March 2005   in “Journal of the American Academy of Dermatology”    Adding amino acids to damaged hair can improve its strength and appearance.  
     
           March 2005   in “Journal of the American Academy of Dermatology”    Bexarotene 1% topical gel helped some patients with alopecia areata regrow hair.  
               25 citations
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  January 2013   in “Colloids and surfaces. B, Biointerfaces”    Hair dye colors mainly target melanin granules in black hair.  
     
           35 citations
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  July 2009   in “Optics express”    Researchers created a new light source that improves chemical imaging by removing background noise.  
     
           8 citations
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  January 2012   in “International journal of polymer analysis and characterization/IJPAC. International journal of polymer analysis and characterization/IJPAC. International journal of analysis and characterization”    Hydrogenated palm oil repairs and conditions damaged hair by preventing swelling.