The Chemistry of Haircolor Review
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50:49
Fundamentals of Color Formulation Tutorial
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14:18
Structure of Hair Review
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17:28
Chemistry of Perms Vs. Relaxers Review
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4:08
Faces of Chemistry: Hair colourants (Procter & Gamble) - Video 2 (14+)
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4:51
How Does Hair Dye Work?
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21:10
Chemistry of Cosmo Pt 1
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9:19
Acid Vs Alkaline Perms Cosmetology Review
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44:22