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Cosmetics that have medicinal effects, including anti‐inflammatory and antioxidant, have become a daily care routine consumption. The peptide additives, such as carnosine and nicotinamide, were frequently used to realize these medicinal effects. To accomplish rapid and effective quantitation of carnosine and niacinamide in cosmetics, capillary zone electrophoresis was executed in cyclic olefin copolymer...
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