Active vitamin d3 emulsion lotion

Details Active vitamin d3 emulsion lotion Active vitamin d3 emulsion lotion

A - Human Necessities

61

K

A61K 31/59 (2006.01) A61K 9/107 (2006.01) A61K 47/10 (2006.01) A61K 47/36 (2006.01) A61K 47/44 (2006.01)

Patent

CA 2288694

The present invention provides a pharmaceutical composition for local administration in the form of an emulsion that contains active vitamin D3 and is suitable for application to areas with (the) hair, while also having satisfactory pharmacological activity, primary drug stability and physical stability. This lotion contains (a) a therapeutically effective amount of active vitamin D3, (b) an oil, phase component containing a solid oil component comprising white Petrolatum and a higher alcohol and a liquid oil component comprising squalane, (c) an aqueous phase component containing ionic polysaccharide, and (d) nonionic surfactant; wherein, (1) the content of said ionic polysaccharide is 0.3-1.0 parts by weight of the entire preparation, (2) the content of said higher alcohol is 0.2-1.0 parts by weight of the entire preparation, and (3) the HLB of said nonionic surfactant is 10 or more.

L'invention porte sur des lotions sous forme d'émulsion, excellentes pour leur activité pharmacologique, la stabilité de leur agent principal, et leur stabilité physique. Il s'agit de compositions médicinales à application topique, contenant des vitamines D3 activées et dont la viscosité est adaptée à l'application sur les cheveux. Leur composition est la suivante: (a) quantité à efficacité thérapeutique de vitamines D3 activées; (b) composants en phase huileuse comprenant des graisses solides, du pétrolatum blanc, un alcool supérieur, et un composant huileur de squalane; (c) des composants en phase aqueuse contenant des polysaccharides ioniques; et (d) un tensioactif non ionique. Leur teneur en polysaccharides représente entre 0,3 et 1,0 parties en poids de la préparation totale; leur teneur en alcool supérieur représente entre 0,2 et 1,0 partie en poids de la préparation totale; le tensioactif non ionique présente un HLB de 10 ou plus.

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