Cosmetic and dermatological agent with a hard-magnetic...

Details Cosmetic and dermatological agent with a hard-magnetic... Cosmetic and dermatological agent with a hard-magnetic...

A - Human Necessities

61

K

A61K 33/26 (2006.01) A61K 8/19 (2006.01) A61K 8/55 (2006.01) A61K 8/70 (2006.01) A61K 8/73 (2006.01) A61K 8/99 (2006.01) A61K 9/127 (2006.01) A61K 33/24 (2006.01) A61Q 5/00 (2006.01) A61Q 19/00 (2006.01)

Patent

CA 2284708

The invention relates to a cosmetic and dermatological agent for treating sensitive tissue, wounds and hair. The inventive agent contains: (a1) hard magnetic particles such as barium- or strontium hexaferrite monocrystals, samarium cobalt (SmCo) particles and neodymium-iron-boron particles (Nd2Fe14B), each with a particle size of between 80 and 550 nm, and a particle coercitive field strength of 1000 to 20000 Oersteds; or (a2) particles as per (a1), encapsulated in aqueous liposomes or asymmetric lamellar aggregates, said aggregates consisting of natural phospholipids containing 30 to 99 weight per cent phosphatidylcholin, and fluorocarbons; and in addition to (a1) or (a2), or a mixture of the two, asymmetric lamellar aggregates without encapsulated particles, which are only loaded with oxygen to the extent of their saturation limit. The inventive agent also contains carrier substances and optionally other cosmetic or pharmacological active substances.

L'invention concerne un agent cosmétique et dermatologique pour traiter les tissus sensibles, les blessures et les cheveux. Cet agent contient (a1) des particules magnétiques dures, comme des monocristaux d'hexaferrite de baryum ou de strontium, des particules de samarium et de cobalt (smCo) et des particules de néodyme-fer-bore (Nd¿2?Fe¿14?B) avec respectivement une granulométrie de 80 à 550 nm et une intensité de champ coercitif des particules comprise entre 1000 et 20000 Oersted; ou bien (a2) des particules selon (a1), encapsulées dans des lyposomes aqueux ou des agrégats lamellaires asymétriques, ces agrégrats étant constitués de phospholipides naturels avec une teneur en phosphatidylcholine comprise entre 30 et 99 % en poids, et de fluorocarbones; et séparément, en plus de (a1) ou de (a2) ou de leurs mélanges, des agrégats lamellaires asymétriques sans particules encapsulées, qui sont chargés uniquement en oxygène jusqu'à la limite de saturation. L'agent contient également des excipients et éventuellement d'autres principes actifs cosmétiques ou pharmacologiques.

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