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Background: Finding alternative hair dyes for individuals allergic to para-phenylenediamine (PPD) has been difficult. Newer permanent and demipermanent hair dyes that have replaced PPD with para ...
Contribution from the Department of Chemistry, University of Kansas, Lawrence, Kansas 66045, Department of Structural Molecular Biology, Institute of Scientific and Industrial Research, Osaka ...
Department of Chemistry, The University of New Mexico, MSC03 2060, 1 University of Mexico, Albuquerque, New Mexico 87131-0001, and Department of Chemistry and Biochemistry, Southwest Texas State ...