Uses of an extract of cocoa rind in the manufacture of a tanning agent and a black hair agent are disclosed. The extract of cocoa rind is manufactured by extracting a sample of cocoa rind by a 50-75% aqueous ethanol solution as an extractant.一種可可殼萃取物的用途,係應用於製備仿曬製劑及黑髮劑,其中,該可可殼萃取物係由濃度為50~75%之一乙醇水溶液作為一萃取溶劑,萃取一可可殼樣品所獲得。