This post works best as a video. I have other posts from which this one is derived, but I think it's easier to absorb in the video format. And there are some "walk through a day" of humidity to illustrate how it can vary over one day, or from day to day. Because sometimes it's the early morning humidity that gets you!
It's really important to understand how temperature, dew point and relative humidity relate to one another. Then you can begin to interpret your hair's behavior under different conditions.
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References:
Chemical and Physical Behavior of Human Hair
Robbins, 1994. 3rd Ed. Springer-Verlag, New York
Robbins, 1994. 3rd Ed. Springer-Verlag, New York
Gao T. Evaluation of hair humidity resistance/moisturization from hair elasticity. J Cosmet Sci. 2007 Jul-Aug;58(4):393-404. PMID: 17728940.
I didn't realise you were posting regularly again! This is probably the only blog I follow. Thanks for all your research. Can you do an article about cholesterol for hair?
ReplyDeleteHi Zee! Yes, I'm back. Cholesterol for hair in products or in DIY treatments? That sounds interesting. It's on the to-do list. Thanks for sticking with the blog! -W
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