As for this invention, form of the hair karihea and/or the true tsu it is possible from the habit hair by jointly using with mechanical reform and the said solution which use the hair reform iron which is set to the temperature of approximately 200 30 in regard to processing the human hair making use of the glyoxylic acid solution, immediately to change to the hair semipermanently, 6 times continuing the state at least with the water and the shampoo washing to maintain, it is possible.< Selective figure >It is not本発明は、グリオキシル酸溶液を用いてヒト毛髪を処理することに関し、約200℃±30℃の温度に設定された毛髪矯正アイロンを用いた機械的矯正と該溶液とを併用することによって、毛髪の形状をカーリーヘア及び/又は癖毛から真っ直ぐな毛髪へと半永久的に変えることができ、その状態を水とシャンプーで少なくとも6回続けて洗浄しても維持することができる。【選択図】なし