A hair styling composition containing bamboo extract is provided to prevent hair breakage and maintain desiring hair style in a long time. A hair styling composition comprises 0.1~20 weight% of bamboo extract and 0.1~30 wieght% of setting agent. The composition also comprises water or ethanol solvent. The setting agent is polyvinylpyrrolidone, polyvinylpyrrolidone/vinylacetate copolymer, vinylpyrrolidone/methacrylamide/vinylimidazole copolymer, polyvinylalcohol, polyethnyleneglycol, poly quaternium, methacryloylethybetaine/methacrylate copolymer, acrylate/octyl acrylamide copolymer, acrylate/t-butylacrylamide copolymer, or octyl acrylamide/acrylate/butylaminoethylmethacrylate. The composition is used in a form of gel, mousse or spray.본 발명은 정발제 조성물에 관한 것으로서, 보다 상세하게는 대나무 추출물을 함유함으로써 모발의 강도를 강화시켜 스타일 연출시 자주 발생하는 모발 끊어짐을 방지하고 연출된 헤어스타일의 지속성을 향상시켜 원하는 헤어스타일을 오랫동안 유지시켜 주는 정발제 조성물에 관한 것이다.