PROBLEM TO BE SOLVED: To provide a treatment agent for the correction of deformed nails which is used in correcting and repairing deformed nails.SOLUTION: The treatment agent is used in correcting and repairing a deformed nail with a deformed nail correction tool. The agent is in the state of ointment, gel or liquid, is applied onto at least the nail plate of the deformed nail part, and can soften the nail, the agent comprising at least one keratin softener selected from the group consisting of acidic keratin softeners having nail softening ability.【課題】変形爪を矯正修復する際に用いられる、変形爪矯正用処理剤の提供。【解決手段】変形爪矯正具を用いて変形爪を矯正治療する際に使用される、軟膏またはゲル状または液状であって、少なくとも該変形爪部の爪甲面へ塗布し、爪を軟化できる、爪の軟化能を有する酸性角質軟化剤群から選択された少なくとも一種の該角質軟化剤を含有して成してある。
