Compositions and methods for treating signs of skin aging

Abstract

The invention relates to methods and compositions for treating skin aging, said compositions comprising at least one tropoelastin promoter and at least one tropoelastin crosslinker.

1 . A cosmetic composition comprising: (a) at least one tropoelastin promoter; (b) at least one tropoelastin crosslinker; and (c) a cosmetically acceptable carrier. 
     
     
         2 . The cosmetic composition according to  claim 1 , wherein said tropoelastin promoter is selected from the group consisting of blackberry leaf extract, cotinus extract, feverfew extract, bimetal complexes having copper and/or zinc constituents, and combinations thereof. 
     
     
         3 . The cosmetic composition according to  claim 1 , wherein said tropoelastin promoter is selected from the group consisting of blackberry leaf extract, cotinus extract, feverfew extract, and combinations thereof. 
     
     
         4 . The cosmetic composition according to  claim 1 , wherein said tropoelastin promoter comprises blackberry leaf extract. 
     
     
         5 . The cosmetic composition according to  claim 1 , wherein said tropoelastin cross-linker is selected from the group consisting of dill extract, currant extract, cardamom extract, black radish extract, box holly extract, Asafoetida extract, ethyl hexenoate, methyl butyrate, ethyl decadienoate, and combinations thereof. 
     
     
         6 . The cosmetic composition according to  claim 1 , wherein said tropoelastin cross-linker comprises dill extract. 
     
     
         7 . The cosmetic composition according to  claim 1 , wherein said tropoelastin promoter comprises blackberry extract and said tropoelastin cross-linker is selected from the group consisting of dill extract, currant extract, cardamom extract, black radish extract, box holly extract, Asafoetida extract, ethyl hexenoate, methyl butyrate, ethyl decadienoate, and combinations thereof. 
     
     
         8 . The cosmetic composition according to  claim 1 , wherein said tropoelastin promoter is selected from the group consisting of blackberry leaf extract, cotinus extract, and feverfew extract, and said tropoelastin cross-linker comprises dill extract. 
     
     
         9 . The cosmetic composition according to  claim 1 , wherein said tropoelastin promoter is present in an amount comprising from about 0.1% to about 10% by weight of the composition. 
     
     
         10 . The cosmetic composition according to  claim 1 , wherein said tropoelastin promoter is present in an amount comprising from about 0.5% to about 5% by weight of the composition. 
     
     
         11 . The cosmetic composition according to  claim 1 , wherein said tropoelastin crosslinker is present in an amount comprising about 0.1% to about 10% by weight of the composition. 
     
     
         12 . The cosmetic composition according to  claim 1 , wherein said tropoelastin crosslinker is present in an amount comprising about 0.5% to about 5% by weight of the composition. 
     
     
         13 . The cosmetic composition according to  claim 1 , wherein said tropoelastin promoter comprises blackberry extract and said tropoelastin crosslinker comprises dill extract. 
     
     
         14 . The cosmetic composition according to  claim 1 , wherein said tropoelastin promoter has a Tropoelastin Promoter Activity of at least about 1.2. 
     
     
         15 . A method of treating a sign of skin aging, comprising topically applying to skin in need of such treatment a cosmetically effective amount of a composition comprising (a) at least one tropoelastin promoter; (b) at least one tropoelastin crosslinker; and (c) a cosmetically acceptable carrier. 
     
     
         16 . The method according to  claim 15 , wherein said sign of skin aging is selected from the group consisting of lines, wrinkles, loss of elasticity, uneven skin, blotches, and age spots. 
     
     
         17 . The method according to  claim 15 , wherein said tropoelastin promoter is selected from the group consisting of blackberry leaf extract, cotinus extract, feverfew extract, bimetal complexes having copper and/or zinc constituents, and combinations thereof. 
     
     
         18 . The method according to  claim 15 , wherein said tropoelastin promoter is selected from the group consisting of blackberry leaf extract, cotinus extract, feverfew extract, and combinations thereof. 
     
     
         19 . The method according to  claim 15 , wherein said tropoelastin promoter comprises blackberry leaf extract. 
     
     
         20 . The method according to  claim 15 , wherein said tropoelastin crosslinker is selected from the group consisting of dill extract, currant extract, cardamom extract, black radish extract, box holly extract, Asafoetida extract, ethyl hexenoate, methyl butyrate, ethyl decadienoate, and combinations thereof. 
     
     
         21 . The method according to  claim 15 , wherein said tropoelastin crosslinker comprises dill extract. 
     
     
         22 . The method according to  claim 15 , wherein said tropoelastin promoter comprises blackberry extract and said tropoelastin cross-linker is selected from the group consisting of dill extract, currant extract, cardamom extract, black radish extract, box holly extract, Asafoetida extract, ethyl hexenoate, methyl butyrate, ethyl decadienoate, and combinations thereof. 
     
     
         23 . The method according to  claim 15 , wherein said tropoelastin promoter is selected from the group consisting of blackberry leaf extract, cotinus extract, and feverfew extract, and said tropoelastin cross-linker comprises dill extract. 
     
     
         24 . The method according to  claim 15 , wherein said tropoelastin promoter is present in an amount comprising from about 0.1% to about 10% by weight of the composition. 
     
     
         25 . The method according to  claim 15 , wherein said tropoelastin promoter is present in an amount comprising from about 0.5% to about 5% by weight of the composition. 
     
     
         26 . The method according to  claim 15 , wherein said tropoelastin crosslinker is present in an amount comprising about 0.1% to about 10% by weight of the composition. 
     
     
         27 . The method according to  claim 15 , wherein said tropoelastin crosslinker is present in an amount comprising about 0.5% to about 5% by weight of the composition. 
     
     
         28 . The method according to  claim 15 , wherein said tropoelastin promoter comprises blackberry extract and said tropoelastin crosslinker comprises dill extract. 
     
     
         29 . The method according to  claim 15 , wherein said tropoelastin promoter has a Tropoelastin Promoter Activity of at least about 1.2.