CN116440032A

CN116440032A - Silicone oil-free hair restoration cream and preparation method thereof

Info

Publication number: CN116440032A
Application number: CN202211143556.7A
Authority: CN
Inventors: 胡培欣; 吴依娜; 周志刚; 邱晓锋
Original assignee: Nox Bellcow Cosmetics Co Ltd
Current assignee: Nox Bellcow Cosmetics Co Ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-07-18

Abstract

The invention discloses a repairing hair cream without silicone oil and a preparation method thereof, comprising the following steps: 0.01-1% of a first emollient which is a non-silicone high refractive index oil to enhance hair shine; 0.01-3% of a second emollient which is a water-soluble oil which increases the feel of hair lubrication and which coats the hair surface to form a protective layer; 0.1-3% of a first conditioning agent which has the effect of adsorbing proteins and which reacts with and binds to amino groups in the vicinity of hair cutin when heated; 0.01-1% of a second conditioning agent which is a positively charged cationic polymer; 0.1-5% of an emulsifier; 1-20% of a thickener; and the balance water. The hair restoration cream can keep the hairline fluffy and smooth, and can strongly restore the hairline when meeting heat energy.

Description

Silicone oil-free hair restoration cream and preparation method thereof

Technical Field

The invention relates to a repair hair cream without silicone oil and a preparation method thereof, in particular to a repair hair cream without silicone oil and capable of keeping hair fluffy and smooth and strongly repairing hair when meeting heat and a preparation method thereof.

Background

Hair can be damaged for a variety of reasons. Treatments such as air pollution, bleaching, curling, straightening, dyeing, etc., can damage hair to varying degrees. When the cuticle of hair is damaged, the hair becomes dry and loses luster and shine.

Damaged hair can become fragile or rough in texture, hair bifurcation, breakage, scalp itching, and loss of elasticity, and damaged hair is easily tangled and difficult to manage and set.

In order to repair hair damage, various hair care products have been developed. For example, a hair care agent for imparting a soft feel and a smooth feel to hair, a hair care agent for improving luster and combability of hair, a hair care agent for improving elasticity and overall appearance of hair, and the like.

Chinese patent application 201610729626.5 discloses a natural leave-on hair conditioner comprising the following components: 20 parts of fatty acid, 12 parts of angelica sinensis, 12 parts of bighead atractylodes rhizome, 6 parts of radix rehmanniae, 6 parts of polygonum multiflorum, 4 parts of cinnamon, 4 parts of aminopropyl dimethyl tertiary amine stearate, 6 parts of ammonium xylenesulfonate, 2 parts of propylene glycol, 4 parts of simethicone, 2 parts of polyoxyethylene ether, 1 part of essence, 4 parts of disodium ethylenediamine tetraacetate, 4 parts of cetyl alcohol and 80 parts of deionized water. The application belongs to a hair conditioner containing silicone oil. Although the silicone oil can make hair smooth, the silicone oil is inevitably precipitated on hair roots in the using process, so that the phenomena of greasiness and hair collapse and non-fluffiness of scalp hair are easy to occur.

Chinese patent 201811616989.3 discloses a mild natural plant hair conditioner and a preparation method thereof, which comprises the following steps: cetyl trimethyl ammonium chloride, dimethyl silicone oil, trialkyl methyl ammonium chloride, tricholoma matsutake extract, flos Matricariae Chamomillae extract, fructus Canarii albi extract, herba Centipedae extract, plant bactericide, plant conditioner, and water. The hair conditioner of this patent does not belong to leave-in type, but the residual silicone oil after washing is used, which still does not make the hair fluffy.

Chinese patent application 201911077013.8 discloses a hair cosmetic composition comprising: tertiary cationic surfactant, silicone oil, maleic acid and arginine, and polyol, and the content of polyol is 3 to 8% by weight with respect to the total amount of the composition. The hair conditioner formulation has better hair conditioning effect and better smearing property and absorbability than the prior hair conditioner, is suitable for being smeared on hair before sleeping and can not be stained on a pillow when sleeping, and can care hair until the next morning. The application avoids the defect that the silicone oil is difficult to improve the fluffiness of hair by using the composition containing the silicone oil at night.

In order to overcome the drawbacks of silicone oil ingredients, hair care compositions have been developed which do not contain silicone oils.

For example, chinese patent 201410856401.7 discloses a silicone oil-free translucent hair care composition and a method for preparing the same, which comprises the following components: alkyl amide propyl dimethylamine 0.5% -15.0%, fatty acid 0.5% -15.0%, pentaerythritol tetra fatty acid ester 0.1% -10.0%, fatty alcohol phosphate 0.1% -5.0%, fatty alcohol polyether phosphate 0.1% -5.0%, and the balance being water-containing carrier. The hair care composition of this patent does not contain silicone oil, but the hair after use is not as smooth as the hair care composition containing silicone oil.

Chinese patent application 201910596512.1 discloses a silicone oil-free amino acid nourishing and smoothing shampoo and a preparation method thereof, wherein the shampoo comprises the following components: 50-75% of amino acid surfactant, 1-5% of PPG-3 octyl ether, 1-5% of glycol distearate, 0.1-0.5% of guar hydroxypropyl trimethyl ammonium chloride, 1-5% of ammonium chloride, 0.05-0.5% of polyquaternium, 0.05-0.5% of behenyl trimethyl ammonium chloride, 0.5-2% of PEG-120 methyl glucose trioleate, 0.1-2% of hydrolyzed wheat protein, 0.1-2% of sodium hyaluronate, 0.5-1% of hydrogenated jojoba oil, 0.5-2% of shea butter, 0.05-0.5% of panthenol, 0.1-0.5% of chelating agent, 0.1-2% of essence, 0.1-0.5% of pH regulator, 0.1-0.5% of preservative, 0.01-0.5% of western Qu Lvan, 0.01-0.2% of isostearyl lactyl lactate, 0.01-0.2% of zinc pyrithione and the balance of water. In this application, hydrogenated jojoba oil is used as a hair conditioner to replace silicone oil, and the smooth feel of hair is difficult to compare with that of silicone oil.

Thermal damage is also a non-negligible problem in the styling and maintenance of hair.

For example, chinese patent 202010807075.6 discloses a hair care composition comprising the following components: 10-30% of composite plant extract, 0.01-1% of cationic conditioning agent, 0.01-20% of humectant, 0.05-2% of solubilizer, 0.01-2% of auxiliary agent and the balance of pure water, wherein the composite plant extract is quinoa seed extract, winged seed moringa seed extract and sweet almond seed extract. The patent considers that the adopted composite plant extract can effectively protect hair from heat injury, quickly repair damaged hair and has the function of heat protection. However, this patent provides neither clear evidence nor suggests a reasonable reaction mechanism.

Chinese patent application 201911257391.4 discloses a hair care composition comprising at least the following components: 10-40 parts of isododecane, 5-45 parts of silicone oil, 5-30 parts of coco alcohol-caprylate/caprate, 0.5-10 parts of vegetable oil, 0.01-0.5 part of acrylamide propyl trimethyl ammonium chloride/acrylamide copolymer, 0.1-3 parts of preservative, 0.01-2 parts of antioxidant, 0.1-1 part of film forming agent, 0-5 parts of humectant, 0.1-0.5 part of inorganic salt and 20-80 parts of water. The applicant believes that the hair care composition sprayed directly on the hair can effectively relieve damage to the hair caused by high temperature/hot air blowing and the like, and the protection effect still exists after the hair care composition is washed by shampoo. But this view is not supported by the data and evidence of the specification and applicant has filed itself after the publication of this application.

Therefore, the hair care formula in the prior art does not comprehensively solve the problems that silicone oil is not used, hair is fluffy and smooth, hair quality is easy to damage when hair is blown by a blower, and the like.

Therefore, it is necessary to provide a novel silicone oil-free hair restoration cream and a preparation method thereof, wherein the hair restoration cream can keep the hair fluffy and smooth and can strongly restore the hair when being heated.

Disclosure of Invention

The invention aims to provide a repair hair cream without silicone oil and a preparation method thereof, and the repair hair cream can keep hair fluffy and smooth and strongly repair hair when being heated.

In order to achieve the above object, the present invention provides a hair restoration cream containing no silicone oil, which is capable of keeping hair fluffy and smooth and strongly restoring hair when exposed to heat, wherein the hair restoration cream comprises, in weight percent:

0.01-1% of a first emollient which is a non-silicone high refractive index oil which improves hair shine;

0.01-3% of a second emollient which is a water-soluble oil capable of increasing the feel of hair lubrication and forming a protective layer on the surface of hair;

0.1-3% of a first conditioning agent which has the effect of adsorbing proteins and which reacts with and binds to amino groups in the vicinity of hair cutin when heated; moreover, the higher the temperature, the stronger the bond;

0.01-1% of a second conditioning agent which is a positively charged cationic polymer;

0.1-5% of an emulsifier;

1-20% of a thickener; and

the balance of water.

In the hair restoration cream of the present invention, the first emollient improves the glossiness of hair, and is a non-silicone oil-based high refractive index grease. Preferably, in the hair restoration cream of the present invention, the first emollient may be one or more selected from the group consisting of: coconut oil, phytosterol/octyldodecanol lauroyl glutamate, phytosterol macadamia oleate, phytosterol isostearate, tridecyl trimellitate, and diisostearyl malate. More preferably, the first emollient is coconut oil and/or diisostearyl malate.

In the present invention, unless otherwise specified, all percentages mentioned are by weight.

In the hair restoration cream, the second softening agent is water-soluble grease which can be wrapped on the surface of hair to form a protective layer, so that the hair restoration cream has better wet combing performance, can maintain the grease balance of the hair, increases the lubrication feeling, reduces the dryness feeling and avoids the disheveled hair.

Preferably, the second emollient may be one or more selected from the group consisting of: avocado oil PEG-11 esters, PEG-7 glycerol cocoate, PEG-50 tallow resin, and PEG-75 lanolin.

More preferably, the second emollient is one or more selected from the group consisting of: avocado oil PEG-11 esters, PEG-7 glycerol cocoate and PEG-50 shea butter.

In the hair restoration cream of the present invention, the first (hair) conditioner has an effect of adsorbing proteins, and reacts with and bonds with amino groups in the vicinity of hair cutin by heat of a hair dryer or the like, thereby restoring damaged hair, and imparting luster, softness, and good combability to hair. Preferably, the first conditioning agent may be sodium stearoyl lactylate and/or sodium isostearoyl lactylate, more preferably the first conditioning agent is sodium stearoyl lactylate.

In the invention, the term "strong when encountering heat" means that under the action of heat, for example, when encountering all things which can bring heat, such as a hair dryer, a hair curler and the like, the first conditioner with the function of adsorbing protein reacts with and combines with amino groups near hair cutin, and the higher the temperature is, the stronger the combination is, so that the repairing effect is stronger. The reaction mechanism is shown in figure 4.

In the hair restoration cream of the present invention, the positive charges carried by the second (hair) conditioner cationic polymer can be combined with the negative charges carried by the hair to eliminate static electricity, thereby preventing the hair from being fried open.

Preferably, the second conditioning agent may be one or more selected from the group consisting of: hydrolyzed vegetable protein, dipalmitoyl oxyethyl dimethyl ammonium chloride, polyquaternium-10, polyquaternium-64, lauryl dimethyl ammonium hydroxypropyl hydrolyzed wheat protein, sericin, quaternary ammonium salt-79 hydrolyzed collagen, and acetylated sodium hyaluronate. More preferably, the second conditioning agent is hydrolyzed vegetable protein, polyquaternium-10 and/or quaternium-79 hydrolyzed collagen.

The application of the first softening agent, the second softening agent, the first conditioning agent and the second conditioning agent in the hair restoration cream can keep the hair fluffy and smooth after the hair restoration cream is used, and the hair restoration cream can react with and combine with amino groups near hair cutin when encountering stronger heat (such as when a blower blows hot air and when a hair curler) so as to restore the hair and improve the hot air injury caused by blowing the blower.

In order to further enhance the action and effect of the softener and the conditioner, a penetration enhancer for promoting the absorption of nutrient substances and playing a synergistic effect can be further added into the hair restoration cream. Preferably, the penetration enhancer of the present invention may be one or more of the following group: diethyl sebacate, ethoxydiglycol and bis-diethoxydiglycol cyclohexane 1, 4-dicarboxylate; more preferred are diethyl sebacate and/or bis-diethoxydiglycol cyclohexane 1, 4-dicarboxylate. In particular, the permeation enhancers of the present invention are capable of enhancing the binding of the first conditioning agent to the amino group.

In the hair restoration cream of the present invention, the thickener used may be a thickener commonly used in the art, such as cetyl alcohol, hydroxyethyl cellulose, etc., and the emulsifier used may be an emulsifier commonly used in the art, such as behenamidopropyl dimethylamine, etc.

The hair cream according to the present invention may further comprise a first humectant for preventing hair from cutting, increasing hair density, and improving glossiness of hair, and the first humectant may be one or more of panthenol, glycerin, and sodium hyaluronate.

In the hair restoration cream of the present invention, a second humectant may be further included, and the second humectant may be 1, 2-hexanediol.

In addition, in the hair restoration cream of the present invention, a pH adjuster, a chelating agent, a preservative, an antioxidant, and the like which are commonly used in the art of hair cream may be included.

In another aspect, to achieve the object of the present invention, the present invention also provides a method for preparing the hair cream as described above, the method comprising the steps of:

(1) Placing the water-soluble component and water into a water phase pot, uniformly stirring, and heating to 70-90 ℃;

(2) Placing the oil-soluble components excluding the first conditioner in an oil phase pot, uniformly stirring, and heating to 70-90 ℃;

(3) Pumping the mixture obtained in the step (1) into an emulsifying pot, stirring and homogenizing, and vacuumizing and defoaming; pumping the mixture obtained in the step (2) into the emulsifying pot, stirring and homogenizing, and vacuumizing and defoaming;

(4) Stirring and cooling to about 60 ℃, adding a first conditioner, and uniformly stirring;

(5) Continuously cooling to about 35-45 ℃, and discharging after passing inspection.

In the method of the present invention, after the first conditioner is added in the step (4), a process of adding a pH adjuster is further included; the cooling process in the step (5) also comprises the process of adding other additives such as preservative and antioxidant.

The application method of the hair restoration cream of the invention can be as follows: washing hair with shampoo, washing hair, then washing hair with hair cream, washing hair, and drying hair. Of course, the method of use is also limited thereto, but preferably includes a process of blow drying with hot air, as the heat may cause the first conditioning agent to react with and bind with the amino groups in the vicinity of the hair cutin.

The hair restoration cream can still ensure good comb property of hair under the condition of not containing silicone oil, thereby avoiding the phenomena that the silicone oil leads scalp hair to be greasy easily and the hair to collapse and not be fluffy, and the hair is smooth after use, and simultaneously, the used conditioner is strong when meeting heat, and the problem that a hair drier is easy to damage when blowing hair can be solved.

The present invention will be further described with reference to the following detailed description and drawings, which are merely illustrative of certain specific embodiments of the invention and are not limiting of the invention.

Drawings

FIG. 1 shows the absorption peaks (1735 cm) of the ester groups of the infrared absorption spectrum of hair before treatment with sodium stearoyl lactylate or sodium isostearoyl lactylate ^-1 Nearby);

FIG. 2 shows the absorption peak (1735 cm) of the ester group of the infrared absorption spectrum after the hair is coated with sodium stearoyl lactylate or sodium isostearoyl lactylate ^-1 Nearby);

FIG. 3 shows the absorption peak (1735 cm) of the ester group of the infrared absorption spectrum after hair treatment with a hair iron after application of sodium stearoyl lactylate or sodium isostearoyl lactylate ^-1 Nearby);

fig. 4 is a schematic representation of the reaction and binding of sodium stearoyl lactylate or sodium isostearoyl lactylate with amino groups near hair cutin after treatment of hair.

Detailed description of the preferred embodiments

Some of the usual components and possible implementation formulations of the present invention are listed in table 1 below. It should be noted that although a plurality of different ingredients are listed for a certain component, such as the first emollient, it is not necessary that all ingredients listed for that component be included at the same time in the practice, but may contain only one or more of them.

TABLE 1

In preparing the hair cream of the present invention, the following steps may be performed, but for different formulations, the raw materials in the formulation may be slightly adjusted:

Example 1 and comparative examples 1 to 3

The hair cream of example 1 and comparative examples 1-3 was prepared according to the formulation shown in table 2 below, using the following preparation steps:

step one, placing the components 3, 5 and 12 and the component 1 into a water phase pot, and fully and uniformly stirring (500 r/min); after being uniform, the components 11 and 13 and the component 15 are added, stirred (500 r/min) until being fully dissolved, and heated to 80 ℃;

step two, placing the components 2, 4, 6, 7, 8 and 16 in an oil phase pot, fully and uniformly stirring (500 r/min) and heating to 80 ℃;

pumping the mixture obtained in the step one into an emulsifying pot, stirring (500 r/min) and homogenizing (1900 r/min) for 2 minutes, and vacuumizing and defoaming; after the temperature reaches 80 ℃, pumping the mixture in the second step into an emulsifying pot, stirring (700 r/min) and homogenizing (2500 r/min) for 5 minutes, and vacuumizing and defoaming;

step four, stirring (700 r/min) to cool to 60 ℃, adding the component 10, and fully stirring until uniform; then adding the component 9, and continuing stirring;

step five, when the temperature is reduced to about 45 ℃, adding the component 14, and stirring until the mixture is sufficiently uniform;

and step six, when the temperature is reduced to about 40 ℃, uniformly feeding the material, and discharging after the material is qualified.

TABLE 2

Note that: 1. the order of the components in table 2 and the order of the components in table 1 are not mutually corresponding;

2. the water, sodium chloride, sodium acetate and isopropanol in the component 5 are matched components of the purchased raw material polyquaternium-10.

Efficacy testing

1. The instrument test of the efficacy of repairing hair cream (the efficacy of strengthening when meeting heat) provided by the invention comprises the following steps:

the hair after 1 bleaching treatment was taken and the absorption peak (1735 cm) of the ester group derived from the infrared absorption spectrum was measured ^-1 Nearby), the results are shown in fig. 1;

the absorption peak of the ester group derived from the infrared absorption spectrum before the hair iron treatment (1735 cm) ^-1 Nearby), the results are shown in fig. 2;

the ethanol solution of the hair restoration cream prepared in example 1 was applied to 1.0g of the hair after 1-time bleaching treatment, and the absorption peak (1735 cm) of the ester group derived from the infrared absorption spectrum after the hair iron treatment (140 ℃ C./30 seconds/2 times) was measured ^-1 Nearby), the results are shown in fig. 3;

as can be seen by comparing the infrared absorption peaks of FIGS. 1-3, only 1517.98cm can be found before and after application of the hair restoration cream of example 1, if no heat is encountered (prior to treatment with the hair iron) ^-1 Peak drift to 1519.91cm ^-1 The method comprises the steps of carrying out a first treatment on the surface of the On the other hand, after the hair restoration cream of example 1 was applied and treated with a hair iron, the hair restoration cream was not 1517.98cm ^-1 Peak drift to 1519.91cm ^-1 In addition, a position of 1502.55cm is additionally produced ^-1 At the same time, 1452.40cm ^-1 Peak drift to 1458.18cm ^-1 Where it is located.

The above experiments have confirmed from the side that the hair restoration cream (sodium stearoyl lactylate or sodium isostearoyl lactylate) of the present invention reacts with and bonds to hair components by heat treatment with a hair iron, a hair dryer, or the like, and retains the effect on hair generation by reaction/bonding with hair components.

2. In vitro hair strand test

2.1 smoothness test of hair tresses

Two sets of unused hair tress were rinsed with 15wt% sodium laureth sulfate solution and combing work was obtained as initial combing work using an MTT175 hair tester and recorded as Winitial1, winitial2, respectively; the hair tress was rinsed with twenty times diluted test conditioner and blank composition (without any cations), and test combing work and blank combing work were obtained by the test procedure described above and recorded as Wtest and Wblank, respectively. The dry comb smooth index can be recorded as:

slip index= (Wblank/Winitial 2-Wtest/Winitial 1) 100%

2.2 fullness index

The unused hair was rinsed with 15wt% sodium laureth sulfate solution. The compression work of the test hair bundles when pulled for 15cm at a 1cm hole is tested as initial pulling work by using a DIASTRAON MTT175 hair tester at 50 ℃ and normal temperature after the test hair bundles are dried respectively and recorded as Winital; the tresses were rinsed with 0.6g of conditioner and the above test procedure was repeated using MTT175 to obtain work under tension and recorded as Wtest. The difference between the test tensile force work and the initial tensile force work is recorded as wtreament=wtest-Winitial; the difference between the tensile work and the initial tensile work of the commercial product was tested as top control (wtop control), and the blank composition (without any cations) was tested as bottom control (wbottoman control). The test fullness index can be expressed as:

2.3 evaluation of intensity

And (3) taking hair bundles, treating the hair bundles by using bleaching powder and hydrogen peroxide to obtain damaged hair, and using the MTT175 hair tester to test the work done by breaking single hair at 50 ℃ and normal temperature after the damaged hair is rinsed thoroughly by tap water. The hair end is fixed by a hair clip during testing, the hair end is placed on a hair tester, the work Wblank applied during single hair breaking is tested, 0.6g of hair conditioner is taken to clean the hair bundle, and the MTT175 hair tester is adopted to repeat the testing steps to obtain the work Wtest applied during single hair breaking. After repeated testing of fifty sets of tests, the composition strength index can be expressed as:

intensity index= (Wtest-Wblank)/Wblank 100%.

3. Consumer test sensory evaluation experiments

3.1 fullness test

10 women with fine and soft hair quality were collected, and the hair conditioners of the following examples and comparative examples were used for 2 weeks, and scoring evaluation (1-5 minutes) was performed after every two days of use, with no fullness effect of 1 on the hair soft couch and good fullness of 5 on the hair.

3.2 smoothness test

10 women with fine and soft hair were collected, and the hair conditioners of the following examples and comparative examples were used for 2 weeks, and were rated (1-5 minutes) after every two days, and the entanglement phenomenon after hair drying was serious, difficult to comb, very high in resistance of 1, no entanglement, very easy to comb, and almost no resistance of 5.

3.3 Experimental results of in vitro Strand test and consumer sensory evaluation

The results of the in vitro hair tress test and the results of consumer sensory evaluation are summarized in table 3:

TABLE 3 Table 3

As can be seen from the evaluation results in table 3, comparative example 3 and example 1 have relatively outstanding smoothness at normal temperature and 50 ℃ in both hair tress and consumer evaluation; example 1 has better fullness and strength at normal temperature and 50 ℃ and is better than normal temperature at 50 ℃; in summary, the product corresponding to example 1 has better conditioning and repairing properties.

Examples 2 to 7

The hair cream of examples 2-7 was prepared according to the formulation shown in table 4 below using the following preparation procedure:

The hair restoration cream prepared in examples 2 to 7 was evaluated, and the evaluation results obtained were very similar to those obtained in example 1 above: the hair tresses and consumer evaluation have more outstanding smoothness at normal temperature and 50 ℃; has better fullness and strength at normal temperature and 50 ℃, and is better than normal temperature at 50 ℃.

In view of the above, it can be seen that the hair cream of the present invention having the first emollient, the second emollient, the first conditioner and the second conditioner has very good conditioning and repairing properties.

TABLE 4 Table 4

/>

Claims

1. A hair restoration cream containing no silicone oil, which is capable of keeping hair fluffy and smooth and strongly restoring hair when exposed to heat, wherein the hair restoration cream comprises, in weight percent:

0.1-3% of a first conditioning agent which has the effect of adsorbing proteins and which reacts with and binds to amino groups in the vicinity of hair cutin when heated;

0.1-5% of an emulsifier;

1-20% of a thickener; and

the balance of water.

2. A hair restoration cream according to claim 1 wherein said first emollient is one or more selected from the group consisting of: coconut oil, phytosterol/octyldodecanol lauroyl glutamate, phytosterol macadamia oleate, phytosterol isostearate, tridecyl trimellitate, and diisostearyl malate.

3. The hair restoration cream as in claim 1, wherein the second emollient is one or more selected from the group consisting of: avocado oil PEG-11 esters, PEG-7 glycerol cocoate, PEG-50 tallow resin, and PEG-75 lanolin.

4. A hair restoration cream according to claim 1 wherein the first conditioning agent is sodium stearoyl lactylate and/or sodium isostearoyl lactylate.

5. The hair restoration cream as claimed in claim 1, wherein the second conditioning agent is one or more selected from the group consisting of: hydrolyzed vegetable protein, dipalmitoyl oxyethyl dimethyl ammonium chloride, polyquaternium-10, polyquaternium-64, lauryl dimethyl ammonium hydroxypropyl hydrolyzed wheat protein, sericin, and quaternary ammonium salt-79 hydrolyzed collagen.

6. A hair restoration cream according to any one of claims 1 to 5 wherein the hair restoration cream further comprises a synergistically enhanced penetration enhancer for enhancing nutrient absorption, the penetration enhancer being diethyl sebacate and/or bis-diethoxydiglycol cyclohexane 1, 4-dicarboxylate.

7. The hair restoration cream as in claim 6, wherein the hair restoration cream further comprises a first humectant which is one or more of panthenol, glycerin and sodium hyaluronate.

8. The hair restoration cream as in claim 7, wherein the hair restoration cream further comprises a second humectant that is 1, 2-hexanediol.

9. A method of preparing a hair cream according to any one of claims 1 to 8, wherein the method comprises the steps of:

10. The method of claim 9, wherein after the first conditioning agent is added in step (4), further comprising the step of adding a pH adjuster; the cooling process in the step (5) also comprises a process of adding other additives.