Double-agent hair dye composition
A two-component hair dye and composition technology, which is applied in hair care, cosmetics, cosmetic preparations, etc., can solve problems such as weak decolorization ability, uneven decolorization, and uncertain mixing ratio
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Embodiment 1
[0112] Embodiment 1, comparative example 1
[0113] The first part and the second part of the two-part hair dye composition having the compounding composition shown in Table 1 were prepared. Such as figure 1 As shown, respectively fill 40g of the first agent (A1) into the first container (2), fill 60g of the second agent (A2) into the second container (3) (also the container body (4) of the squeeze container, Inner volume is 210mL). Separately, a squeeze bubbler (5) (S1 squeeze bubbler manufactured by Daiwa Can Seiko Co., Ltd.) was prepared.
[0114] [Table 1]
[0115]
[0116] Give the above-mentioned first and second doses and the squeeze bubbler to the subjects (Japanese women with a gray hair rate of about 30%, the hair length is cut to the jaw line), and the hair dyeing is carried out according to the following procedures , using the half head (half head) test to compare and evaluate the situation (Example 1) and the situation (Comparative Example 1) that do not i...
Embodiment 2
[0133] The first part and the second part of the two-part hair dye composition having the compounding composition shown in Table 2 were prepared. This was filled in the same container as in Example 1, and the same squeeze bubbler as in Example 1 was prepared.
[0134] [Table 2]
[0135]
[0136] The above-mentioned filled first and second doses and the squeeze bubbler were handed over to the subjects (Japanese women with a gray hair rate of about 30%, and the hair length was cut to the mandibular line), using the same method as in Example 1. Hair was dyed with the same procedure and evaluated for dripping and uneven dyeing.
[0137] [Evaluation results]
[0138] (1) Liquid dripping of the mixed solution
[0139] There was no dripping of liquid within 30 minutes from the placement of 6.
[0140] (2) Mottled and uneven dyeing
[0141] Colors evenly on the surface of the hair as well as at the roots.
Embodiment 3～7
[0143] The first agent and the second agent each having the compounding composition (mass %) shown in Table 3 were prepared. Such as figure 1 As shown, respectively fill the first dose (A1) 40g into the first container (2), fill the second dose (A2) 60g into the second container (3) (also the container body (4) of the squeeze container, The inner volume is 210 mL), and then placed in a refrigerator at 5°C for 24 hours together with a squeeze bubbler (5) (S1 squeeze bubbler manufactured by Yamato Can Seiko Co., Ltd.).
[0144] In the room at 20°C, immediately after taking the above substances out of the freezer, the first and second doses were mixed, and the squeeze bubbler was installed on the container, and then handed over to the subjects (semi-long black-haired) Japanese women aged 20-30). The subject held the container upright, squeezed it several times with one hand, spit out 20 g of the mixture into a 1000 mL measuring cylinder, and measured the total volume (mL) of th...
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Abstract
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