CN108125870B

CN108125870B - Scalp nourishing composition, preparation method and application thereof, and scalp nourishing shampoo

Info

Publication number: CN108125870B
Application number: CN201810136978.9A
Authority: CN
Inventors: 蒋日琼
Original assignee: Individual
Current assignee: Guangzhou Biqian Cosmetic Co ltd
Priority date: 2018-02-09
Filing date: 2018-02-09
Publication date: 2020-09-18
Anticipated expiration: 2038-02-09
Also published as: CN108125870A

Abstract

A scalp nourishing composition and a preparation method and application thereof are disclosed, the composition comprises the following components in parts by weight: 0.5-4 parts of celery seed extract, 0.5-4 parts of willow herb extract, 0.1-1.5 parts of coco dimethyl ammonium hydroxypropyl hydrolyzed keratin and 0.05-0.3 part of allantoin. The composition can inhibit a large amount of harmful bacteria, control scalp oil secretion, and maintain scalp metabolic balance, thereby improving scalp ecological environment fundamentally and further improving hair quality.

Description

Scalp nourishing composition, preparation method and application thereof, and scalp nourishing shampoo

Technical Field

The invention relates to the technical field of daily necessities, in particular to a scalp nourishing composition, a preparation method and application thereof, and scalp nourishing shampoo.

Background

Hair washing and caring products become necessities of daily life of people and are used for cleaning and caring hair. At present, shampoo, hair conditioner and other washing and protecting products in the market are various in variety, but most products attach importance to the effect of hair, neglect the protection of scalp, cannot improve the hair quality fundamentally and destroy the ecological environment of the scalp.

The ecological environment of the scalp is maintained mainly by three major balances: lipid, flora and metabolic balance. Wherein, the imbalance of the grease secretion of the scalp can cause the scalp to be greasy, and further cause the hair to be greasy; when the scalp flora environment is unbalanced and a large amount of harmful bacteria are bred, the phenomenon of itching can be caused; an imbalance in scalp stratum corneum metabolism can lead to the production of dandruff.

Some products are added with partial powerful chemical reagents for enhancing the effects of cleaning, softening and relieving itching, and the substances easily cause scalp injury and can cause serious imbalance of scalp ecological environment after long-term use.

For example, some products are added with silicone oil in order to make washed hair more beautiful and smooth, but the silicone oil is synthetic polymer which is extremely difficult to degrade, and excessive use of the silicone oil can cause silicone oil accumulation on scalp, so that not only can the secretion of grease be unbalanced, but also the substances can stimulate a large amount of proliferation of harmful bacteria to cause phenomena such as itching of the head; some products are added with antifungal agents such as climbazole and piroctone olamine in order to increase the effect of relieving itching, and although the addition of the antifungal agents can inhibit the propagation of bacteria to a certain extent and achieve the effect of relieving itching, the products easily cause scalp allergy, easily cause imbalance of scalp grease secretion, and even aggravate the occurrence of alopecia, hair breakage and the like.

Therefore, in order to improve the hair quality fundamentally and return the scalp and hair to a healthy state, it is necessary to maintain the scalp ecological environment.

Disclosure of Invention

Based on the above, there is a need for a scalp nourishing composition capable of improving the ecological environment of the scalp, a preparation method, an application and a scalp nourishing shampoo thereof.

A scalp nourishing composition is mainly prepared from the following components in parts by weight:

the scalp nourishing composition comprises celery seed extract, willowherb extract, coco dimethyl ammonium hydroxypropyl hydrolyzed keratin and allantoin. By controlling the content of each component, the composition can inhibit a large amount of harmful bacteria for nourishing, control the secretion of scalp grease, and maintain the metabolic balance of the scalp, thereby fundamentally improving the ecological environment of the scalp and further achieving the purpose of improving the hair quality.

In addition, the composition can deeply repair damaged hair, promote hair metabolism, and prevent hair damage. And all the components of the composition are nontoxic, non-irritant, non-allergic, green and healthy.

In one embodiment, in the scalp nourishing composition, the celery seed extract is 1-3 parts, the willowherb extract is 1-3 parts, the coco dimethyl ammonium hydroxypropyl hydrolyzed keratin is 0.65-0.85 part, and the allantoin is 0.15-0.25 part.

A preparation method of the scalp nourishing composition comprises the following steps: and (3) uniformly mixing the celery seed extract, the willow herb extract, the coco dimethyl ammonium hydroxypropyl hydrolyzed keratin and the allantoin to obtain the scalp nourishing composition.

The scalp nourishing composition is applied to hair washing and caring products.

The scalp nourishing composition can prevent imbalance of scalp grease secretion, inhibit massive nutrition of harmful bacteria, maintain scalp metabolic balance, fundamentally improve the ecological environment of the scalp and further achieve the aim of improving hair quality. Therefore, the scalp nourishing composition is suitable for hair washing and hair care products.

A scalp nourishing shampoo is mainly prepared from the scalp nourishing composition, water and auxiliary materials acceptable in daily necessities.

In one embodiment, the scalp nourishing composition is 1.15-9.8 parts by weight, the auxiliary material is 30-65 parts by weight, and the water is 30-60 parts by weight in the scalp nourishing shampoo.

In one embodiment, the auxiliary materials comprise the following components in parts by weight: 25-40 parts of surfactant, 3-10 parts of hair conditioner, 0.3-0.8 part of aromatic, 0.3-1.5 parts of preservative, 1-3 parts of thickening agent, 1-5 parts of humectant, 0.05-0.15 part of chelating agent and 0.05-0.1 part of neutralizer.

In one embodiment, the surfactant is a combination of 18-21 parts by weight of sodium laureth sulfate, 3-6 parts by weight of cocamidopropyl betaine, 1-3 parts by weight of sodium laurylglucarate, 1-3 parts by weight of lauryl glucoside, 1-3 parts by weight of potassium cocoyl glycinate and 1-3 parts by weight of cocamidopropyl amine oxide; and/or

The hair conditioner is a combination of PPG-5-cetyl alcohol polyether-201-3 parts, di (PPG-2 myristyl alcohol polyether-10) adipate 1-3 parts, oleyl alcohol polyether-200.5-1.5 parts, PPG-3 benzyl ether myristate 0.5-1.5 parts, citric acid 0.1-0.3 part and guar gum hydroxypropyl trimethyl ammonium chloride 0.05-0.15 part; and/or

The preservative is a combination of 0.1-0.5 part of phenoxyethanol, 0.1-0.5 part of ethylhexyl glycerol and 0.1-0.3 part of methylparaben; and/or

The humectant is a combination of 1-3 parts of PEG-7 olive oleate, 0.1-1 part of caprylic acid and 0.1-1 part of capric triglyceride; and/or

The aromatic is essence; and/or

The thickening agent is a combination of 0.5-3 parts of PEG-150 pentaerythritol tetrastearate and 0.5-3 parts of PPG-2 hydroxyethyl cocamide; and/or

The chelating agent is EDTA disodium; and/or

The neutralizing agent is sodium hydroxide.

A preparation method of scalp nourishing shampoo comprises the following steps: and uniformly mixing the auxiliary materials and the water at the temperature of 60-90 ℃, then cooling to 30-55 ℃, adding the scalp nourishing composition, and uniformly stirring to obtain the scalp nourishing shampoo.

The preparation method can effectively prevent the active components from being inactivated by uniformly mixing the auxiliary materials at a higher temperature and then reducing the temperature to 30-55 ℃ and adding the scalp nourishing composition.

A preparation method of scalp nourishing shampoo comprises the following steps:

uniformly mixing the neutralizing agent with water;

adding oleyl ether-20, PPG-5-cetyl polyether-20, guar hydroxypropyl trimonium chloride and PPG-3 benzyl ether myristate in the hair conditioner, sodium lauryl polyether sulfate, cocamidopropyl betaine, sodium lauryl glucose carboxylate, lauryl glucoside and potassium cocoyl glycinate in the surfactant, methyl hydroxybenzoate in the preservative and the chelating agent at 70-90 ℃, and uniformly stirring;

cooling to 30-55 deg.C, adding the composition for nourishing scalp, the humectant, the thickener, the aromatic, cocamidopropyl amine oxide in the surfactant, di (PPG-2 myristyl polyether-10) adipate in the hair conditioner, and phenoxyethanol and ethylhexyl glycerin in the preservative, and stirring uniformly;

citric acid added to the hair conditioner;

standing, aging and defoaming to obtain the scalp nourishing shampoo.

The preparation method selects proper adding sequence and adding temperature according to the characteristics of each component, not only can exert the function of each component to the maximum extent, but also can conveniently monitor the characteristics and pH value of a mixing system in each step, so that the prepared shampoo has better characteristics and proper pH value.

Drawings

Fig. 1 is a photograph taken at a macro-scale of the scalp of a volunteer in group 8 of example using the shampoos of comparative example 1 and example 3.

Detailed Description

In order that the invention may be more fully understood, a more particular description of the invention will now be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention provides a nourishing scalp composition which comprises the following components in parts by weight: 0.5-4 parts of celery seed extract, 0.5-4 parts of willow herb extract, 0.1-1.5 parts of coco dimethyl ammonium hydroxypropyl hydrolyzed keratin and 0.05-0.3 part of allantoin.

In one embodiment, the celery seed extract is 1-3 parts, the willowherb extract is 1-3 parts, the coco dimethyl ammonium hydroxypropyl hydrolyzed keratin is 0.65-0.85 part, and the allantoin is 0.15-0.25 part.

In one embodiment, the celery seed extract is 1.5-2.5 parts, the willowherb extract is 1.5-2.5 parts, the coco dimethyl ammonium hydroxypropyl hydrolyzed keratin is 0.65-0.85 part, and the allantoin is 0.15-0.25 part.

In one embodiment, the weight ratio of the celery seed extract to the willowherb extract is 2: 1-1: 1.

In one embodiment, the weight ratio of the celery seed extract to the willowherb extract is 1.5: 1-1: 1.

Yeasts of the malassezia (Malasseia) type are present on the scales at the hair follicle level, and the proportion of their own microflora is correlated with the condition of the scalp. The genus can secrete specific phospholipase and lipase, promote hydrolysis of glycerophospholipid, etc., and cause accumulation of by-products such as arachidonic acid or oleic acid, etc., thereby stimulating scalp and causing scalp ecological environment imbalance. In addition, hyperproliferation of malassezia furfur, malassezia globosa, or the like also changes the stratum corneum, which is a skin barrier, and makes the scalp abnormally sensitive. The celery seed extract and the willowherb extract in the scalp nourishing composition can regulate and control the flora of the scalp, further control the secretion of grease and repair the integrity of the epidermis, fundamentally improve the ecological environment of the scalp, nourish the scalp and further improve the hair quality.

In addition, the coconut dimethyl ammonium hydroxypropyl hydrolyzed keratin and the allantoin are added into the composition, wherein the coconut dimethyl ammonium hydroxypropyl hydrolyzed keratin has strong capacity of adsorbing and wrapping pollutant particles, the included angles of hair scales and dust particles in hair cavities are thoroughly removed, the hair cavities are repaired and filled with the hydrolyzed keratin, the purpose of repairing damage is achieved, and the composition can also neutralize electric repulsion of the hair scales and hair, help the hair scales to be closed, lock moisture and other nutritional ingredients of the hair, enable the hair scales to become flat, and enable the hair to become bright. Allantoin has effects of promoting cell growth, promoting cell metabolism, softening keratin, and preventing hair bifurcation and broken hair.

The scalp nourishing composition can inhibit a large amount of harmful bacteria, control scalp grease secretion and maintain scalp metabolic balance, thereby fundamentally improving the ecological environment of the scalp and further achieving the purpose of improving the hair quality.

The term "extract" means a substance obtained by immersing or mixing an extracted substance in a solvent and appropriately treating the substance. The extraction process can be carried out with the aid of a suitable solvent selected, for example: water, ethanol/water mixture, methanol, propanol, butanol, chloroform, acetone or other organic solvent, and extracting by separation, decocting, countercurrent extraction, low temperature and high pressure continuous extraction, ultrasonic wave, microwave, and supercritical fluid extraction, and further evaporating and concentrating or spray drying to obtain extract and dried product.

In one embodiment, the celery seed extract is obtained by supercritical extraction.

In one embodiment, the willowherb extract is obtained by a low-temperature high-pressure continuous extraction method.

The celery seed extract is extracted from celery seed. The herba Epilobii Angustifoii extract is obtained from root, stem, leaf or flower of Epilobium angustifolium. The extract can be solid matter, extract, or extractive solution.

The present invention also provides a method for preparing the scalp nourishing composition according to an embodiment, including the steps of: mixing the celery seed extract, the willow herb extract, the coco dimethyl ammonium hydroxypropyl hydrolyzed keratin and the allantoin uniformly to obtain the scalp nourishing composition.

In addition, the present invention also provides a use of the scalp nourishing composition of the embodiment in a hair washing and caring product.

The composition may be used in hair-related care products, such as: shampoo, hair conditioner, essential oil, hair dye cream and the like, and can select proper auxiliary materials and preparation processes according to needs.

The invention also relates to scalp nourishing shampoo of an embodiment, which is mainly prepared from the scalp nourishing composition, auxiliary materials acceptable in daily necessities and water.

In one embodiment, the scalp nourishing composition is 3-9 parts by weight, the auxiliary material is 35-55 parts by weight, and the water is 30-60 parts by weight in the scalp nourishing shampoo.

In one embodiment, the scalp nourishing composition is 4-7 parts by weight, the auxiliary material is 40-50 parts by weight, and the water is 30-60 parts by weight in the scalp nourishing shampoo.

The surfactant may be various surfactants acceptable in daily necessities, such as nonionic surfactant, anionic surfactant, cationic surfactant, doubly charged and zwitterionic surfactant.

In one embodiment, the surfactant is an amino acid surfactant and/or a glycoside surfactant.

In one embodiment, the surfactant is a betaine.

The surfactant is milder and less irritating to the scalp than conventional fatty acid sulfate surfactants.

In one embodiment, the surfactant is one or more of sodium laureth sulfate, cocamidopropyl betaine, sodium lauryl glucarate, lauryl glucoside, potassium cocoyl glycinate, and cocamidopropyl amine oxide.

In one embodiment, the surfactant is a combination of sodium laureth sulfate, cocamidopropyl betaine, sodium lauryl glucarate, lauryl glucoside, potassium cocoyl glycinate, and cocamidopropyl amine oxide.

In one embodiment, in the surfactant, by weight, 18-21 parts of sodium laureth sulfate, 3-6 parts of cocamidopropyl betaine, 1-3 parts of sodium lauryl glucose carboxylate, 1-3 parts of lauryl glucoside, 1-3 parts of potassium cocoyl glycinate and 1-3 parts of cocamidopropyl amine oxide are included.

In one embodiment, in the surfactant, the amount of sodium laureth sulfate is 19 to 21 parts, the amount of cocamidopropyl betaine is 4 to 6 parts, the amount of sodium laureth carboxylate is 1.5 to 2.5 parts, the amount of lauryl glucoside is 1.5 to 2.5 parts, the amount of potassium cocoyl glycinate is 1.5 to 2.5 parts, and the amount of cocamidopropyl amine oxide is 1.5 to 2.5 parts, by weight.

Hair conditioners include any material used to improve the specific condition of keratinous tissue. For example: one or more agents useful for hair lightening, softening, anti-static, moisturizing, damage repair, and the like. Hair conditioners may comprise emulsified liquid particles of a water insoluble, water dispersible, non-volatile liquid.

In one embodiment, the hair conditioning agent is one or more of PPG-5-cetyl polyether-20, di (PPG-2 myristyl oleyl polyether-10) adipate, oleyl polyether-20, PPG-3 benzyl ether myristate, citric acid, and guar hydroxypropyl trimonium chloride.

In one embodiment, the hair conditioning agent is a combination of PPG-5-cetyl polyether-20, di (PPG-2 myristyl oleyl polyether-10) adipate, oleyl polyether-20, PPG-3 benzyl ether myristate, citric acid, and guar hydroxypropyltrimonium chloride.

In one embodiment, the hair conditioner comprises, by weight, 1 to 3 parts of PPG-5-cetyl polyether-20, 1 to 3 parts of bis (PPG-2 myristyl polyether-10) adipate, 0.5 to 1.5 parts of oleyl polyether-20, 0.5 to 1.5 parts of PPG-3 benzyl ether myristate, 0.1 to 0.3 parts of citric acid, and 0.05 to 0.15 parts of guar hydroxypropyl trimethyl ammonium chloride.

In one embodiment, the hair conditioner comprises, by weight, 1.5 to 2.5 parts of PPG-5-cetyl polyether-20, 1.5 to 2.5 parts of bis (PPG-2 myristyl polyether-10) adipate, 0.8 to 1.2 parts of oleyl polyether-20, 0.8 to 1.2 parts of PPG-3 benzyl ether myristate, 0.2 to 0.3 parts of citric acid, and 0.08 to 0.12 parts of guar hydroxypropyl trimethyl ammonium chloride. The antiseptic can prevent product deterioration and prolong service life.

In one embodiment, the preservative is one or more of phenoxyethanol, ethylhexylglycerin, and methylparaben.

The preservative is mild, has no stimulation and is not easy to sensitize.

In one embodiment, the preservative is a combination of phenoxyethanol, ethylhexylglycerin, and methylparaben.

In one embodiment, the preservative comprises, by weight, 0.1 to 0.5 part of phenoxyethanol, 0.1 to 0.5 part of ethylhexyl glycerol, and 0.1 to 0.3 part of methyl hydroxybenzoate.

In one embodiment, the preservative comprises, by weight, 0.2-0.4 part of phenoxyethanol, 0.2-0.4 part of ethylhexyl glycerol, and 0.1-0.2 part of methyl hydroxybenzoate.

The humectant can obtain water from the surrounding environment, and has the effect of long-acting moisture retention of the auxiliary shampoo. The humectant can be polyalcohol, organic acid salt, etc.

In one embodiment, the humectant is one or more of PEG-7 olive oleate, caprylic acid and capric acid triglyceride.

In one embodiment, the humectant is a combination of PEG-7 olive oleate, caprylic acid and capric acid triglycerides.

In one embodiment, the moisture retention agent comprises, by weight, 1-3 parts of PEG-7 olive oleate, 0.1-1 part of caprylic acid and 0.1-1 part of capric triglyceride.

In one embodiment, the moisture retention agent comprises, by weight, 1-2 parts of PEG-7 olive oleate, 0.2-0.5 part of caprylic acid and 0.2-0.5 part of capric triglyceride.

The thickening agent is used for adjusting the viscosity of the shampoo and enabling the shampoo to have good properties.

In one embodiment, the thickener is a combination of PEG-150 pentaerythritol tetrastearate and PPG-2 hydroxyethyl cocamide.

In one embodiment, the thickener comprises 0.5 to 3 parts by weight of PEG-150 pentaerythritol tetrastearate and 0.5 to 3 parts by weight of PPG-2 hydroxyethyl cocamide.

In one embodiment, in the thickener, 1 to 2 parts by weight of PEG-150 pentaerythritol tetrastearate and 1 to 2 parts by weight of PPG-2 hydroxyethyl cocamide are present.

The aromatic can increase the fragrance of shampoo and improve the acceptance of people.

In one embodiment, the fragrance is a perfume.

The chelating agent can be complexed with metal, soften hard water, enhance the stability of the product and also have a certain bactericidal effect.

In one embodiment, the chelating agent is disodium EDTA.

The neutralizing agent can adjust the pH of the product to provide the product with a suitable pH.

In one embodiment, the neutralizing agent is sodium hydroxide.

The above components are all commercially available. The raw materials of the single components can be purchased directly, and the commodities formed by mixing a plurality of components can be purchased, such as: LGC SORB (trade name) is a compound of sodium lauryl glucose carboxylate and lauryl glucoside, VERSATHIX-LQ (trade name) is a compound of PEG-150 pentaerythritol tetrastearate and PPG-2 hydroxyethyl cocamide PE9010 (trade name) is a compound of phenoxyethanol and ethylhexyl glycerol. It is only necessary that the total amount added is within the range of the above-mentioned auxiliary materials.

The scalp nourishing shampoo can prevent imbalance of scalp grease secretion, inhibit massive nutrition of harmful bacteria, maintain scalp metabolic balance, fundamentally improve the ecological environment of the scalp and further achieve the purpose of improving hair quality. The foaming speed, the foam quantity, the foam stabilizing time and the foam fineness of the shampoo are not obviously influenced, the shampoo can also soften hair, nourish scalp and improve combing property, and the addition amount of anti-dandruff and moisture-retention components in the formula can be correspondingly reduced.

In addition, the present invention provides a method for preparing a scalp nourishing shampoo according to an embodiment, including the following steps S101 to S102.

S101: mixing adjuvants and water at 60-90 deg.C.

In this step, the order of adding the auxiliary materials is not particularly limited, and it is only necessary to add all the auxiliary materials into water and then stir and mix them uniformly.

In addition, the sequence of heating and adding the auxiliary materials is not particularly limited, the water can be heated to 60-90 ℃ first, then all the auxiliary materials are added, or all the auxiliary materials are added first and then heated, so long as the auxiliary materials can be fully stirred and uniformly mixed.

The stirring speed is not particularly limited, and may be adjusted according to the material stirring condition.

S102: then cooling to 30-55 ℃, adding the scalp nourishing composition, and uniformly stirring to obtain the scalp nourishing shampoo.

The scalp nourishing composition is added after the temperature is reduced to 30-55 ℃, so that the degradation of the effective components can be effectively prevented.

In one embodiment, the scalp nourishing composition is added after the temperature is brought to 40-50 ℃.

The present invention also provides a method for preparing a scalp nourishing shampoo according to another embodiment, including the following steps S201 to S205.

S201: and uniformly mixing the neutralizer with water.

The neutralizing agent is added into water, and other components are added after the neutralizing agent is dissolved, so that the dispersing of the other components is facilitated.

The neutralizing agent may be added after being dissolved in an appropriate amount of water, or the solid neutralizing agent may be added directly and slowly.

The stirring speed in this step is not particularly limited, and in one embodiment, the stirring is performed at a low speed (15 Hz).

S202: adding oleyl ether-20, PPG-5-cetyl polyether-20, guar hydroxypropyl trimethyl ammonium chloride and PPG-3 benzyl ether myristate in hair conditioner, sodium laureth sulfate, cocamidopropyl betaine, sodium lauryl glucose carboxylate, lauryl glucoside and potassium cocoyl glycinate in surfactant, methyl hydroxybenzoate and chelating agent in antiseptic at 70-90 deg.C, and stirring;

in this step, the order of addition of the components is not particularly limited.

In one embodiment, oleyl polyether-20, PPG-5-cetyl polyether-20 and PPG-3 benzyl ether myristate in the hair conditioner are added at 70-90 deg.C and stirred uniformly; adding sodium laureth sulfate, cocamidopropyl betaine, sodium lauryl glucose carboxylate, lauryl glucoside, potassium cocoyl glycinate, methyl hydroxybenzoate, guar hydroxypropyl trimonium chloride, and chelating agent, and stirring.

In this step, the stirring speed and the stirring time are not particularly limited.

In one embodiment, oleyl ether-20, PPG-5-cetyl ether-20 and PPG-3 benzyl ether myristate as hair conditioner are added at 70-90 deg.C, and stirred at medium speed (35Hz) for 5-15 min; adding sodium laureth sulfate, cocamidopropyl betaine, sodium lauryl glucose carboxylate, lauryl glucoside, potassium cocoyl glycinate, methyl hydroxybenzoate, guar hydroxypropyl trimonium chloride and chelating agent, and stirring at medium speed (35Hz) for 20-40 min.

S203: cooling to 30-55 deg.C, adding nourishing scalp composition, humectant, thickener, aromatic, cocamidopropyl amine oxide in surfactant, di (PPG-2 myristyl polyether-10) adipate in hair conditioner, and phenoxyethanol and ethylhexyl glycerol in antiseptic, and stirring;

In one embodiment, after cooling to 45-55 ℃, adding cocamidopropylamine oxide in surfactant and PEG-7 olive oleate in humectant, and stirring uniformly; cooling to 35-43 deg.C, adding the composition for nourishing scalp, caprylic acid and capric acid triglyceride in humectant, di (PPG-2 myristyl polyether-10) adipate in hair conditioner, phenoxyethanol/ethylhexyl glycerol, thickener and aromatic in antiseptic, and stirring.

In one embodiment, after cooling to 45-55 deg.C, adding cocamidopropylamine oxide in surfactant and PEG-7 olive oleate in humectant, and stirring at high speed (45Hz) for 15-30 min; cooling to 35-43 deg.C, adding the composition for nourishing scalp, caprylic acid and capric acid triglyceride in humectant, di (PPG-2 myristyl polyether-10) adipate in hair conditioner, phenoxyethanol, ethylhexyl glycerol, thickener and aromatic in antiseptic, and stirring.

S204: citric acid added to the hair conditioner.

Citric acid may be added slowly during this step until the desired viscosity is reached.

S205: standing, aging and defoaming to obtain the scalp nourishing shampoo.

The time for standing, aging and defoaming is not particularly limited, and only the absence of bubbles is observed.

It should be noted that, each of the above steps can be used as a control point of the process and quality, and the product condition in the preparation process can be monitored in real time. After the product is prepared, the appearance, viscosity, microorganisms and the like of the product need to be detected so as to meet the relevant regulations of daily necessities.

The preparation method selects proper adding sequence and adding temperature according to the characteristics of each component, not only can maintain the function of each component to the maximum extent, but also can conveniently monitor the character and pH value of a mixing system in each step, so that the prepared shampoo has better shape and proper pH value.

The present invention will be described with reference to specific examples.

In the following examples, reagents or instruments of which specific sources are not specified are commercially available reagents or instruments.

Celery seed extract: sederma France company

Willow herb extract: lucas Meyer Cosmetics

Example 1

(1) Scalp-nourishing composition

The components of the scalp nourishing composition of example 1 in parts by weight are: 0.5 part of celery seed extract, 0.5 part of willow herb extract, 0.1 part of coco dimethyl ammonium hydroxypropyl hydrolyzed keratin and 0.05 part of allantoin;

the preparation method of the composition comprises the following steps:

mixing the celery seed extract, willow herb extract, coco dimethyl ammonium hydroxypropyl hydrolyzed keratin and allantoin uniformly.

(2) Scalp nourishing shampoo

The scalp nourishing shampoo in the embodiment 1 comprises the following components in parts by weight (100 parts of the total components): 1.15 parts of nourishing scalp composition, 20 parts of sodium laureth sulfate, 5 parts of cocamidopropyl betaine, 1 part of sodium lauryl glucose carboxylate, 1.5 parts of lauryl glucoside, 2 parts of potassium cocoyl glycinate, 2 parts of cocamidopropyl amine oxide, 202 parts of PPG-5-cetyl polyether, 2 parts of bis (PPG-2 myristyl polyether-10) adipate, 201 parts of oleyl polyether, 1 part of PPG-3 benzyl ether myristate, 0.25 part of citric acid, 0.1 part of guar hydroxypropyl trimethyl ammonium chloride, 0.25 part of phenoxy ethanol, 0.25 part of ethylhexyl glycerol, 0.15 part of methyl hydroxybenzoate, 1.5 parts of PEG-7 olive oleate, 0.5 part of caprylic acid, 0.5 part of capric triglyceride, 0.5 part of essence, 1 part of PEG-150 pentaerythritol tetrastearate, 1 part of PPG-2 hydroxyethyl cocamide, 1 part of sodium lauryl glucose carboxylate, 1 part of lauryl glucoside, 1.5 parts of potassium cocoyl glycinate, 2 parts of cocamidopropyl betaine, 2 parts of PPG-3 benzyl, 0.1 part of EDTA disodium, 0.08 part of sodium hydroxide and the balance of water.

The preparation method of the shampoo comprises the following steps:

(a) cleaning related equipment, transferring and metering instruments, and disinfecting and draining for later use; accurately weighing the raw materials for later use.

(b) Slowly adding sodium hydroxide into water, stirring at low speed (15Hz), heating to 85 deg.C, adding oleyl polyether-20, PPG-5-cetyl polyether-20 and PPG-3 benzyl ether myristate, and stirring at medium speed (35Hz) for 10 min;

(c) adding sodium laureth sulfate, cocamidopropyl betaine, sodium lauryl glucose carboxylate, lauryl glucoside, potassium cocoyl glycinate, methyl hydroxybenzoate, guar hydroxypropyl trimonium chloride and disodium EDTA, and stirring at medium speed (35Hz) for 30 min;

(d) cooling to 50 deg.C, adding cocamidopropylamine oxide and PEG-7 olive oleate, and stirring at high speed (45Hz) for 20 min;

(e) cooling to 35-43 deg.C, adding scalp nourishing composition, caprylic acid, capric triglyceride, di (PPG-2 myristyl polyether-10) adipate, phenoxyethanol, ethylhexyl glycerol, PEG-150 pentaerythritol tetrastearate, PPG-2 hydroxyethyl cocamide and daily essence, stirring at medium speed (35Hz) for 30 min;

(f) after a prescribed period of time, citric acid was added and samples were taken to determine pH, appearance and viscosity.

(g) Standing, aging and defoaming, and sampling and inspecting microorganisms to obtain the scalp nourishing shampoo of the embodiment 1.

Examples 2-example 6 a scalp nourishing composition is substantially the same as that of example 1, except that the components are present in different amounts, as shown in table 1;

examples 2-6 scalp nourishing shampoo the scalp nourishing shampoo was substantially the same as the shampoo of example 1, except that the scalp nourishing composition was different.

TABLE 1

Note: the hydrolyzed keratin in table 1 refers to coco dimethyl ammonium hydroxypropyl hydrolyzed keratin.

Comparative examples 1-6 the nourishing scalp compositions were substantially the same as in example 1, except that the amounts of the components were different, as shown in table 2;

comparative examples 1-5 scalp nourishing shampoos were substantially the same as the shampoo of example 1, except that the scalp nourishing composition was different.

TABLE 2

Performance detection

(1) Expression of TLR9 (Toll-like receptor 9)

The principle is as follows: toll-like receptors (TLRs) are an important class of protein molecules involved in nonspecific immunity (innate immunity) and also serve as a bridge for connecting nonspecific immunity and specific immunity. TLRs are single transmembrane non-catalytic proteins that can recognize molecules of conserved structure derived from microorganisms. Studies have shown that malassezia furfur and malassezia globosa can be recognized by TLR9 in keratinocytes.

Test samples: examples 1 to 7 and comparative examples 1 to 6 are scalp moisturizing compositions;

sample pretreatment: the scalp moisturizing compositions in examples 1 to 7 and comparative examples 1 to 6 were prepared into a 1 μ M solution with DMSO;

the experimental method comprises the following steps: scalp explants from 1 female donor (36 years old) were divided into 14 groups of 13 for testing samples, 1 group was used as a blank, and the scalp explants (5mm diameter) of each group were treated as follows: contacting malassezia furfur suspension in culture medium for 3 days, removing the malassezia furfur suspension, adding pre-treated sample or placebo (pure DMSO), incubating for 3 days, rinsing, cutting the skin and labelling only TLR-9 on these sections, determining the rate of change relative to TLR9 when untreated; the results are shown in Table 3 below.

TABLE 3

*＝p＜0.01

As can be seen from the blank in Table 3, the TLR-9 labelling of the explants was improved upon contact with Malassezia furfur.

As can be seen from examples 1 to 7 and comparative examples 1 to 6 in table 3, the addition of the compositions of examples 1 to 7 and comparative examples 1 to 6 after contact with malassezia furfur reduced the labeling of TLR9 to a different extent, wherein the effect of the compositions of examples 1 to 7 was more significant and significantly higher than that of comparative examples 1 to 6. It is illustrated that the nourishing scalp compositions of examples 1 to 7 have the effect of regulating the ecological balance of the scalp.

The nourishing scalp composition of comparative example 1 lacks celery seed extract and has a greater concentration of willowherb extract than example 3. as can be seen from table 3, the TLR9 marker of example 3 is reduced by a greater amount than in comparative example 1. Also, the composition of comparative example 2 lacks willowherb extract and has a greater concentration of celery seed extract than in example 3, and it can be seen from table 3 that the TLR9 marker of example 3 is reduced by a greater magnitude than in comparative example 2. It is demonstrated that the absence of celery seed extract or willowherb extract both reduce the bacteriostatic effect of the composition, and that celery seed extract and willowherb extract have a synergistic effect in the above scalp nourishing compositions.

In addition, as can be seen from comparative examples 3-5, the lack of hydrolyzed keratin and/or allantoin all contribute to the effectiveness of the composition. As can be seen from comparative example 6, when the composition reaches a certain concentration, even if the concentration of each component is increased, the bacteriostatic effect is not greatly influenced.

(2) Market research

And (3) testing a product: shampoos of examples 1-7, comparative example 1, comparative example 2, and comparative example 5

The tester: 200 persons, between 23 and 60 years of age, 100 male, 100 female, divided into 10 groups of 20 persons each, 10 persons each, oily scalp and dry scalp;

examples 1 to 5 correspond to groups 1 to 7, respectively; comparative example 1 was group 8, comparative example 2 was group 9, and comparative example 5 was group 10;

the test method comprises the following steps:

firstly, all testers take a small amount of samples to be tested to coat the samples on ears, the samples are kept stand for 20min, and if discomfort symptoms exist, red swelling and eruption symptoms exist, the test results show that all testers do not have adverse symptoms, and the subsequent test can be carried out;

the cleaning agent is used once every two days, is continuously used for three months, is not used by other similar products during the test period, and evaluates the cleaning effect, the softening effect, the itching relieving effect, the dandruff removing effect and the irritation of the product; and the corresponding shampoo was used for cleaning two days before evaluation, and no product was used thereafter. And counting the average score of each group after scoring.

Evaluation criteria:

very preferably 10 minutes, preferably 7 to 9 minutes, preferably 4 to 6 minutes, by 1 to 3 minutes;

TABLE 4

After the test of the groups 8 to 10, the shampoo of example 3 was used again once every two days for three months, and the test results are shown in table 5.

TABLE 5

As can be seen from groups 1-7 of Table 4, the shampoos of examples 1-7 had better cleansing, softening, anti-dandruff, and anti-itch effects, and were non-irritating.

As can be seen by combining the groups 8 and 9 of tables 4 and 5, the anti-dandruff and anti-itching effects of example 3 were significantly better than those of comparative examples 1 and 2, excluding the individual differences.

As can be seen by combining the 10 th groups of tables 4 and 5, the cleaning and softening effects of example 3 are significantly better than those of comparative example 5, excluding individual differences.

In addition, fig. 1 is a photograph taken at a scalp microspur of a volunteer (female 32 years old, oily scalp) in group 8 using the shampoos of comparative example 1 and example 3, a is a photograph taken three months after using the shampoo of comparative example 1, and B is a photograph taken three months after using the shampoo of example 3, and it can be seen that the dandruff condition was significantly improved after using the shampoo of example 3.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The scalp nourishing composition is characterized by comprising the following components in parts by weight:

2. a nourishing scalp composition according to claim 1 characterized in that in the nourishing scalp composition 1-3 parts of said celery seed extract, 1-3 parts of said willowherb extract, 0.65-0.85 parts of said coco dimethyl ammonium hydroxypropyl hydrolysed keratin and 0.15-0.25 parts of said allantoin are present.

3. A method of preparing a nourishing scalp composition according to claim 1 or 2 comprising the steps of: and (3) uniformly mixing the celery seed extract, the willow herb extract, the coco dimethyl ammonium hydroxypropyl hydrolyzed keratin and the allantoin to obtain the scalp nourishing composition.

4. Use of a nourishing scalp composition according to claim 1 or 2 for the preparation of a hair care product.

5. A scalp nourishing shampoo which is characterized by being mainly prepared from the scalp nourishing composition as claimed in claim 1 or 2, water and auxiliary materials acceptable in daily necessities.

6. The scalp nourishing shampoo according to claim 5, wherein the scalp nourishing composition is 1.15 to 9.8 parts by weight, the auxiliary material is 30 to 65 parts by weight, and the water is 30 to 60 parts by weight of the scalp nourishing shampoo.

7. The nourishing scalp shampoo as claimed in claim 6, wherein the auxiliary materials comprise the following components in parts by weight: 25-40 parts of surfactant, 3-10 parts of hair conditioner, 0.3-0.8 part of aromatic, 0.3-1.5 parts of preservative, 1-6 parts of thickening agent, 1-5 parts of humectant, 0.05-0.15 part of chelating agent and 0.05-0.1 part of neutralizer.

8. The nourishing scalp shampoo as set forth in claim 7 wherein the surfactant is a combination of 18-21 parts by weight of sodium laureth sulfate, 3-6 parts by weight of cocamidopropyl betaine, 1-3 parts by weight of sodium lauryl gluconate, 1-3 parts by weight of lauryl glucoside, 1-3 parts by weight of potassium cocoyl glycinate and 1-3 parts by weight of cocamidopropyl amine oxide; and/or