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.