THE CHLORINE-HAIR INTERACTION 97 Figure la. Blond hair, untreated control. Figure lb. Blond hair, bleached only. Figure lc. Blond hair, dyed only. Figure ld. Brown hair, permed only.
98 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Figure 2a. Blond hair, control, 30 cycles of chlorination. Figure 2b. Blond hair, prebleached, then 30 cycles of chlorination.
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