AQUEOUS COMPOSITION FOR BODY

• Main Authors: UENO SHIORI, SARUKAWA YURI, MIYOSHI HIDESUKE
• Format: Patent
• Language: English; Japanese
• Published: 10.05.2023
• Subjects: HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS

To provide an aqueous composition for body enabling a coating film excellent in self-healing property to be formed, enabling moisture resistance and substantivity thereof to be imparted to a treatment object, and, in particular, enabling suppression of spreading of the hair under high humidity conditions when used for hair treatment.SOLUTION: An aqueous composition for body is provided, which contains: one or more polymers (A) selected from a group consisting of a cationic polymer having a weight average molecular weight of 120000 or less and a cationic charge density of 2.0 meq/g or more and 24 meq/g or less and an amphoteric polymer; and an anionic polymer (B) having a weight average molecular weight of 10000 or less and an anionic charge density of 8.0 meq/g or more, and which has a content of a surfactant (C) of less than 1 mass%.SELECTED DRAWING: None 【課題】自己修復性に優れる皮膜の形成が可能で、処理対象物に耐湿性及びその持続性を付与することができ、特に、毛髪処理に用いた際には高湿度条件下での毛髪の広がりを抑制することができる、身体用水性組成物を提供する。【解決手段】（Ａ）重量平均分子量が１２０，０００以下、且つ、カチオン電荷密度が２．０ｍｅｑ／ｇ以上２４ｍｅｑ／ｇ以下である、カチオン性ポリマー及び両性ポリマーからなる群から選ばれる１種以上のポリマー、及び（Ｂ）重量平均分子量が１０，０００以下、且つ、アニオン電荷密度が８．０ｍｅｑ／ｇ以上であるアニオン性ポリマーを含有し、（Ｃ）界面活性剤の含有量が１質量％未満である、身体用水性組成物。【選択図】なし