PROBLEM TO BE SOLVED: To solve such problems that, even after washing away a hair dye or permanent wave agent applied to the hair, there has been a possibility that these toxic components may remain on a hair surface, the inside, or a scalp, and these toxic components not only deteriorate the hair quality, but also put a heavy burden on a liver and a kidney, causing concern that it may cause allergic reactions and cancer, and techniques for attenuating or detoxifying these toxic components with safe and secure natural products have been sought.SOLUTION: The present invention provides a hair and/or scalp cosmetic agent characterized in that an aqueous solution of natural salt is used as an active ingredient, and the natural salt is a mixture of Himalayan rock salt and Dead Sea salt. The present invention also provides a hair and/or scalp cosmetic method using the hair and/or scalp cosmetic agent.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】毛髪に塗布した染毛剤やパーマネントウェーブ剤を洗い流した後でも、上述の有害成分が毛髪表面又は内部若しくは頭皮に残留する可能性があった。これらの有毒成分によって髪質が悪化するだけでなく、肝臓や腎臓に多大な負担がかかり、アレルギー反応や癌の原因となることが懸念されていた。安全安心な天然物によって、これらの有毒成分を弱毒化又は無毒化する技術が求められていた。【解決手段】本発明は、天然塩の水溶液を有効成分とし、天然塩が、ヒマラヤ岩塩及び死海塩の混合物であることを特徴とする毛髪及び/又は頭皮美容剤を提供する。さらに、毛髪及び/又は頭皮美容剤を用いた毛髪及び/又は頭皮美容方法を提供する。【選択図】図1