PROBLEM TO BE SOLVED: To provide a cosmetic or dermatological composition containing a particular water.SOLUTION: There are provided: a use of a particular water having a pH of 7.8-10 and a total dissolved solid (TDS) concentration of 10-250 mg/L in a cosmetic or dermatological composition the cosmetic or dermatological composition containing the water and particularly a treatment method intended for preventing or delaying the appearance of the effects of intrinsic and/or extrinsic ageing of the skin or for slowing down the effects thereof, for preventing or reducing pigmentary spots on the skin or coloration of hyperpigmented areas of the skin, for reducing the pigmentation of the periphery of depigmented areas, for improving the uniformity of the skin coloration, or for lightening the complexion of the skin.COPYRIGHT: (C)2012,JPO&INPIT【課題】特定の水を含有する化粧品用又は皮膚科用組成物の提供。【解決手段】7.8~10の間のpHと、10~250mg/lの間の全溶解固形分(TDS)濃度とを有する特定の水の、化粧品用又は皮膚科用組成物での使用に関する。この水を含有する化粧品用又は皮膚科用組成物に関し、特に、皮膚の内因性及び/又は外因性加齢の作用の出現を予防し又は遅延させ、又はその作用を低速化させ;皮膚の色素斑又は皮膚の色素沈着過剰領域の呈色を予防し又は低減させ;脱色領域の周辺の色素沈着を低減させ;皮膚呈色の均一性を改善し;又は皮膚の艶を明るくすることが可能な処理方法。【選択図】なし
