Hair-blackening shampoo
A technology for shampoo and black hair, applied in hair care, cosmetics, medical preparations containing active ingredients, etc., can solve the problems of side effects and unsatisfactory consumers, so as to promote the formation of melanin particles and promote scalp microcirculation , Improve the effect of scalp microcirculation
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[0039] The preparation method of above-mentioned embodiment 1~5 black hair shampoo comprises the steps:
[0040] (1) Mix and stir cocamidopropyl betaine, sodium lauryl ether sulfate, hydroxyethyl cellulose, citric acid, EDTA-2 sodium, rosmarinic acid, glycerin, and deionized water evenly to prepare Phase A;
[0041] (2) Add acrylic acid (ester) / vinyl neodecanoate cross-linked polymer, angelica extract, Polygonatum odoratum extract, and turmeric extract while stirring to prepare phase B;
[0042] (3) Add sodium hydroxide, methylisothiazolinone, and phenoxyethanol to phase B, and stir evenly to prepare a black hair shampoo.
Embodiment 6
[0054] Black hair efficacy test:
[0055] In order to illustrate the hair blackening effect of the present invention, an animal experiment on the synthesis of rabbit ear hair melanin particles was carried out.
[0056] First, several rabbits were divided into 10 groups, and the ear hairs on the surface of the right auricle were all shaved off, and then the above-mentioned Examples 1-5 and Comparative Examples 1-5 were evenly applied, while the left ear was not subjected to any treatment. as a homologous control. After 60 days of medication, the animal was killed, and the skin of the back of the rabbit's ear was taken to observe the appearance speed of melanin and the ratio of the hair shaft containing a large amount of melanin to the total number of hair shafts. As a control, 15% ethanol solvent was applied to a single group of rabbits.
[0057] (1) Effects on the appearance speed of melanin in rabbits:
[0058] On the 7th day after shaving, the experimental ears of the rab...
Embodiment 7
[0067] Human effect experiment:
[0068] In order to prove that the black-hair shampoo of the present invention can promote the natural synthesis of human hair melanin particles, the effect of using it for 2 to 12 months was observed on white-haired people.
[0069] Effective: After use, new black hair or natural black hair with black roots and white tips will grow, the hair color will become darker or the interval between hair dyeing will be longer than before use, and the hair quality will be significantly improved.
[0070] Ineffective: No change after use.
[0071] The results are shown in Table 3.
[0072] table 3
[0073]
[0074] From the data in Table 3 above, it can be found that the white hair of the members of this group did not show signs of improvement after using the product of Comparative Example 5, while Comparative Examples 1-4, which added some ingredients, had a certain effect on black hair, but the effect was not good. It cannot achieve the effect of ...
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