PROBLEM TO BE SOLVED: To provide an agent for preventing or alleviating pigmentation, which can produce a higher effect of preventing or alleviating pigmentation.SOLUTION: A combination of (A) at least one kind selected from the group consisting of adenosine 5-monophosphate and its salts and (B) at least one kind selected from the group consisting of arbutin, ellagic acid, 4-alkylresorcinols, tranexamic acid, salts of these compounds, chamomile extract and ubiquinone, is used as an agent for preventing or alleviating pigmentation.