Translucent, sunscreening cosmetic foundation composition

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/29 (2006.01) A61Q 1/02 (2006.01)

Patent

CA 2603409

A cosmetic foundation composition is provided having an SPF value of greater than or equal to 15, preferably greater than or equal to 18, more preferably greater than or equal to 20 and a .DELTA.LT value greater than or equal to 0.5, preferably greater than or equal to 1.0, more preferably greater than or equal to 2.5, where .DELTA.LT is measured according to the following equation: .DELTA.LT = .DELTA.L2- .DELTA.L1Where: AL1 = L1 110-L1 15; .DELTA.L2 = L2 110 - L2 15 L1 is a measurement of Ly taken on bare skin, to which no product has been applied; L2 is a measurement of Ly taken on skin, to which product has been applied; and Ly is the translucency value at a specific angle, y, from specular.

La présente invention décrit une préparation cosmétique dont l'indice SPF est supérieur ou égal à 15, préférentiellement supérieur ou égal à 18, plus préférentiellement supérieur ou égal à 20, et dont l'indice .DELTA.LT est supérieur ou égal à 0,5, préférentiellement supérieur ou égal à 1,0, plus préférentiellement supérieur ou égal à 2,5, .DELTA.LT étant calculé par le biais de l'équation suivante : .DELTA.LT = .DELTA.L2- .DELTA.L1 où : AL1 = L1 110-L1 15 ; .DELTA.L2 = L2 110 - L2 15 L1 est une mesure de Ly faite sur la peau nue sans application de produit ; L2 est une mesure de Ly faite sur la peau après application du produit ; et Ly est l'indice de transparence à l'angle spécifique y mesuré par réflexion spéculaire.

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