It designates that the constituent for the O/W die emulsion hair where boundary tension is easy to adapt to the hair low is offered as topic.Below (A) and (B) is included in the oil phase, the constituent for the O/W die emulsion hair.(A) HLB value surface active agent of 15 or more(B) lecithin and/or that derivative表面張力が低く毛髪に馴染みやすいO/W型エマルション毛髪用組成物を提供することを課題とする。以下の(A)及び(B)を油相に含む、O/W型エマルション毛髪用組成物。(A)HLB値が15以上の界面活性剤(B)レシチン及び/又はその誘導体