Natural hair dye. For years I thought ‘pffft that’s going to be useless’. I was wrong. Not only does it work a treat, but it also appears to be much kinder for your hair!
In this video I review and do a short ‘how-to’ for the LUSH Caca Rouge Henna Block (which I paid for myself – this video is in no way sponsored!) and try to get to the bottom of how Henna actually works!
Read my blog post for more information!
http://www.scienceshewrote.com/2016/06/happy-hair-with-henna.html
If you would like to see more videos about the science behind beauty products, please give this video a thumbs up and subscribe 🙂
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Previous videos:
Menstrual Cups: 10 Things That No-One Really Talks About (https://www.youtube.com/watch?v=5vT42eSgFLk)
Vegan Cow’s Milk? (https://www.youtube.com/watch?v=q74kXAaAmqY)
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Check out my blog at: http://www.scienceshewrote.com
Recent posts:
* What an Excellent Day for an Exorcism! – Allotriophagy and Possession (http://www.scienceshewrote.com/2016/07/what-excellent-day-for-exorcism.html)
* Knit Happens – How crafts can reduce stress and improve your health (http://www.scienceshewrote.com/2016/06/knit-happens-how-crafts-can-reduce.html)
* Your brain…on drugs – Are the effects of ayahuasca portrayed in the TV series Scream scientifically accurate? (http://www.scienceshewrote.com/2016/06/in-shocking-season-2-episode-happy.html)
* Neolution Follows the Science: Gene Therapy and Orphan Black (http://www.scienceshewrote.com/2016/06/neolution-follows-science-gene-therapy.html)
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Music and SFX:
‘Cheese’ by David Szesztay
(freemusicarchive.org)
‘Ukulele’ by www.bensound.com
SFX from freesound.org
Images
Hair structure – My own diagrams/animations. Please contact me if you would like to re-use these.
Note paper: https://www.flickr.com/photos/davegray/147874576
Henna plant: Lawsonia Inermis (Henna) Plant: 235uranium (Wikipedia)
Lawsone molecule structure: Wikipedia
Henna block: Google Images
Henna Powder: Wikipedia
Licensed under Creative Commons 1.0 (Public Domain) or Creative Commons 3.0 (Attribution)
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Websites mentioned:
LUSH (https://uk.lush.com)
Mehandi.com (http://mehandi.com)
Henna Chemistry Blog post (http://cthuliz.com/blog/?p=2624)
Safety report on Lawsone: http://ec.europa.eu/health/scientific_committees/consumer_safety/docs/sccs_o_140.pdf
A Quantitative Study of Dyeing with Lawsone:
http://journal.scconline.org/pdf/cc1994/cc045n03/p00159-p00165.pdf
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*This is NOT a sponsored video*
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Disclaimer:
ScienceSheWrote is purely for scientific interest and should not be used to diagnose medical conditions or inform your healthcare choices. If you require healthcare or medical advice, please contact a registered medical professional. All opinions expressed are solely the view of Science She Wrote. Any reviews presented are honest, and no posts are sponsored unless otherwise stated.
