Starch-containing hair-washing-free cleaning and itching-relieving wet tissue and preparation method thereof

Abstract

The invention provides a starch-containing hair-washing-free cleaning and itching-relieving wet tissue and a preparation method thereof. The wet tissue comprises a wet tissue liquid and a carrier, the wet tissue liquid comprises the following components: plant starch, a methyl methacrylate cross-linked polymer, a freshener, a surfactant and deionized water. According to the starch-containing hair-washing-free cleaning and itching-relieving wet tissue, the plant starch is compounded with the methyl methacrylate cross-linked polymer, the surfactant and other active ingredients, and the plant starch, the methyl methacrylate cross-linked polymer, the surfactant and other active ingredients have a synergistic effect, so that the final product has the effects of cleaning, oil control, itching relieving and the like.

Description

Technical Field

[0001] This invention belongs to the field of daily necessities technology, specifically relating to a starch-containing no-shampoo cleaning and anti-itch wipe and its preparation method. Background Technology

[0002] The scalp is prone to sebum secretion, and not washing your hair for a long time can lead to an itchy scalp and oily hair. Bacteria multiply rapidly, and the sebum, after being acidified by bacteria, emits an unpleasant odor. Furthermore, hair, due to its large surface area, easily absorbs various odors, making them difficult to remove, and severe hair odor can often be unpleasant. However, for people in special environments or during special periods, such as in water-scarce areas, those bedridden, postpartum women, or those traveling for business, washing hair becomes a problem due to the lack of access to or inconvenience of using water. Therefore, no-rinse hair care products are attracting increasing attention from manufacturers.

[0003] CN108078793A discloses a graphene no-rinse dry spray and its preparation method, mainly composed of the following components by weight: 70-97 parts water, 1-10 parts essential oil, 1-10 parts conditioner, and 1-10 parts graphene. The invention also discloses the preparation method of the spray. This invention can continuously and persistently absorb excess oil and dandruff from the scalp, clean dirt from the hair, promote scalp blood circulation, and reduce split ends, hair loss, and damage. This invention requires no washing, does not contain alcohol or other harmful irritants, is environmentally friendly, and better ensures the health of the scalp, hair, and body.

[0004] CN116270338A discloses an alcohol-free no-shampoo volumizing spray composition and its preparation method. The composition comprises a polyol, isododecane, silica, aluminum octenyl succinate starch, HDI / trimethylolhexyl lactone crosspolymer, methyl methacrylate crosspolymer, polymethyl silsesquioxane, rice starch, fragrance, and propellant. This alcohol-free no-shampoo volumizing spray composition offers long-lasting oil control and has advantages such as low powder content, no whitening of hair after use, and no risk of inhalation. The composition does not contain ethanol, avoiding skin sensitivity issues such as scalp itching caused by ethanol irritation. It is suitable for a wide range of people, has low safety risks, and reduces environmental requirements for production facilities.

[0005] However, most of the no-shampoo hair products on the market are dry shampoo sprays. When using these products, the contents must be atomized and sprayed out, which poses a certain risk of respiratory irritation. More importantly, these so-called no-shampoo hair products have limited cleaning power and cannot effectively transfer and remove stains. Therefore, there is an urgent need to provide a product with better cleaning effect and that is safer and less irritating to meet consumers' application needs. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides a starch-containing no-shampoo cleaning and anti-itch wipe and its preparation method. By innovatively incorporating plant-based starch combined with hydrophilic microparticles (methyl methacrylate crosspolymer) into the wipe formulation, along with a multi-anti-itch active ingredient composition and other excipients, a no-shampoo cleaning and anti-itch wipe can be prepared. This wipe simultaneously possesses cleaning, oil-controlling, anti-itch, and fragrance properties. Furthermore, the product is available in diverse forms, such as wipes, gloves, and shower caps, to meet various usage requirements.

[0007] To achieve this objective, the present invention adopts the following technical solution:

[0008] In a first aspect, the present invention provides a starch-containing no-shampoo cleaning and anti-itch wet wipe, the wet wipe comprising a wet wipe liquid and a carrier;

[0009] The components of the wet wipe liquid include plant starch, methyl methacrylate crosspolymer, cooling agent, surfactant and deionized water.

[0010] Preferably, the mass ratio of the carrier to the wet wipe liquid is 1:(2.5-5), for example, it can be 1:2.6, 1:2.8, 1:3, 1:3.2, 1:3.4, 1:3.6, 1:3.8, 1:4, 1:4.2, 1:4.5 or 1:4.8, etc.

[0011] Preferably, the carrier comprises a nonwoven fabric or a woven fabric.

[0012] Preferably, the wet wipe liquid comprises, by weight, 5-10 parts of plant starch, 1-5 parts of methyl methacrylate crosspolymer, 1-5 parts of cooling agent, 0.1-2 parts of surfactant, and 60-95 parts of deionized water.

[0013] The amount of plant starch added to the wet wipe liquid of the present invention can be 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts or 9.5 parts, etc.;

[0014] The amount of the methyl methacrylate crosspolymer added can be 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, or 4.5 parts, etc.;

[0015] The amount of the cooling agent added can be 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, or 4.5 parts, etc.;

[0016] The amount of surfactant added can be 0.2 parts, 0.4 parts, 0.6 parts, 0.8 parts, 1 part, 1.2 parts, 1.4 parts, 1.6 parts, or 1.8 parts, etc.;

[0017] Preferably, the amount of deionized water added can be 68 parts, 70 parts, 75 parts, 80 parts, 85 parts, or 90 parts, etc.

[0018] Preferably, the plant starch includes corn starch and / or rice starch;

[0019] Preferably, the plant starch is a combination of corn starch and rice starch.

[0020] Preferably, the mass ratio of corn starch to rice starch is 1:(1-2), for example, it can be 1:1.1, 1:1.2, 1:1.3, 1:1.4, 1:1.5, 1:1.6, 1:1.7, 1:1.8 or 1:1.9, etc.

[0021] Preferably, the cooling agent includes propylene glycol, hydroxypropyl cellulose, methyl diisopropyl propionamide, menthol alkyl ethylamine, and menthol lactate.

[0022] The cooling agent is a coating cooling agent developed by Tianjin Institute of Pharmaceutical Research, and its components include propylene glycol, hydroxypropyl cellulose, methyl diisopropyl propionamide, menthol carbamoyl ethylamine, and menthol lactate.

[0023] Preferably, the surfactant comprises glycolipids and / or yeast fermentation product extracts.

[0024] Preferably, the surfactant is a glycolipid and a yeast fermentation product extract.

[0025] Preferably, the mass ratio of the glycolipid to the yeast fermentation product extract is 1:(0.5-1.5), for example, it can be 1:0.6, 1:0.7, 1:0.8, 1:0.9, 1:1, 1:1.1, 1:1.2, 1:1.3 or 1:1.4, etc.

[0026] Preferably, the wet wipe liquid also includes an antipruritic agent.

[0027] Preferably, the wet wipe liquid composition further includes 1-5 parts of an antipruritic agent by weight, for example, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts or 4.5 parts, etc.

[0028] Preferably, the antipruritic agent comprises any one or a combination of two of the following: Gentiana macrophylla extract, Swertia japonica extract, or Gentiana scabra extract.

[0029] Preferably, the antipruritic agent is a combination of Gentiana macrophylla extract, Swertia japonica extract and Gentiana scabra extract.

[0030] Preferably, the mass ratio of the Gentiana macrophylla extract, the Swertia japonica extract and the Gentiana scabra extract is (0.5-1.5):(1-2):(2-4).

[0031] "0.5-1.5" can be 0.6, 0.7, 0.8, 0.9, 1, 1.1, 1.2, 1.3 or 1.4, etc.

[0032] “1-2” can be 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8 or 1.9, etc.;

[0033] “2-4” can be 2.1, 2.3, 2.5, 2.7, 2.9, 3, 3.2, 3.5, 3.7 or 3.9, etc.

[0034] Preferably, the wet wipe liquid also includes any one or a combination of at least two of the following: thickener, preservative, chelating agent, fragrance, or polyol.

[0035] Preferably, the chelating agent comprises tetrasodium EDTA and / or disodium EDTA.

[0036] Preferably, the preservative includes any one or a combination of at least two of phenoxyethanol, methylparaben, or chlorphenesin.

[0037] Preferably, the polyol includes any one or a combination of at least two of propylene glycol, butanediol, or 1,3-propanediol.

[0038] Preferably, the thickener comprises any one or a combination of at least two of the following: ammonium acryloyldimethyl taurate / VP copolymer, ammonium polyacryloyldimethyl taurate, or sodium acryloyldimethyl taurate / VP crosspolymer.

[0039] All the specific point values ​​within the above range can be selected, and will not be elaborated on here.

[0040] In a second aspect, the present invention provides a method for preparing a starch-containing no-shampoo cleaning and anti-itch wipe as described in the first aspect, the method comprising:

[0041] (1) A mixture is obtained by mixing deionized water and cooling agent;

[0042] (2) Add surfactant, plant starch and methyl methacrylate cross-linked polymer to the mixture and mix and homogenize to obtain wet wipe liquid;

[0043] (3) The carrier is soaked in wet wipe liquid and packaged to obtain the starch-containing no-shampoo cleaning and anti-itch wet wipe.

[0044] Preferably, step (1) further includes adding polyols and / or preservatives.

[0045] Preferably, step (2) further includes adding any one or a combination of at least two of the following: fragrance, antipruritic agent, chelating agent or thickener.

[0046] Preferably, the mixing and homogenization in step (2) is performed at a rotation speed of 2000-2500 r / min (e.g., 2100 r / min, 2200 r / min, 2300 r / min or 2400 r / min, etc.) and a time of 3-5 min (e.g., 3.2 min, 3.5 min, 3.8 min, 4 min, 4.2 min, 4.5 min or 4.8 min, etc.).

[0047] All the specific point values ​​within the above range can be selected, and will not be elaborated on here.

[0048] Thirdly, the present invention provides the application of the starch-containing no-shampoo cleaning and anti-itch wipes as described in the first aspect in the preparation of daily necessities.

[0049] Compared with the prior art, the present invention has the following beneficial effects:

[0050] (1) The starch-containing no-shampoo cleaning and anti-itch wipes of the present invention use plant starch combined with hydrophilic microparticles (methyl methacrylate cross-linked polymer), surfactants and other active ingredients. The three work synergistically to give the final product the effects of cleaning, oil control and anti-itch. The hydrophilic microparticles have a good oil absorption effect and also bring a noticeable smooth effect, which can effectively avoid the problem of hair sticking after cleaning with the wipes. In addition, it can reduce the amount of plant starch added, and effectively solve the problem of powdering and whitening when consumers use the product due to excessive starch addition; and the problem of poor oil control effect when the amount of plant starch added is insufficient.

[0051] (2) The plant starch of the present invention is made of corn starch and rice starch. Both of them have natural and mild characteristics, so they are suitable for people with sensitive skin. The selected starch particles are fine and have a high oil absorption rate, so they are very suitable for absorbing oil on hair.

[0052] (3) In this invention, the surfactant is used in combination with plant starch and methyl methacrylate cross-linked polymer, which can not only bring sufficient cleaning power and emulsify the oil on the hair so that it can be taken away by the non-woven fabric of the wet wipe, but also the surfactant of this invention can effectively inhibit harmful bacteria, regulate the scalp microecology, and fundamentally improve the itchy constitution.

[0053] (4) The addition of the cooling agent in this invention can temporarily paralyze or "freeze" the sensory nerve endings of the scalp, thereby reducing the brain's attention to "itching". The comfortable cooling sensation is long-lasting and unlike traditional menthol, which is more irritating and has a shorter duration of cooling. When the moisture in the hair and scalp evaporates, the cooling agent forms a barrier to control the release of the cooling agent. When the body sweats, the cooling agent can be continuously released in a humid environment to achieve long-lasting anti-itch effect.

[0054] (5) The antipruritic agent in this invention can precisely cut off the transmission and amplification of itch signals, and quickly relieve various acute and chronic skin itching. When used in combination with a cooling agent, it can make the antipruritic effect of the product even better. In addition, the antipruritic agent of this invention is composed of Gentiana macrophylla extract, Swertia japonica extract and Gentiana scabra extract. The three extracts work synergistically to not only make the antipruritic effect of the product more significant, but also to ensure that the product does not irritate the skin while relieving itching. Detailed Implementation

[0055] The technical solution of the present invention will be further illustrated below through specific embodiments. Those skilled in the art should understand that the embodiments described are merely illustrative of the present invention and should not be construed as limiting the invention in any way.

[0056] The weight parts mentioned in the following examples and comparative examples are based on the actual active ingredients contained in commercially available raw materials. These commercially available raw materials may also selectively contain any one or a combination of at least two of the following: solvents, fillers, diluents, stabilizers, pH adjusters, preservatives, antibacterial agents, or impurities within permissible limits.

[0057] The sources of some of the raw materials used in the embodiments and comparative examples of this invention are as follows:

[0058]

[0059] All other raw materials can be used as long as they are purchased from authorized distributors.

[0060] Example 1

[0061] This embodiment provides a starch-containing no-shampoo cleaning and anti-itch wipe, the wipe comprising a wipe liquid and a spunlace nonwoven fabric in a mass ratio of 1:0.3;

[0062] The wet wipe liquid comprises, by weight, 8 parts plant starch, 1.5 parts methyl methacrylate crosspolymer, 2 parts cooling agent, 1 part surfactant, 2 parts antipruritic agent, 1 part propylene glycol, 0.1 parts fragrance, 0.3 parts phenoxyethanol, 0.3 parts methylparaben, 0.1 parts disodium EDTA, and 0.3 parts ammonium acryloyldimethyl taurate / VP copolymer, to be made up to 100 parts by deionized water.

[0063] The plant starch is corn starch and rice starch in a mass ratio of 2:3;

[0064] The surfactant is a glycolipid and yeast fermentation product extract in a mass ratio of 1:1.

[0065] The antipruritic agent is a mixture of Gentiana macrophylla extract, Swertia japonica extract, and Gentiana scabra extract in a mass ratio of 2:3:6.

[0066] The method for preparing the starch-containing no-shampoo cleaning and anti-itch wipes is as follows:

[0067] (1) Methylparaben and propylene glycol are mixed and stirred at 50°C until completely dissolved to make premix 1 for later use;

[0068] (2) Mix the fragrance, surfactant and phenoxyethanol evenly to make premix 2 for later use;

[0069] (3) Add deionized water to the mixing tank, turn on the stirring, add EDTA disodium, antipruritic agent and cooling agent in sequence and stir for 4 min, then add premix 1, premix 2, plant starch and methyl methacrylate cross-linked polymer and stir for 8 min, finally add ammonium acryloyl dimethyl taurate / VP copolymer to the mixing tank and stir for 25 min, turn on the homogenizer at 2400 r / min and homogenize for 5 min to obtain the wet wipe liquid;

[0070] (4) Wet wipe liquid is applied to the spunlace nonwoven fabric through wet wipe production equipment, so that the wet wipe liquid is absorbed by the spunlace nonwoven fabric and adheres to it. After packaging, it is obtained.

[0071] Example 2

[0072] This embodiment provides a starch-containing no-shampoo cleaning and anti-itch wipe, the wipe comprising a wipe liquid and a spunlace nonwoven fabric in a mass ratio of 1:0.2;

[0073] The wet wipe liquid comprises, by weight, 7 parts plant starch, 1 part methyl methacrylate crosspolymer, 3 parts cooling agent, 0.8 parts surfactant, 1 part antipruritic agent, 1 part butylene glycol, 0.1 part fragrance, 0.3 parts phenoxyethanol, 0.3 parts methylparaben, 0.1 parts tetrasodium EDTA, and 0.2 parts ammonium polyacrylamide dimethyl taurate, to be made up to 100 parts by deionized water.

[0074] The plant starch is corn starch and rice starch in a mass ratio of 1:1;

[0075] The surfactant is a glycolipid and yeast fermentation product extract in a mass ratio of 1:2;

[0076] The antipruritic agent is a mixture of Gentiana macrophylla extract, Swertia japonica extract, and Gentiana scabra extract in a mass ratio of 3:2:8.

[0077] The preparation method of the starch-containing no-shampoo cleaning and anti-itch wipes is as described in Example 1.

[0078] Example 3

[0079] This embodiment provides a starch-containing no-shampoo cleaning and anti-itch wipe, the wipe comprising a wipe liquid and a spunlace nonwoven fabric in a mass ratio of 1:0.35;

[0080] The wet wipe liquid comprises, by weight, 9 parts plant starch, 2 parts methyl methacrylate crosspolymer, 1 part cooling agent, 0.7 parts surfactant, 3 parts antipruritic agent, 1 part 1,3-propanediol, 0.1 part fragrance, 0.3 parts phenoxyethanol, 0.3 parts methylparaben, 0.1 parts disodium EDTA, 0.2 parts sodium acryloyl dimethyl taurate / VP crosspolymer, with the remainder made up to 100 parts by deionized water.

[0081] The plant starch is corn starch and rice starch in a mass ratio of 1:2;

[0082] The surfactant is a glycolipid and yeast fermentation product extract in a mass ratio of 2:1.

[0083] The antipruritic agent is a mixture of Gentiana macrophylla extract, Swertia japonica extract, and Gentiana scabra extract in a mass ratio of 1:4:4.

[0084] The preparation method of the starch-containing no-shampoo cleaning and anti-itch wipes is as described in Example 1.

[0085] Example 4

[0086] This embodiment provides a starch-containing no-shampoo cleaning and anti-itch wipe. The only difference between this wipe and the one in Embodiment 1 is that the wipe liquid does not contain an anti-itch agent. The reduction is made up by a cooling agent. The remaining components and dosages are the same as in Embodiment 1, and the preparation method is the same as in Embodiment 1.

[0087] Example 5

[0088] This embodiment provides a starch-containing no-shampoo cleaning and anti-itch wipe. The only difference between the wipe and the one in Example 1 is that the anti-itch agent in the wipe liquid is a mixture of swertiamarin extract and gentian extract in a mass ratio of 3:6, and the amount of anti-itch agent remains unchanged. The other components and amounts are the same as in Example 1, and the preparation method is the same as in Example 1.

[0089] Example 6

[0090] This embodiment provides a starch-containing no-shampoo cleaning and anti-itch wipe. The only difference between the wipe and the one in Example 1 is that the anti-itch agent in the wipe liquid is Gentiana macrophylla extract and Gentiana scabra extract in a mass ratio of 2:6, and the amount of anti-itch agent remains unchanged. The other components and amounts are the same as in Example 1, and the preparation method is the same as in Example 1.

[0091] Example 7

[0092] This embodiment provides a starch-containing no-shampoo cleaning and anti-itch wipe. The only difference between the wipe and the one in Example 1 is that the anti-itch agent in the wipe liquid is Gentiana macrophylla extract and Swertia japonica extract in a mass ratio of 2:3, and the amount of anti-itch agent remains unchanged. The other components and amounts are the same as in Example 1, and the preparation method is the same as in Example 1.

[0093] Example 8

[0094] This embodiment provides a starch-containing no-shampoo cleaning and anti-itch wet wipe. The only difference between the wet wipe and the one in Embodiment 1 is that the plant starch in the wet wipe liquid is corn starch, and the amount of plant starch is kept the same. The other components and amounts are the same as in Embodiment 1, and the preparation method is the same as in Embodiment 1.

[0095] Example 9

[0096] This embodiment provides a starch-containing no-shampoo cleaning and anti-itch wet wipe. The only difference between the wet wipe and the one in Embodiment 1 is that the plant starch in the wet wipe liquid is rice starch, and the amount of plant starch is kept the same. The other components and amounts are the same as in Embodiment 1, and the preparation method is the same as in Embodiment 1.

[0097] Example 10

[0098] This embodiment provides a starch-containing no-shampoo cleaning and anti-itch wet wipe. The only difference between the wet wipe and the one in Example 1 is that the surfactant in the wet wipe liquid is glycolipid, and the amount of surfactant is kept the same. The other components and amounts are the same as in Example 1, and the preparation method is the same as in Example 1.

[0099] Example 11

[0100] This embodiment provides a starch-containing no-shampoo cleaning and anti-itch wet wipe. The only difference between the wet wipe and the one in Example 1 is that the surfactant in the wet wipe liquid is a yeast fermentation product extract, and the amount of surfactant is kept the same. The other components and amounts are the same as in Example 1, and the preparation method is the same as in Example 1.

[0101] Comparative Example 1

[0102] This comparative example provides a starch-containing no-shampoo cleaning and anti-itch wipe. The only difference between the wipe and Example 1 is that the wipe liquid does not contain plant starch. The reduction is made up by methyl methacrylate crosspolymer and surfactant in proportion. The remaining components and amounts are the same as in Example 1, and the preparation method is the same as in Example 1.

[0103] Comparative Example 2

[0104] This comparative example provides a starch-containing no-shampoo cleaning and anti-itch wipe. The only difference between the wipe and Example 1 is that the wipe liquid does not include methyl methacrylate crosspolymer. The reduction is made up by plant starch and surfactant in proportion. The remaining components and amounts are the same as in Example 1, and the preparation method is the same as in Example 1.

[0105] Comparative Example 3

[0106] This comparative example provides a starch-containing no-shampoo cleaning and anti-itch wipe. The only difference between the wipe and Example 1 is that the wipe liquid does not contain surfactants. The reduction is made up by the proportion of plant starch and methyl methacrylate crosspolymer. The remaining components and amounts are the same as in Example 1, and the preparation method is the same as in Example 1.

[0107] Comparative Example 4

[0108] This embodiment provides a starch-containing no-shampoo cleaning and anti-itch wipe. The only difference between the wipe and the one in Embodiment 1 is that the wipe liquid does not contain a cooling agent, and the reduction is made up by an anti-itch agent. The remaining components and dosages are the same as in Embodiment 1, and the preparation method is the same as in Embodiment 1.

[0109] Test Example 1: Oil Control Effect Test

[0110] Oil content test: 105 volunteers, women aged 25-40, were randomly divided into 15 groups of 7 people each. Each group used an appropriate amount of the wet wipes provided in Examples 1-11 and Comparative Examples 1-4. The oil content of the forehead was collected using a SEBUMETER to evaluate the oil secretion status. The SEBUMETER method is based on the principle of photometry. A special matte adhesive tape, 0.1 mm thick, absorbs oil from human skin and becomes translucent. Its light transmittance changes accordingly; the more oil absorbed, the greater the light transmittance, thus allowing measurement of the forehead oil content. Five different areas on the forehead of the test sample were measured using a SEBUMETER at a temperature of 22±1℃. After wiping the forehead with each sample for 30 minutes, the light transmittance was measured at the five areas on the forehead (the same as before the test) using a SEBUMETER. The average value was taken, and the reduction rate of forehead oil content after using each sample was calculated.

[0111] .

[0112] The specific test results are shown in Table 1:

[0113] Table 1

[0114]

[0115] As shown in Table 1, the wet wipes described in Examples 1-3 of this invention reduce the amount of oil on the forehead by more than 22%, indicating that the plant starch, surfactant, and methyl methacrylate cross-linked polymer described in this invention work together to achieve a synergistic effect. They can reduce sebaceous gland activity, inhibit oil secretion, and have excellent oil control effect. The choice of plant starch and surfactant also affects the oil control effect.

[0116] Test Example 2: Consumer Sensory Effect Evaluation

[0117] One hundred and five volunteers (from the same group as Test Case 1), women aged 25-40, were randomly divided into 15 groups of seven. Each group received an appropriate amount of the wipes provided in Examples 1-11 and Comparative Examples 1-4. Testing method: Subjects used the wipes from Examples 1-11 and Comparative Examples 1-4 once daily for three consecutive days. Hair bleaching and dyeing were prohibited during the test period, as were the use of other care products. Except in special circumstances, subjects were not allowed to discontinue product use. After use, subjects rated the effectiveness on a 5-point scale: 4.5-5 or higher indicated excellent (very satisfied); 3.5-4.5 indicated good; 2.5-3.5 indicated moderately acceptable; and below 2.5 indicated poor (unacceptable). The scores for each group were the average of 10 participants. The results are shown in Table 2.

[0118] Table 2

[0119]

[0120] As shown in Table 2, the average comprehensive score of the wet wipes provided in Examples 1-3 of the present invention is above 4.5 points, indicating that the products have excellent oil removal and itch relief properties, and provide good scalp comfort after use.

[0121] As can be seen from Examples 4-7, the antipruritic and oil-controlling effects have decreased, indicating that the product can better improve the antipruritic effect after adding an antipruritic agent. Furthermore, Gentiana macrophylla extract, Swertia japonica extract, and Gentiana scabra extract also have oil-controlling effects, and the three have a synergistic effect on oil control and antipruritic effects.

[0122] As can be seen from Examples 8-9, the oil removal rate decreased, indicating that the combined use of corn starch and rice starch can improve the product's effectiveness.

[0123] As can be seen from Examples 10-11, the choice of surfactant has an impact on the degreasing and antipruritic effects of the product;

[0124] As can be seen from Comparative Examples 1-3, the combination of plant starch, methyl methacrylate crosspolymer and surfactant can improve the degreasing and antipruritic properties of the product.

[0125] As shown in Comparative Example 4, the synergistic effect of cooling agents and antipruritic agents can make the product more effective in relieving itching, and the product is significantly less comfortable when cooling agents are absent.

[0126] Safety evaluation of Test Example 3:

[0127] The specific method was as follows: Forty volunteers aged 18-35 years (half male and half female) with no history of allergies were selected. Each subject used the wet wipes prepared in Examples 1-11. After cleaning the subject's arm, the patch applicator containing the sample was applied to the selected location on the arm using non-irritating adhesive tape. After application, the patch was gently pressed with the fingers to ensure even application to the skin, and left for 48 hours. During these 48 hours, the subject kept the patch area dry and avoided strenuous exercise, scratching, and prolonged sun exposure. After 48 hours, the applicator was removed and marked. After 30 minutes, once the indentation disappeared, the applicator was evaluated under sufficient light.

[0128] The grading criteria for adverse skin reactions are shown in Table 3:

[0129] Table 3

[0130]

[0131] The results are shown in Table 4:

[0132] Table 4

[0133]

[0134] As shown in Table 4, no adverse skin reactions were observed in the volunteers after the spot tester was removed. This indicates that the raw materials used in the wet wipes of this invention are safe and non-irritating, have no adverse reactions on the human body, and are highly safe.

[0135] The applicant declares that this invention illustrates a starch-containing no-shampoo cleaning and anti-itch wipe and its preparation method through the above embodiments. However, this invention is not limited to the above embodiments, meaning that this invention does not necessarily rely on the above embodiments to be implemented. Those skilled in the art should understand that any improvements to this invention, equivalent substitutions of the raw materials, additions of auxiliary components, and selection of specific methods, etc., all fall within the protection and disclosure scope of this invention.

[0136] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the specific details in the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0137] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not describe the various possible combinations separately.

Claims

1. A starch-containing no-shampoo cleaning and anti-itch wipe, characterized in that, The wet wipes include a wet wipe liquid and a carrier; The components of the wet wipe liquid include plant starch, methyl methacrylate crosspolymer, cooling agent, surfactant and deionized water.

2. The starch-containing no-shampoo cleaning and anti-itch wipes as described in claim 1, characterized in that, The mass ratio of the carrier to the wet wipe liquid is 1:(2.5-5). Preferably, the carrier comprises a nonwoven fabric or a woven fabric.

3. The starch-containing no-shampoo cleaning and anti-itch wipes as described in claim 1 or 2, characterized in that, The wet wipe liquid comprises, by weight, 5-10 parts of plant starch, 1-5 parts of methyl methacrylate crosspolymer, 1-5 parts of cooling agent, 0.1-2 parts of surfactant, and 60-95 parts of deionized water.

4. The starch-containing no-shampoo cleaning and anti-itch wipes as described in any one of claims 1-3, characterized in that, The plant starch includes corn starch and / or rice starch; Preferably, the plant starch is rice starch.

5. The starch-containing no-shampoo cleaning and anti-itch wipes as described in any one of claims 1-4, characterized in that, The cooling agent includes propylene glycol, hydroxypropyl cellulose, methyl diisopropyl propionamide, menthol alkyl ethylamine, and menthol lactate; Preferably, the surfactant comprises glycolipids and / or yeast fermentation product extracts; Preferably, the surfactant is a glycolipid and a yeast fermentation product extract.

6. The starch-containing no-shampoo cleaning and anti-itch wipes as described in any one of claims 1-5, characterized in that, The wet wipe liquid also contains an antipruritic agent; Preferably, the wet wipe liquid composition further includes 1-5 parts by weight of an antipruritic agent.

7. The starch-containing no-shampoo cleaning and anti-itch wipes as described in claim 6, characterized in that, The antipruritic agent includes any one or a combination of two of the following: Gentiana macrophylla extract, Swertia japonica extract, or Gentiana scabra extract; Preferably, the antipruritic agent is a combination of Gentiana macrophylla extract, Swertia japonica extract and Gentiana scabra extract.

8. The starch-containing no-shampoo cleaning and anti-itch wipes as described in any one of claims 1-7, characterized in that, The wet wipe liquid also includes any one or a combination of at least two of the following: thickener, preservative, chelating agent, fragrance, or polyol; Preferably, the chelating agent comprises tetrasodium EDTA and / or disodium EDTA; Preferably, the preservative includes any one or a combination of at least two of phenoxyethanol, methylparaben, or chlorphenesin; Preferably, the polyol includes any one or a combination of at least two of propylene glycol, butanediol, or 1,3-propanediol; Preferably, the thickener comprises any one or a combination of at least two of ammonium acryloyldimethyl taurate / VP copolymer, ammonium polyacryloyldimethyl taurate, or sodium acryloyldimethyl taurate / VP crosspolymer.

9. A method for preparing a starch-containing no-shampoo cleaning and anti-itch wipe as described in any one of claims 1-8, characterized in that, The preparation method includes: (1) A mixture is obtained by mixing deionized water and cooling agent; (2) Add surfactant, plant starch and methyl methacrylate cross-linked polymer to the mixture and mix and homogenize to obtain wet wipe liquid; (3) The carrier is soaked in wet wipe liquid and packaged to obtain the starch-containing no-shampoo cleaning and anti-itch wet wipe.

10. The preparation method according to claim 9, characterized in that, Step (1) also includes the addition of polyols and / or preservatives; Preferably, step (2) further includes adding any one or a combination of at least two of the following: fragrance, antipruritic agent, chelating agent or thickener; Preferably, the mixing and homogenization in step (2) is carried out at a rotation speed of 2000-2500 r / min for 3-5 min.

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