TikTok's skincare "science" is WILD

People on TikTok love testing skincare products on anything but skin. Apples, bread, paper, betadine, pH strips, UV cameras, phone apps - which ones actually work? Surprisingly, a few! I talk about the science behind why. 🤓📖 Check out my book! The Science of Beauty https://geni.us/TheScienceOfBeauty Subscribe for videos every fortnight: http://bit.ly/labmuffinyt 0:00 Intro, testing sunscreen on toast 3:25 Can you test lip balm on paper? 9:25 pH testing Vaseline 12:24 pH testing vitamin C serums 15:12 Betadine (iodine) test for vitamin C 18:00 Vitamin C and apples 21:53 Sunscreen tests (OneSkin): UV sensor, UV cameras 32:20 "Acne-safe" makeup app 35:48 Yuka ratings for sunscreen 42:38 Dermatologist does every test to show which serums "actually work", I guess? 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! Website https://labmuffin.com Instagram https://instagram.com/labmuffinbeautyscience TikTok https://www.tiktok.com/@labmuffinbeautyscience Threads. https://threads.net/labmuffinbeautyscience Shop my favorite products: https://shopmy.us/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 Debunking the worst haircare misinformation on TikTok https://youtu.be/gLttCDPCADY Debunking the worst sunscreen misinformation on TikTok https://youtu.be/wCPp8EJSG-Y&t No TikTok, skincare is not killing you https://youtu.be/2DVcs9kP97s Rosemary oil for hair growth? How to spot bad science https://youtu.be/SW2NCv_vF2Q How Valisure convinced everyone to throw out their skincare https://youtu.be/qIupQnxrD4U I tried influencers' Korean skincare recommendations https://youtu.be/uL54E_kxReA US sunscreens "aren't safe" in the EU https://youtu.be/h5Ta6T2DmRQ Ranking Reddit's top skincare products https://youtu.be/1zWB5jy8h0c Stop drying your hair wrong https://youtu.be/1Oo1syciUQ4 Spray sunscreens are worse than we thought https://youtu.be/vL9ybUpAdu0 🧴 SKINCARE GUIDE 🧴 Find out more: https://labmuffin.com/skin