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Do cosmetic ingredients really penetrate skin? Episode 92

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Please support the Beauty Brains by signing up for a free audio book at Audible.com. Click here to get your free audio book. Do cosmetic ingredients penetrate skin? Chris says…Can you guys talk a little bit about ingredient penetration? Why do some ingredients penetrate skin while others won’t? What mechanisms and conditions are involved? Let’s […]
0:26:30
Publication year
2015
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