A ceramide production enhancer and a moisturizer containing, as an active ingredient, an extract of at least one plant selected from the group consisting of Chenopodium hybridum, Melia toosendan, Indigofera tinctoria, Cirsium japonicum, Catalpa ovata, and Tagetes erecta, or a compound represented by the following Formula (1): wherein, R represents an acyl group having 1 to 5 carbon atom(s).