research Simultaneous RP-HPLC-DAD Determination of Dansyl Amino Acids in Chemically Treated Human Hair 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.
research Alopecia Areata: Treatment of Today and Tomorrow 48 citations, June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Contact sensitizers like DCP and SADBE are the most effective treatments for alopecia areata.