Antiperspirant compositions

Details Antiperspirant compositions Antiperspirant compositions

A - Human Necessities

61

K

A61K 8/11 (2006.01) A61K 8/28 (2006.01) A61K 8/37 (2006.01) A61K 8/86 (2006.01) A61Q 15/00 (2006.01)

Patent

CA 2740976

Anhydrous antiperspirant compositions comprising particulate antiperspirant active; capsules comprising a shear--sensitive shell which encapsulates perfume; and a carrier for the particulate antiperspirant active and capsules; wherein the cap-sules have a shell of cross-linked gelatin coacervate having a thickness of from 0.25 to 9 µm and providing from 10 to 40% by weight of the capsules, a volume average particle diameter of from 25 to 70 µm, a ratio of shell thickness to the average particle diameter in the range of from 1:5 to 1:120, and a Hysitron hardness in the range of from 1.5 MPa to 50 MPa..

L'invention concerne des compositions antitranspirantes anhydres comprenant un ingrédient actif antitranspirant particulaire, des capsules comprenant une enveloppe sensible au cisaillement qui encapsule un parfum, et un support pour l'ingrédient actif antitranspirant particulaire et les capsules. Les capsules comprennent une enveloppe de coacervat de gélatine réticulée dont l'épaisseur est de 0,25 à 9 µm et qui constitue 10 à 40 % en poids des capsules, un diamètre moyen en volume de particules de 25 à 70 µm, un rapport épaisseur d'enveloppe à diamètre moyen de particules dans l'intervalle de 1/5 à 1/120, et une dureté Hysitron dans l'intervalle de 1,5 MPa à 50 MPa.

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