申请人:Armour Pharmaceutical Company
公开号:US04021536A1
公开(公告)日:1977-05-03
Astringent compositions useful as antiperspirants are provided by forming a complex of a magnesium salt and an astringent zirconium compound, particularly zirconium oxy and hydroxy salts, such that the weight ratio of the zirconium content to the magnesium content in the complex expressed as the oxides will be in the range of about 30:1 to 1:1. The preferred amount of magnesium, expressed as the oxide, in an aqueous antiperspirant solution containing an effective amount of the complex will be greater than about 3 weight percent. Preferred compositions include complexes of magnesium-amino acid salts, such as magnesium glycinate, plus zirconyl hydroxy chloride in which the ratio of zirconium to magnesium is about 10:1 to 3:1 and the total content of magnesium plus zirconium is about 5 to 15 weight percent and preferably about 5 to 10 weight percent, both expressed as the oxides. Buffers such as urea, amino acids, salts of amino acids, etc. may also be included in the complexes to maintain a pH of at least about 3 in aqueous solutions of the complex. The various complexes of the invention may be used in conventional antiperspirant forms, including aqueous solutions, aerosol sprays, powder-in-oil aerosol sprays, creams, lotions, cream sticks, etc.
提供了一种作为止汗剂有用的收敛组合物,通过形成镁盐和一种收敛锆化合物的复合物,特别是氧化锆和氢氧化锆盐的复合物,使得复合物中锆含量与镁含量的重量比以氧化物表示在约30:1至1:1的范围内。在含有有效量的复合物的水性止汗剂溶液中,优选的镁含量,以氧化物表示,将大于约3重量%。优选的组合物包括镁-氨基酸盐的复合物,例如镁甘氨酸盐,加上氢氧化氧锆氯化物,其中锆与镁的比例约为10:1至3:1,镁加锆的总含量约为5至15重量%,优选约为5至10重量%,均以氧化物表示。缓冲剂,例如尿素,氨基酸,氨基酸盐等,也可以包括在复合物中,以在复合物的水性溶液中保持至少约3的pH。本发明的各种复合物可以用于传统的止汗剂形式,包括水性溶液,气雾剂,油粉气雾剂,乳霜,洗液,乳膏棒等。