Abstract: The present invention relates to a composition for ameliorating, preventing or treating alopecia, comprising a catechin 7-O-?-D-apiofuranoside compound as an active ingredient. The compound of the present invention inhibits the production of dihydrotestosterone (DHT) converted from testosterone by 5-alpha-reductase in human-derived dermal papilla cells, and inhibits the apoptosis induced by oxidative stress in dermal papilla cells, and accordingly, can be used as an active ingredient for the treatment, prevention, or amelioration purposes.