The present invention discloses a hair regeneration method, which is first preparing a spray can, filling liquid in the spray can, so the liquid may be ejected through the spray can. By pressing the spray can, the liquid stored in the spray can may be sprayed onto the head of a user in an atomized manner, so the liquid may be evenly distributed on the scalp of the user then, holding the users head steady to make the liquid to be completely absorbed by the scalp waiting for the scalp to be dried before moving. Then, according to the users requirement, the processes of spraying liquid and waiting for absorption may be repeated several times. Thus, the present invention may stimulate the scalp of the user and increase the growing speed of hair, thereby providing a hair regeneration method for stimulating the hair growth effect.一種頭髮再生方法,其係先準備一噴霧罐,於該噴霧罐中裝填一液體,使該液體能經由該噴霧罐噴出,透過按壓該噴霧罐的方式,將儲存於該噴霧罐中的液體以霧狀方式噴灑於一使用者的頭部,讓液體能均勻分佈於該使用者的頭皮上,並且使用者的頭部保持不動,讓液體能完全被頭皮所吸收,並待頭皮乾燥後才能進行移動,再根據使用者需要,重複上述噴灑液體及等待吸收等流程數次,以刺激使用者的頭皮,提高毛髮的生長速度,進而提供一能促進生髮效果的頭髮再生方法。