 4 citations
,
  December 2018   in “Macedonian Journal of Chemistry and Chemical Engineering”
           4 citations
,
  December 2018   in “Macedonian Journal of Chemistry and Chemical Engineering”    A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.  
               51 citations
,
  January 2007   in “The journal of investigative dermatology/Journal of investigative dermatology”    Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.  
      December 2022   in “Deleted Journal”
           December 2022   in “Deleted Journal”    Sheep wool keratin solution safely and effectively promotes hair growth.  
      
    Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.  
      40 citations
,
  June 2013   in “Journal of cosmetic dermatology”
           40 citations
,
  June 2013   in “Journal of cosmetic dermatology”    Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.