Is water good or bad for hair? There are lots of "hydrating" hair products out there… but lots of hair experts say that water is actually BAD for hair. Let's look at the scientific evidence and work out what's really going on with hair and hydration, with a little detour into porosity and coconut oil.
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0:00 Hydrating products, water and hair bonds
3:21 "Hydrated" hair is a myth
4:59 How "hydrating" products work
6:32 Conditioners don't seal out water
7:38 "Porosity" tests
10:27 Why does hair feel nicer after washing?
12:26 Resetting shape microscopically
12:52 Hygral fatigue is a myth
13:47 What about the studies?
14:29 Coconut oil?
15:31 Low water problems
16:22 What should you do?
Main references shown on screen, article with full reference list coming soon!
🙋🏻 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!
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