Light:    • How to Protect Your Skin From Visible Ligh...   Blue Light From Screens and Skin:    • Is Blue Light From Phones Hurting Your Ski...   Is Your Sunscreen Killing Coral?    • Reef-Safe Sunscreen? The Science | Lab Muf...   Is High SPF Sunscreen Better?    • Is High SPF Sunscreen Better? Lab Muffin B...   Chemical vs Physical Sunscreen:    • Chemical vs Physical Sunscreens: The Scien...   Sunscreen and Vitamin D:    • How to Get Vitamin D and Stay Sun-Safe | L...   Using Sunscreen and Make-up Together:    • How to Use Sunscreen and Make-up Together ...   Why DIY Sunscreen Doesn't Work:    • Why DIY Sunscreen Doesn't Work | Lab Muffi...   Blog post for this video with more info: https://labmuffin.com/top-7-sunscreen... ‎ ---SKINCARE GUIDE--- The Lab Muffin Guide to Basic Skincare is here! Find out more: https://labmuffin.com/skin