Phenyl Methyl Pyrazolone, N,N-Bis(2-Hydroxyethyl)-P-Phenylenediamine Sulfate, M-Aminophenol, 4-Amino-2-Hydroxy-Toluene Step 1.Carry out an allergy test 48 hours before colouring Step 2. Pour the ...

School of Pharmacy, University of Camerino, via Madonna delle Carceri, Camerino, MC 62032, Italy ...

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