Coloring agents and methods of use thereof
View Patent ↗Dyes, compositions comprising dyes and methods for using the same are provided.
1. A functionalized dye selected from one of the following compounds:
wherein
X is alkyl optionally substituted with amino, alkylamino, dialkylamino, hydroxy, alkoxy, or pyridinyl, wherein the alkyl portion of the alkoxy, alkylamino and dialkylamino may be further substituted with hydroxy;
wherein
Z is alkyl optionally substituted with amino, alkylamino, dialkylamino, hydroxy, alkoxy, or pyridinyl, wherein the alkyl portion of the alkoxy, alkylamino and dialkylamino may be further substituted with hydroxy; or
wherein
Y is alkyl optionally substituted with amino, alkylamino, dialkylamino, hydroxy, alkoxy, or pyridinyl, wherein the alkyl portion of the alkoxy, alkylamino and dialkylamino may be further substituted with hydroxy; or a cosmetically acceptable salt thereof.
2. The dye of claim 1 , wherein X is (C 1 -C 8 )alkyl optionally substituted with 1 or 2 groups selected from the following groups —N(CH 2 CH 2 OH) 2 , OH, pyridinyl, and ethoxy.
3. The dye of claim 1 , wherein Z is (C 1 -C 8 )alkyl optionally substituted with 1 or 2 groups selected from the following groups —N(CH 2 CH 2 OH) 2 , —N(CH 2 CH 3 ) 2 , OH, pyridinyl, and ethoxy.
4. The dye of claim 1 , wherein Y is (C 1 -C 8 )alkyl optionally substituted with 1 or 2 groups selected from the following groups —N(CH 2 CH 2 OH) 2 and OH.
5. A dye composition comprising at least one dye of claim 1 and a medium suitable for dyeing keratin fibers.
6. A method for coloring hair comprising applying to said hair a dye composition comprising at least one dye of claim 1 , such that said hair is colored.
7. A kit comprising a dye composition comprising at least one dye of claim 1 and instructions for use.
8. A method for coloring hair comprising the steps of
a) treating the hair with an oxidative dye in the presence of ammonia and optionally hydrogen peroxide for between about 1 and about 60 minutes;
b) optionally rinsing the hair; and optionally partially drying the hair;
c) treating the hair with a dye composition comprising at least one dye of claim 1 for between about 1 and about 60 minutes; and
d) rinsing the hair.
9. The method of claim 8 further comprising one or more of the following steps:
e) washing the hair with shampoo; and/or conditioning the hair with conditioner after rinsing the hair;
f) rinsing the hair; and
g) optionally drying the hair.
10. A dye composition comprising at least one dye of claim 1 and a medium suitable for dyeing keratin fibers.
11. A dye selected from the following group:
or a cosmetically acceptable salt thereof.
12. A dye composition comprising at least one dye of claim 11 and a medium suitable for dyeing keratin fibers.
13. A method for coloring hair comprising applying to said hair a dye composition comprising at least one dye of claim 11 , such that said hair is colored.
14. A kit comprising a dye composition comprising at least one dye of claim 11 and instructions for use.
15. A method for coloring hair comprising the steps of
a) treating the hair with an oxidative dye in the presence of ammonia and optionally hydrogen peroxide for between about 1 and about 60 minutes;
b) optionally rinsing the hair; and optionally partially drying the hair;
c) treating the hair with a dye composition comprising at least one dye of claim 11 for between about 1 and about 60 minutes; and
d) rinsing the hair.
16. The method of claim 15 further comprising one or more of the following steps:
e) washing the hair with shampoo; and/or conditioning the hair with conditioner after rinsing the hair;
f) rinsing the hair; and
g) optionally drying the hair.
17. A dye composition comprising at least one dye of claim 11 and a medium suitable for dyeing keratin fibers.