Compositions and methods for inducing hair growth and improving hair quality utilizing extracts of blackberry in an amount effective to induce hair growth when applied topically to an area of the skin on which hair growth is desired.以有效量的黑莓萃取物局部塗敷於皮膚上希望毛髮生長的區域來誘發毛髮生長及改善髮質的組成物及方法。