Do sunscreen sticks work? The science

How much of a sunscreen stick do you need to apply? I did some experiments to find out, and I was pretty shocked at the results. Subscribe for videos every fortnight: http://bit.ly/labmuffinyt In this video: 0:00 Background 1:53 Amount applied, SPF and application time 4:31 Number of passes on the face 5:09 Number of passes on the arm 5:50 Main form of sunscreen? 6:38 Missed spots 7:58 Conclusions Blog post with full experimental procedures here: https://labmuffin.com/how-to-apply-sunscreen-stick/ Powered By Chemicals Mugs: https://labmuffin.com/shop/ 🙋🏻 I'm Michelle, a chemistry PhD, cosmetic chemist and science educator, here to explain how beauty products work, debunk myths, and help you make smarter decisions about your skincare, hair and makeup! Blog https://labmuffin.com Instagram https://instagram.com/labmuffinbeautyscience Facebook https://facebook.com/labmuffin Twitter https://twitter.com/labmuffin TikTok https://www.tiktok.com/@labmuffinbeautyscience ✨ Want smooth, glowing skin? Grab a copy of my FREE Essential Guide to Exfoliation! https://labmuffin.com/exfol 🧴 PRODUCTS (affiliate links) Tocobo Cotton Soft Sun Stick SPF 50+ PA++++: https://go.shopmy.us/p-1190160 Abib Quick Sunstick Protection Bar SPF 50+ PA++++: https://go.shopmy.us/p-1190162 Benton Mineral Sun Stick SPF 50+ PA++++: https://go.shopmy.us/p-1190164 Shop more of my favourite products here: https://shopmy.us/labmuffin Powered By Chemicals Mugs: https://labmuffin.com/sho