FIRST AGENT FOR HAIR RESHAPING
To provide a first agent for hair treatment that prevents hair damage due to swelling occurred during the hair treatment, can effectively reshape damaged hair, and does not leave hardness in the treated hair.SOLUTION: A first agent for hair treatment contains (A) a keratin fiber reductive substance...
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Zusammenfassung: | To provide a first agent for hair treatment that prevents hair damage due to swelling occurred during the hair treatment, can effectively reshape damaged hair, and does not leave hardness in the treated hair.SOLUTION: A first agent for hair treatment contains (A) a keratin fiber reductive substance at a total molar concentration of 0.25-1.14 mol/L, (B) one or more acidic substances of 0.1-10 mass%, and (C) water. The agent has a pH ranging from 1.6 to 4.5 and an acidity ranging from 0.1 to pH+0.5. The (B) acidic substance includes one or more specific acidic substances selected from citric acid, malic acid, maleic acid, pyrrolidone carboxylic acid, tartaric acid, succinic acid, levulinic acid, lactic acid, malonic acid, glycolic acid, glutaric acid, adipic acid, and fumaric acid, and/or unspecified acidic substances, which are acidic substances other than the specific acidic substances, where the content of the specific acidic substances is 1.0 mass% or less.SELECTED DRAWING: None
【課題】毛髪処理過程で生じる膨潤による毛髪損傷が少なく、ダメージ毛に対する毛髪形状の変形効果に優れ、さらには処理後の毛髪に硬さが残らない毛髪処理用第1剤を提供すること。【解決手段】(A)ケラチン繊維還元性物質を総モル濃度で0.25~1.14mol/L、(B)1種又は2種以上の酸性物質を0.1~10質量%、(C)水を含有し、pHが1.6~4.5、酸度が0.1~pH+0.5の範囲であり、(B)の酸性物質は、クエン酸、リンゴ酸、マレイン酸、ピロリドンカルボン酸、酒石酸、コハク酸、レブリン酸、乳酸、マロン酸、グリコール酸、グルタル酸、アジピン酸、フマル酸から選ばれる1種以上の特定酸性物質、又は、前記特定酸性物質以外の酸性物質である不特定酸性物質の少なくとも一方を含み、前記不特定酸性物質の配合量を1.0質量%以下としてある。【選択図】なし |
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