Multi-color plant hair dyeing composition based on gallnut, ferrous gluconate and natural pigment and application method of multi-color plant hair dyeing composition

Abstract

The invention belongs to the technical field of hair dyeing and caring, and discloses a multi-color plant hair dyeing composition based on gallnut, ferrous gluconate and natural pigment and an application method thereof, the multi-color plant hair dyeing composition comprises plant basic dye paste and a color developing agent solution; the plant basic dye paste comprises the following components in percentage by mass: 5-15% of a gallnut extract containing tannic acid, 0-5% of a plant natural pigment extract, 0.3-1.0% of xanthan gum / hydroxypropyl fiber and 5-10% of glycerol / propylene glycol, the pH is regulated to 4-7, and deionized water is added to 100%; the color developing agent solution is prepared from the following components in percentage by mass: 0.5 to 2.0 percent of ferrous gluconate, 0.2 to 0.5 percent of citric acid, 0.1 to 0.2 percent of EDTA (Ethylene Diamine Tetraacetic Acid) disodium, 2 to 5 percent of glycerol and 0.05 to 0.1 percent of essence, the pH is regulated to 4 to 7, and deionized water is added to 100 percent. According to the plant hair dye, a plant hair dye without conventional oxidizing agents and alkaline stimulation is realized, citric acid and EDTA are added, it is guaranteed that Fe < 2 + > is not oxidized in the using process, precipitation is prevented, and color development is lasting and uniform.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hair dyeing, in particular to a multi-tone plant hair dyeing composition based on Chinese gall, ferrous gluconate and natural pigments and an application method thereof. BACKGROUND

[0002] With the improvement of the quality of life and level of residents, hair dyeing is no longer a technical means for white-haired groups to dye black and cover hair. It is increasingly favored by consumers of different age groups who pursue fashion. In recent years, consumers have increasingly demanded natural, mild and non-irritating hair dyeing products. Traditional oxidative hair dyes generally contain p-phenylenediamine, ammonia, hydrogen peroxide and other components, which may cause scalp irritation, allergic reactions, and even damage to hair quality after long-term use. SUMMARY

[0003] To overcome the technical defects of the prior art, the present application provides a multi-tone plant hair dyeing composition based on Chinese gall, ferrous gluconate and natural pigments and an application method thereof, which realizes a truly plant hair dyeing body without conventional oxidizing agents and alkaline irritation, adds citric acid and EDTA to ensure Fe 2+ It is not oxidized during use, prevents precipitation, and has persistent and uniform color development.

[0004] The technical solution adopted by the present application is: a multi-tone plant hair dyeing composition based on Chinese gall, ferrous gluconate and natural pigments, comprising a plant basic dye paste and a color developer solution.

[0005] The plant basic dye paste comprises, by mass fraction: Chinese gall extract containing tannic acid 5-15%, plant natural pigment extract 0-5%, xanthan gum / hydroxypropyl fiber 0.3-1.0%, glycerol / propylene glycol 5-10%, and deionized water to 100%.

[0006] The color developer solution comprises, by mass fraction: ferrous gluconate 0.5-2.0%, citric acid 0.2-0.5%, disodium EDTA 0.1-0.2%, glycerol 2-5%, fragrance 0.05-0.1%, and deionized water to 100%.

[0007] Preferably, the plant natural pigment extract is composed of one or more of gardenia fruit extract, rosette flower extract, radix falconeri extract, sophora fruit extract, coffee extract and gardenia yellow extract.

[0008] Preferably, the plant basic dye paste further comprises allantoin / β-glucan 0.1-0.5% and pH adjuster 0.3-0.8%.

[0009] Preferably, the color developer solution further comprises ethanol 3-10%.

[0010] Preferably, the essence is natural essential oil.

[0011] A method for applying a multi-color tone plant hair dyeing composition based on Chinese gall and ferrous gluconate and natural pigments, the application method process is as follows, first, according to the color of the hair to be dyed, select the corresponding pair of plant natural pigment extracts composed of one or more of gardenia fruit extract, rosette flower extract, radix polygoni multiflori extract, sophora flower extract, coffee extract and gardenia yellow extract;

[0012] After washing the hair, evenly apply the plant base dye paste on the dry hair or slightly wet hair, after 20-40 minutes, rinse or semi-rinse; then spray or apply the color developing agent solution on the hair, stand for 10-30 minutes, naturally air dry or rinse, along with the change of pH, Fe 2+ - tannin complex reaction, gradually showing the target color.

[0013] The beneficial effects of the present application are:

[0014] 1. The present application takes Chinese gall extract containing tannic acid and ferrous gluconate as the main body, Fe 2+ in ferrous gluconate is complexed with natural tannic acid in Chinese gall extract, and Fe 3+ - tannic acid black complex, wherein ferrous gluconate (Fe 2+ ) is used as a Chinese gall tannic acid color developing agent to replace traditional ferrous sulfate, which is low irritating and high stable, and improves the scalp friendliness; the present application realizes a truly plant hair dyeing body without conventional oxidizing agent and alkaline irritation, adds citric acid and EDTA to ensure Fe 2+ is not oxidized during use, prevents precipitation, and has persistent and uniform color development.

[0015] 2. The present application forms a ternary plant color developing system by establishing “Chinese gall + Fe 2+ + natural pigment”, which can control the black main tone and expand red-brown, blue-black, warm-brown, purple-black and other colors. BRIEF DESCRIPTION OF DRAWINGS

[0016] One or more embodiments are exemplified by the pictures in the corresponding drawings, which do not constitute a limitation on the embodiments, elements with the same reference numerals in the drawings represent similar elements, unless specifically stated otherwise, the drawings do not constitute a proportional limitation.

[0017] Fig. 1 The formula chart of the plant base dye paste in the embodiment 1 of the present application;

[0018] Fig. 2 The formula chart of the color developing agent solution in the embodiment 1 of the present application;

[0019] Fig. 3 Exemplary diagram for the target color system in embodiment 1 of the present application. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present application clearer, the embodiments of the present application will be described in detail below with reference to the drawings. However, those skilled in the art can understand that in the embodiments of the present application, many technical details are presented in order to make the readers better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solutions claimed in the claims of the present application can be implemented.

[0021] As Figs. 1-2 shown, embodiment 1 provides a multi-tone plant hair dyeing composition based on Chinese gall and ferrous gluconate and natural pigment, including a plant base dye paste and a color developer solution;

[0022] The plant base dye paste includes, by mass fraction: Chinese gall extract containing tannic acid 5-15%, plant natural pigment extract 0-5%, xanthan gum / hydroxypropyl fiber 0.3-1.0%, glycerol / propylene glycol 5-10%, and deionized water to 100%;

[0023] The color developer solution includes, by mass fraction: ferrous gluconate 0.5-2.0%, citric acid 0.2-0.5%, disodium EDTA 0.1-0.2%, glycerol 2-5%, fragrance 0.05-0.1%, and deionized water to 100%. The Chinese gall extract containing tannic acid and ferrous gluconate are used as the main body, and Fe 2+ in ferrous gluconate is complexed with natural tannic acid in Chinese gall extract, and Fe 3+ - tannic acid black nanocomposite, in which ferrous gluconate (Fe 2+ ) is used as a Chinese gall tannic acid color developer to replace traditional ferrous sulfate, with low irritation, high stability, and improved scalp friendliness; the present application realizes a truly chemical oxidant-free and alkali irritation-free plant hair dyeing body, with the addition of citric acid and EDTA to ensure that Fe 2+ is not oxidized during use, preventing precipitation, and the color development is persistent and uniform.

[0024] The tannic acid in the Chinese gall extract can be hydrolyzed to produce gallic acid (e.g., tannic acid → glucose + gallic acid), which is a natural organic acid with the chemical name 3,4,5-trihydroxybenzoic acid. Its structural feature is that the benzene ring contains three adjacent hydroxyl groups (phenolic hydroxyl groups) and one carboxyl group, belonging to polyphenolic compounds. The polyphenolic structure can efficiently scavenge free radicals and has better antioxidant capacity than vitamin C. It can be complexed with metal ions to form pigments.

[0025] Gallic acid has the advantage of preventing hair loss and strengthening hair. It reduces the conversion of testosterone to dihydrotestosterone (DHT) by inhibiting 5α-reductase activity, thereby alleviating hair follicle atrophy caused by excessive DHT. In addition, the polyphenol structure can penetrate the hair cuticle, form hydrogen bonds with keratin, repair damaged hair shaft, fill the protein loss areas of the hair cortex, and reduce split ends.

[0026] Gallic acid has the advantages of anti-oxidation and color protection, delaying the fading of hair color after dyeing: it complexes metal ions: it combines with ions such as copper and iron to reduce oxidative fading (especially for red hair dyes), and absorbs 290-320nm ultraviolet rays to reduce the photodegradation of hair keratin.

[0027] Gallic acid improves the scalp environment, inhibiting dandruff-related fungi (such as Malassezia) by up to 68%, lowering the scalp pH (towards the healthy scalp's 4.5-5.5), and inhibiting the excessive growth of harmful bacteria.

[0028] Anti-inflammatory and soothing, inhibiting inflammatory pathways: downregulates NF-κB signaling, reduces the release of pro-inflammatory factors such as IL-1β and TNF-α, and relieves itching caused by seborrheic dermatitis and folliculitis; repairs the barrier: promotes the synthesis of ceramides in the scalp stratum corneum and enhances the physical barrier (reducing the penetration of external irritants).

[0029] Regulates sebaceous glands: Inhibits key enzymes in lipid synthesis in sebaceous cells (such as fatty acid synthase FAS).

[0030] Oil-absorbing properties: Polyphenolic hydroxyl groups can absorb excess oil, keeping the scalp matte (but not overly dry).

[0031] Gallic acid has antioxidant properties that protect hair follicle melanocytes, neutralize free radicals (such as H2O2) around the hair follicles, and slow down the decline in tyrosinase activity caused by oxidative damage to melanocytes.

[0032] At low concentrations (<0.1%), it slightly stimulates tyrosinase activity, which may promote melanin synthesis by activating the MITF signaling pathway.

[0033] This invention does not contain traditional oxidized intermediates such as p-phenylenediamine and resorcinol, and the dyeing process does not rely on oxidants such as hydrogen peroxide. Therefore, it has minimal scalp irritation and a low risk of sensitization. Coloring can be completed at a neutral pH, aligning with current consumer preferences for hypoallergenic, low-irritant, and plant-based hair dyes. It is suitable for those pursuing a healthy lifestyle and natural hair care principles. The resulting color is natural, has good adhesion, and provides effective whitening, while also exhibiting good gentleness and scalp compatibility.

[0034] Xanthan gum high molecular polysaccharide chain forms a helical structure (pseudoplastic fluid), cold water soluble, acid and alkali resistant, hydroxypropyl fiber, hydrophilic group forms a hydrogen bond network, temperature sensitive gel, which combines to act as a thickening stabilizer.

[0035] The plant natural pigment extract consists of one or more of gardenia fruit extract, rosette flower extract, radix falcaliae extract, sophora fruit extract, coffee extract and gardenia yellow extract.

[0036] One or more of gardenia fruit extract, rosette flower extract, radix falcaliae extract, sophora fruit extract, coffee extract and gardenia yellow extract are matched with gallnut extract (containing tannic acid) to achieve natural toning. The main color developing component of gallnut extract (containing tannic acid) provides natural tannic acid. As shown in the figure, the target color system is exemplified. Fig. 3

[0037] Gardenia fruit extract (containing Crocin / Genipin) provides yellow / blue natural color. Rosette flower extract (containing anthocyanins) is a red-purple tone regulator, radix falcaliae extract enhances black-brown tone and hair care.

[0038] Gallnut + sophora fruit + coffee extract is a warm brown tone regulator, which is close to natural hair color and soft and natural.

[0039] Gallnut + gardenia yellow + citric acid forms a green-black tone regulator, and acidic hair color is cold green-black. At the same time, many natural plants such as gardenia, sophora fruit, rosette flower, red sandalwood, radix falcaliae, etc. are rich in anthocyanins, flavonoids, anthraquinones and other pigments, which have independent color developing ability and can produce complementary or enhanced color performance with tannic acid-iron complex. Therefore, it is necessary to construct a new plant hair dyeing system, which combines gallnut, ferrous gluconate and natural pigment extract to realize a plant dyeing system with multiple color tones such as natural black, black-brown, purple-black and red-brown.

[0040] The plant basic dye paste also includes allantoin / β-glucan 0.1-0.5%, soothing anti-sensitivity, no irritation to the scalp, pH adjuster 0.3-0.8%.

[0041] The color developing agent solution also includes ethanol 3-10%, which can be selected or not selected, wherein the ethanol has the functions of penetration and antibacterial.

[0042] The essence is a natural essential oil, which can be matched with different fragrances according to the needs of different users.

[0043] ​The application method process is as follows: firstly, according to the color of the hair to be dyed, one or more pairs of plant natural pigment extracts consisting of gardenia fruit extract, rosette flower extract, radix polygoni multiflori praeparata extract, sophora fruit extract, coffee extract and gardenia yellow extract are selected;

[0044] Example 2, a multi-tone plant hair dyeing composition based on Chinese gall with ferrous gluconate and natural pigments, classic natural black (black and gray tone), including a plant base dye paste and a color developing agent solution;

[0045] The plant base dye paste comprises, by mass fraction: Chinese gall extract containing tannic acid 8%, xanthan gum 0.6%, sodium citrate 0.5%, and deionized water to 100%;

[0046] The color developing agent solution comprises, by mass fraction: ferrous gluconate 1.5%, citric acid 0.3%, disodium EDTA 0.2%, glycerol 4%, and essence 0.05%, and deionized water to 100%. The color after dyeing: grayish black with a cold tone, natural color development, suitable for male and white hair covering needs.

[0047] Example 2, a multi-tone plant hair dyeing composition based on Chinese gall with ferrous gluconate and natural pigments, including a plant base dye paste and a color developing agent solution;

[0048] The plant base dye paste comprises, by mass fraction: Chinese gall extract containing tannic acid 8%, gardenia fruit extract (containing Genipin) 3%, hydroxypropyl fiber 0.5%, propylene glycol 7%, and deionized water to 100%;

[0049] The color developing agent solution comprises, by mass fraction: ferrous gluconate 1.8%, citric acid 0.04%, glycerol 3%, natural lavender essential oil 0.05%, and deionized water to 100%; the color after dyeing: deep blue black, strong cold feeling, good white hair covering, hair with luster, suitable for young consumer groups.

[0050] Example 4, a multi-tone plant hair dyeing composition based on Chinese gall with ferrous gluconate and natural pigments, including a plant base dye paste and a color developing agent solution;

[0051] The plant base dye paste comprises, by mass fraction: Chinese gall extract containing tannic acid 5%, rosette flower extract (rich in anthocyanins) 2%, xanthan gum 0.8%, propylene glycol 6%, sodium citrate 0.3%, allantoin 0.2%, and deionized water to 100%;

[0052] The color developer solution contains the following mass fractions: 1.2% ferrous gluconate, 0.5% citric acid, 0.15% disodium EDTA, 3% glycerol, 1.2% hydroxyethyl cellulose, and deionized water to 100%; the dyed color is a reddish-brown, suitable for users with light or gray hair.

[0053] Example 5: A multi-tone plant-based hair dye composition based on gallnut, ferrous gluconate, and natural pigments, comprising a plant-based dye paste and a color developer solution;

[0054] The plant-based dye paste comprises, by mass fraction: 8.5% gallnut extract containing tannic acid, 2% sophora japonica extract (containing flavonoids), 1% coffee extract, 6% glycerin, 0.5% hydroxypropyl cellulose, and 0.5% sodium citrate, diluted to 100% with deionized water.

[0055] The color developer solution contains the following mass fractions: 2.0% ferrous gluconate, 0.3% citric acid, 4% glycerin, and 0.1% fragrance (sweet orange oil); the dyed color is a reddish-brown, suitable for light-colored or gray hair.

[0056] Example 6: A multi-tone plant-based hair dye composition based on gallnut, ferrous gluconate, and natural pigments, comprising a plant-based dye paste and a color developer solution;

[0057] The plant-based dye paste comprises, by mass fraction: 9% gallnut extract containing tannic acid, 1% gardenia extract, 1% coffee extract, 6% glycerin, 8% propylene glycol, 8.0% cetearyl alcohol, 2.0% cetearyl alcohol polyether-20, 0.5% hydroxypropyl cellulose, 0.4% sodium citrate, 0.2% β-glucan, and deionized water to 100%.

[0058] The color-developing agent solution contains the following mass fractions: 2.0% ferrous gluconate, 0.5% citric acid, 0.2% disodium EDTA, and 3% glycerol; it is black with a cool green tint.

[0059] Example 7, a multi-tone plant-based hair dye composition based on gallnut, ferrous gluconate and natural pigments, comprising a plant-based dye paste and a color developer solution;

[0060] The plant-based dye paste comprises, by mass fraction: 9% gallnut extract containing tannic acid, 2% roselle extract, 2% gardenia fruit extract, 2% gardenia fruit extract, 5% propylene glycol, 0.5% xanthan gum, 0.5% sodium citrate, and deionized water to 100%.

[0061] The color developer solution contains the following mass fractions: 2.0% ferrous gluconate, 0.3% citric acid, 4% glycerol, 0.05% natural fragrance (ylang-ylang oil), and deionized water to bring the total to 100%. The resulting color is purplish-black.

[0062] After shampooing, the plant base dye paste is applied evenly on dry or slightly damp hair, left to stand for 20-40 minutes, then rinsed or semi-rinsed; then the developer solution is sprayed or applied on the hair, left to stand for 10-30 minutes, air-dried or rinsed, with the pH change, Fe 2+ - the tannin complexation reaction, which gradually develops the target shade.

[0063] It is understood by those skilled in the art that the above embodiments are specific examples of the implementation of the present application, and that in practical applications, various changes can be made in form and details without departing from the spirit and scope of the present application.

Claims

1. A multi-tone plant-based hair dye composition based on gallnut, ferrous gluconate, and natural pigments, characterized in that, Includes plant-based dye pastes and color-developing solutions; The plant-based dye paste comprises, by mass fraction: 5–15% gallnut extract containing tannic acid, 0–5% plant natural pigment extract, 0.3–1.0% xanthan gum / hydroxypropyl cellulose, 5–10% glycerin / propylene glycol, and deionized water to 100%. The colorimetric reagent solution comprises, by mass fraction: 0.5–2.0% ferrous gluconate, 0.2–0.5% citric acid, 0.1–0.2% disodium EDTA, 2–5% glycerol, 0.05–0.1% fragrance, and deionized water to 100%.

2. The multi-tone plant-based hair dye composition based on gallnut, ferrous gluconate, and natural pigments according to claim 1, characterized in that: The plant natural pigment extract is composed of one or more of the following: gardenia fruit extract, roselle extract, fleeceflower root extract, sophora japonica flower extract, coffee extract, and gardenia yellow extract.

3. The multi-tone plant-based hair dye composition based on gallnut, ferrous gluconate, and natural pigments according to claim 1, characterized in that: The plant-based dye paste also includes 0.1–0.5% allantoin / β-glucan and 0.3–0.8% pH adjuster.

4. The multi-tone plant-based hair dye composition based on gallnut, ferrous gluconate, and natural pigments according to claim 1, characterized in that: The colorimetric reagent solution also includes 3–10% ethanol.

5. The multi-tone plant-based hair dye composition based on gallnut, ferrous gluconate, and natural pigments according to claim 1, characterized in that: The fragrance is made of natural oils.

6. A method for applying the multi-tone plant-based hair dye composition based on gallnut, ferrous gluconate, and natural pigments as described in any one of claims 1-5, characterized in that: The application method is as follows: First, according to the desired hair color, select one or more of the following plant natural pigment extracts: gardenia fruit extract, roselle extract, fleeceflower extract, sophora japonica flower extract, coffee extract, and gardenia yellow extract. After shampooing, apply the plant-based dye evenly to dry or slightly damp hair, leave it on for 20–40 minutes, then rinse or partially rinse. Next, spray or apply the developer solution to the hair, leave it on for 10–30 minutes, and allow it to air dry or rinse. As the pH and Fe content change, the dye will react with the hair's natural color. 2+ - Tannin complexation reaction, gradually revealing the target color.

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