Provided is a hair treatment composition for thickening hair and/or repairing the hair surface. The present invention provides a hair treatment composition for thickening hair and/or repairing the hair surface. The hair treatment composition comprises a cationic active agent and/or glyoxylic acid as an effective component. The present invention also provides a method for thickening hair and/or repairing the hair surface, comprising applying this composition to hair.本發明提供一種用於將毛髮加粗及/或修復毛髮表面之毛髮處理組合物。本發明提供一種含有陽離子活性劑及/或乙醛酸作為有效成分之用於將毛髮加粗及/或修復毛髮表面之毛髮處理組合物。又，本發明亦提供一種包括將該組合物應用於毛髮之用於將毛髮加粗及/或修復毛髮表面之方法。
