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Three techniques were used to analyze the powder foundations: a spectrophotometer measured color differences; foundation swatches were pressed down on Leneta paper; black-and-white paper used to ...
Three techniques were used to analyze the powder foundations: a spectrophotometer measured color differences; foundation swatches were pressed down on Leneta paper, black-and-white paper used to ...
Three techniques were used to analyze the powder foundations: a spectrophotometer measured color differences; foundation swatches were pressed down on Leneta paper, black-and-white paper used to ...