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In the ingredient descriptions: Good means that I like to see this in a product's list of ingredients. Okay means this product appears safe for a curly person like me to use. Caution means that this ingredient may not be good in some hair care products, or for some people. Avoid means this ingredient may hurt your hair. If you see this ingredient in a hair product, it's best to put it down and walk away.
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Jojoba Oil
(aka Jojoba Liquid Wax; Simmondsia Chinensis; Simmondsia Chinensis Seed Oil; Buxus chinensis)
Good
Jojoba oil is actually a liquid wax, not an oil. It's taken from the bean-like seeds of a shrub native to deserts in the Western US ( Simmondsia chinensis). It's used as an emollient, and not known to be toxic or irritating. It's a pale to golden yellow, very little scent, and isn't water soluble. This is also a very stable oil, and doesn't become rancid [Hunting (Conditioning) pgs 253-254; Winter 7th ed., pg 312].
Emollient oil. Surprisingly, it doesn't penetrate like olive oil, coconut oil, avocado oil, or meadowfoam seed oil. Polyunsaturated oil. More open structure so it doesn’t pass through the layers of cuticle easily. It has little effect on the cuticle, so you still need a slippery ingredient in the conditioner to comb through hair. And nothing can repair hair once it's been damaged [Beauty Brains book pg 7 (quoting from an article from the Journal of Cosmetic Science 52, pgs 169-184), 2001)].
This is in one of my favorite, go to conditioners that I've been using for well over ten years, and another conditioner I've been using regularly for about five years. It has not caused any problems as far as conditioning and defining my hair. That's why I'm calling it a
* * * Tried and true ingredient * * *
See also:
Waxes
Source(s):
Beauty Brains Hunting Winter http://www.theBeautyBrains.com
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References:
Applewhite, Thomas H., ed. Proceedings of the World Conference on Lauric Oils: Sources, Processing, and Applications
AOCS Publishing, 1994.
Barel, André O., Marc Paye, and Howard I. Maibach., eds. Handbook of Cosmetic Science and Technology, Second Edition
Marcel Dekker, Inc., 2001.
Begoun, Paula. Don’t Go Shopping for Hair-Care Products Without Me. 3rd Edition.
Renton: Beginning Press, 2005.
Begoun, Paula. The Beauty Bible.
Renton: Beginning Press, 2002.
Begoun, Paula. Don’t Go to the Cosmetics Counter Without Me.
Renton: Beginning Press, 2003.
Bellum, Sarah, ed. The Beauty Brains: Real Scientists Answer Your Beauty Questions
New York: Brains Publishing, 2008.
Gottschalk, Tari E. and McEwen, Gerald N, Jr. PhD, eds. International Cosmetic Ingredient Dictionary and Handbook, Tenth Edition 2004, Volumes 1-4.
Washington D. C.: The Cosmetic, Toiletry, and Fragance Association, 2004.
Halal, John Hair Structure and Chemistry Simplified, Fifth Edition
Albany: Milady, 2002.
Hunting, Anthony L.L. Encyclopedia of Conditioning Rinse Ingredients.
Cranford, NJ: Micelle Press, Inc., 1987.
Hunting, Anthony L.L. Encyclopedia of Shampoo Ingredients.
Cranford, NJ: Micelle Press, Inc., 1983.
Johnson, Dale H. (Ed.). Hair and Hair Care, Cosmetic Science and Technology Series. Vol. 17.
New York: Marcel Dekker, 1997. Print.
Nnanna, Ifendu A. and Jiding Xia., eds. Protein-Based Surfactants: Synthesis: Physicochemical Properties, and Applications (Surfactant Science)
Madison Heights: CRC, 2001.
Quadflieg, Jutta Maria. Fundamental properties of Afro-American hair as related to their straightening/relaxing behaviour.
Diss. U of Rheinisch-Westfälischen Technischen Hochschule Aachen, 2003.
Schueller, Randy and Perry Romanowski, eds. Conditioning Agents for Hair and Skin.
New York: Marcel Dekker, Inc., 1999.
Winter, Ruth M.S. A Consumer's Dictionary of Cosmetic Ingredients: Complete Information About the Harmful and Desirable Ingredients Found in Cosmetics and Cosmeceuticals
New York: Three Rivers Press, 2005.
Zviak, Charles., ed. The Science of Hair Care (Dermatology)
New York: Marcel Dekker, Inc., 1986.
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