Personal care articles

Details Personal care articles Personal care articles

A - Human Necessities

47

K

A47K 7/02 (2006.01) A61K 8/02 (2006.01) A61Q 19/10 (2006.01) C11D 17/04 (2006.01)

Patent

CA 2380085

The present invention relates to a substantially dry, disposable personal care article comprising: a) a water insoluble substrate comprising: 1) a nonwoven first layer; 2) a second layer which is disposed adjacent to said first layer; b) a cleansing component disposed adjacent to said first and second layers, wherein said component comprises: 1) from about 10% to about 1000%, by weight of the water insoluble substrate, of a lathering surfactant; wherein said article exhibits the following surfactant dissolution related physical properties individually or in combination with one another. The properties exhibited include a Dynamic Surface Tension Value of less than about 54 dynes/cm2 in beaker 1 and greater than about 60 dynes/cm2 in beaker 5, a Flash Lather Volume of from about 500 ml to about 3500 ml, a Latherability of from about 500 ml to about 7000 ml, a Surfactant Dissolution Extent of greater than about 30 ml in beaker 1, greater than about 30 ml in beaker 4 and less than about 90 ml in beaker 8, and a Lather Dissipation Time of from about 5 sec to about 62 sec. The present invention further relates to articles which further comprise a therapeutic benefit component. Each of the present articles has been found to be particularly useful for personal cleansing applications, namely for the skin and hair.

L'invention porte sur un article d'hygiène personnelle à jeter sensiblement sec comportant: a) un substrat hydroinsoluble comprenant: 1) une première couche non tissée; 2) une deuxième couche jouxtant la première; b) un composant de nettoyage-démaquillage déposé sur la première et la deuxième couche et comprenant: 1) d'environ 10 % à environ 1000 % en poids du substrat, d'un tensio-actif moussant. Ledit article présente seules ou associées les propriétés physiques suivantes relatives à la dissolution du tensio-actif, soit: tension superficielle dynamique de moins d'environ 54 dynes/cm<2> dans le bécher 1 et supérieure à environ 60 dynes/cm<2> dans le bécher 5, un volume de mousse instantanée d'environ 500 ml à environ 3500 ml, un pouvoir moussant d'environ 500 ml à environ 7000 ml, un degré de dissolution du tensio-actif supérieur à environ 30 ml dans le bécher 1, supérieur à environ 30 ml dans le bécher 4 et inférieur à environ 90 ml dans le bécher 8, et un temps de dissipation de la mousse d'environ 5 sec à environ 62 sec. L'invention porte également sur des articles comportant en outre un composant thérapeutique bénéfique. Chacun desdits articles s'est avéré particulièrement utile pour le nettoyage, et particulièrement celui de la peau et des cheveux.

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