Natural healthy hair dye containing hematoxylin and catechin
A technology of catechin and hematoxylin, which is applied in the directions of organic chemistry, hair care, cosmetics, etc., can solve the problems of single composition of hair dyes and good hair dyeing effect, and achieve good hair dyeing effect, simple and natural ingredients, and simple ingredients. Effect
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Embodiment 1
[0024] This embodiment is a natural healthy hair dye containing hematoxylin and catechin, and its weight percentage components include: hematoxylin: 60%, catechin: 35%, water-soluble ferrous salt: 5%.
[0025] The extraction method of hematoxylin is as follows: (1) crush the dried hematoxylin and put it in a container; (2) add ultrapure water into the container according to the solid-liquid ratio of hematoxylin and ultrapure water at 1:25; (3) add hydrogen into the container Sodium oxide adjusts the pH value of the feed solution to 10; (4) heat the container with stirring in a water bath at 95°C for 55 minutes; (5) cool the feed liquid and filter out impurities with 30 μm filter paper to obtain hematoxylin.
[0026] The extraction method of catechin is as follows: (1) crush the dried catechin and put it in a container; (2) add ultrapure water into the container according to the solid-liquid ratio of catechin and ultrapure water at 1:35; (3) add hydrogen into the container Sodi...
Embodiment 2
[0028] This embodiment is a natural healthy hair dye containing hematoxylin and catechin, and its weight percentage components include: hematoxylin: 65%, catechin: 30%, water-soluble ferrous salt: 5%;
[0029] The extraction method of hematoxylin is as follows: (1) crush the dried hematoxylin and put it in a container; (2) add ultrapure water into the container according to the solid-liquid ratio of hematoxylin and ultrapure water at 1:30; (3) add hydrogen into the container Sodium oxide adjusts the pH value of the feed liquid to 11; (4) heat the container in a water bath at 100°C for 65 minutes with stirring; (5) cool the feed liquid and filter out impurities with 40 μm filter paper to obtain hematoxylin.
[0030] The extraction method of catechin is as follows: (1) crush the dried catechin and put it in a container; (2) add ultrapure water into the container according to the solid-liquid ratio of catechin and ultrapure water at 1:40; (3) add hydrogen into the container Sodiu...
Embodiment 3
[0032] This embodiment is a natural healthy hair dye containing hematoxylin and catechin, characterized in that: its weight percentage components include: hematoxylin: 60%, catechin: 30%, water-soluble ferrous salt : 10%;
[0033] The extraction method of hematoxylin is as follows: (1) crush the dried hematoxylin and put it in a container; (2) add ultrapure water into the container according to the solid-liquid ratio of hematoxylin and ultrapure water at 1:35; (3) add hydrogen into the container Sodium oxide adjusts the pH value of the feed liquid to 12; (4) heat the container in a water bath at 100°C for 65 minutes; (5) cool the feed liquid and filter out impurities with 50 μm filter paper to obtain hematoxylin.
[0034] The extraction method of catechin is as follows: (1) crush the dried catechin and place it in a container; (2) add ultrapure water into the container according to the solid-liquid ratio of catechin and ultrapure water at 1:45; (3) add hydrogen into the contai...
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