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Does retinol in skincare even work?

Does the best skincare ingredient even work? Some scientists and dermatologists say there's no trustworthy scientific evidence to back up retinol. Let's look at the evidence for retinol, and why skincare science might look a bit sketchy. 🤓📖 PRE-ORDER MY BOOK: The Science of Beauty https://geni.us/TheScienceOfBeauty Subscribe for videos every fortnight: http://bit.ly/labmuffinyt 0:00 The case against retinol 1:04 What is retinol? 2:35 The dang government 4:33 Why isn't retinol a drug? 5:34 Cash Rules Everything Around Me 10:24 The evidence for retinol 15:11 What about other ingredients? How to start on retinoids:    • How to Start on Retinoids | Lab Muffi...   Ultimate vitamin C guide:    • Ultimate Vitamin C Skincare Guide Par...   My skincare eBook: https://labmuffin.com/skin Article with more info and full reference list: https://labmuffin.com/does-retinol-wo... 🙋🏻 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   / labmuffinbeautyscience   Facebook   / labmuffin   Twitter   / labmuffin   TikTok   / labmuffinbeautyscience   ✨ Want smooth, glowing skin? Grab a copy of my FREE Essential Guide to Exfoliation! https://labmuffin.com/exfol 🧴 My favourite products (affiliate links): https://shopmy.us/labmuffin Powered By Chemicals Mugs: https://labmuffin.com/shop/ 📺 RELATED POSTS AND VIDEOS Free exfoliation guide https://labmuffin.com/free-guide How to start on retinoids:    • How to Start on Retinoids | Lab Muffi...   Ultimate vitamin C guide:    • Ultimate Vitamin C Skincare Guide Par...   Busting retinoid myths    • Busting Retinoid Skincare Myths | Lab...   Do you need sunscreen indoors?    • Do You Need to Wear Sunscreen Indoors...   Do sunscreen sticks work? The science    • Do sunscreen sticks work? The science   ASAP Science reaction: the only face cream that works    • Scientist reacts: The ONLY face cream...   Easy DIY Vitamin C Serum    • Easy (5 Minute) DIY Vitamin C Serum |...   Clean beauty is a scam    • Clean Beauty Is a Scam and Won't Give...   Every sunscreen question answered    • Every Sunscreen Question, Answered (A...   Ranking Reddit's top Asian skincare products    • Chemist Ranks Reddit's Top Asian Skin...   What everyone gets wrong about shampoo    • Scientist explains: What everyone get...   Ranking Reddit's top skincare tips    • Scientist Ranks Reddit's Top Skincare...   Top sunscreen recommendations    • Top Sunscreen Recommendations   Article with more info and full references: https://labmuffin.com/does-retinol-wo... 📖 Key references https://www.mdedge.com/podcasts/derma... https://doi.org/10.1177/1740774515625964 https://doi.org/10.1016/s0190-9622(98... https://doi.org/10.1111/j.1600-0625.1... https://doi.org/10.1016/S0021-9258(20... Full reference list: https://labmuffin.com/does-retinol-wo... 🧴 SKINCARE GUIDE 🧴 Find out more: https://labmuffin.com/skin