Melanin hair dye for blackening by using amino acid as well as preparation method and use method of melanin hair dye

Abstract

The invention discloses a melanin hair dye capable of blackening by using amino acid and a preparation method and a use method thereof, the first agent of the hair dye comprises the following components: 1%-3% of 5, 6-dihydroxyindole, 0.5%-1.5% of arginine, 4%-8% of C16-18 alcohol, 12%-16% of olive oil, 0.5%-2% of PEG-7 olive oil, 2%-8% of propylene glycol, 1%-6% of cysteine, 0.1%-0.2% of sodium sulfite, 0.1%-0.5% of ascorbic acid ethyl ether and the balance of water; 0.2%-2% of polydimethylsiloxane, 0.05%-0.1% of guar gum hydroxypropyl trimethyl ammonium chloride and a proper amount of ethanolamine are used for adjusting the pH value to 6-8; and the balance of water. And the second agent comprises the following components in percentage by weight: 5%-15% of hydrogen peroxide, 4%-8% of C16-18 alcohol, 12%-16% of olive oil, 0.5%-2% of PEG-7 olive oil, 2%-8% of propylene glycol and the balance of water. The hair dye disclosed by the invention is natural, environment-friendly and non-toxic, and a blacker hair dyeing effect can be obtained.

Description

technical field [0001] The invention belongs to the field of daily chemicals, and in particular relates to a melanin hair dye for blackening by using amino acid, a preparation method and a use method thereof. Background technique [0002] With the ever-accelerating pace of life and the increasing pressure of life, gray hair is not only occurring in the elderly group, but also increasingly common in young people, and dyeing hair black has become the number one way to cover up this problem. Since the hair scales are only 1-2 nanometers in size, many melanins cannot enter the hair. At present, the basic idea of ​​permanent hair dye is: first use small molecules to enter the hair cuticle, and then use hydrogen peroxide, carbamide peroxide and other initiators to initiate the polymerization of small molecules to obtain a large molecular black substance, because the large molecular black substance cannot pass through the hair cuticle To achieve a color-fixing effect. However, in...

AI Technical Summary

Problems solved by technology

At present, hair dyes containing 5,6-dihydroxyindole melanin have been paid attention to because they are green and safe, but in fact, a relatively high concentration of pigment molecules is required to dye the hair black, which increases the cost

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