Chemistry For Your Life

Does lotion really hydrate dry skin?

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Melissa and Jam discuss the science behind moisturizers and how they help with dry skin. The conversation covers the role of occlusives like petroleum jelly, humectants such as glycerin, and emollients in skincare. They also explore the importance of staying hydrated and the effect of environmental factors on skin moisture. Listeners can learn about the distinct mechanisms that moisturizers use to keep skin hydrated and healthy.

00:00 Introduction and Personal Experiences with Dry Skin

01:23 Understanding Moisturizers: What Do They Really Do?
01:56 Welcome to Chemistry for Your Life
02:07 Shoutout to Our Newest Community Member
03:37 Transitioning from Summer to Winter: The Importance of Moisturizers
04:27 The Science Behind Moisturizers: Intermolecular Forces
08:20 How Moisturizers Work: Trapping Moisture and Skin Oils
11:23 The Role of Water and Oils in Skin Hydration
21:22 Understanding Humectants
23:06 The Role of Occlusives in Skincare
24:03 Exploring Emollients
26:34 The Importance of Moisturizing
27:14 Chemistry Behind Moisturizers
28:50 Personal Experiences and Tips
44:41 Final Thoughts and Community Shoutouts

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References from this episode:

  1. https://www.compoundchem.com/2015/07/21/moisturisers/
  2. https://pubmed.ncbi.nlm.nih.gov/29319217/
  3. https://onlinelibrary.wiley.com/doi/epdf/10.1111/jocd.12490#accessDenialLayout
  4. https://illumin.usc.edu/the-chemistry-behind-moisturizers/
  5. https://research-ebsco-com.libproxy.library.unt.edu/c/id67n2/viewer/pdf/2oe2i2o6qn?route=details
  6. https://www.acs.org/pressroom/reactions/library/moisturizer.html

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