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AssigneeTakasago International Corporation
InventorsJunko Nagano, Kazuki Sugiyama, Yasuko Matsumura, Kunihide Hoshino, Takashi Aida
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The present invention relates to a stable composition for hair dye, which comprises at least one compound selected from dihydrocitronellyl nitrile, 2,2,6 -trimethylcyclohexane carboxylic acid ethyl ester, 2-ethyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-l-ol, 2,2,6-trimethylcyclohexyl-3-hexanol, 1-(2-methyl-2-propenyloxy)-2,2,4-trimethylpentan-3-ol, thioglycerin, dibutyl sulfide, thiogeraniol, thiocineol, 2-methyl-4-propyl-1,3-oxathian, 4-methoxy-2-methyl-2-butanethiol and the like. The stable composition for hair dye has a superior effect in masking a malodor originated from components such as ammonia formulated in hair dye composition such as composition for hair dye, and is also stable in an alkaline product and an acidic solution product.
A method for stabilizing at least one of odor and color of a hair dye composition, which comprises incorporating into the hair dye composition at least one compound selected from dihydrocitronellyl nitrile, 2,2,6-trimethylcyclohexane carboxylic acid ethyl ester, 2-ethyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol, 2,2,6-trimethylcyclohexyl-3-hexanol, cyclohexadecenone, 1-(2-methyl-2-propenyloxy)-2,2,4-trimethylpentan-3-ol, 1-phenyl-2,2,4-trimethyl-3-pentanone, 4,8-dimethyl-7-nonen-2-ol, 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol, tri(cis-3-hexenyl) orthoformate, thioglycerin, dibutyl sulfide, thiogeraniol, thiocineol, limonenethiol, 2-methyl-4-propyl-1,3-oxathian, 4-methoxy-2-methyl-2-butanethiol, 4-ethoxy-2-methyl-2-butanethiol, and 5-methoxy-3-methyl-3-pentanethiol.
A method for stabilizing at least one of odor and color of a hair dye composition, which comprises incorporating into the hair dye composition
A hair dye composition, which comprises a stable composition for hair dye comprising at least one compound selected from dihydrocitronellyl nitrile, 2,2,6-trimethylcyclohexane carboxylic acid ethyl ester, 2-ethyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol, 2,2,6-trimethylcyclohexyl-3-hexanol, cyclohexadecenone, 1-(2-methyl-2-propenyloxy)-2,2,4-trimethylpentan-3-ol, 1-phenyl-2,2,4-trimethyl-3-pentanone, 4,8-dimethyl-7-nonen-2-ol, 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol, tri(cis-3-hexenyl) orthoformate, thioglycerin, dibutyl sulfide, thiogeraniol, thiocineol, limonenethiol, 2-methyl-4-propyl-1,3-oxathian, 4-methoxy-2-methyl-2-butanethiol, 4-ethoxy-2-methyl-2-butanethiol, and 5-methoxy-3-methyl-3-pentanethiol.
A hair dye composition, which comprises a stable composition for hair dye comprising
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