Visual multi-effect continuous phase bath oils and methods of making the same

Abstract

This invention relates to a visualized, multi-effect continuous phase bath oil and its preparation method. The bath oil comprises, by weight, 40-85 parts of oil, 5-20 parts of emulsifier, 10-40 parts of foaming agent, 0.2-1 parts of antioxidant, 0.1-2 parts of active ingredient, and 1-10 parts of polyol; the active ingredient includes palmitoyl hexapeptide-12, β-alanylhydroxyprolyl diaminobutyric acid benzylamine, and hydrolyzed ginsenosides. The bath oil of this invention is a foaming bath oil. Through the specific combination of oil, emulsifier, foaming agent, antioxidant, active ingredient, and polyol, it can improve foaming speed and increase foam volume, while adjusting the micelles of the system to reduce clumping. Furthermore, the bath oil exhibits significant foam stabilization after use and can delay defoaming.

Description

Technical Field

[0001] This invention belongs to the field of cosmetic technology, specifically relating to a visualized multi-effect continuous phase bath oil and its preparation method. Background Technology

[0002] Bath products are daily necessities, requiring daily use, resulting in a large market with increasing consumption across the category. Currently, the main bath products on the market include shower gel, shower foam, and shower oil. Shower oil, as an emerging consumer product type, has broad prospects. Unlike shower gel, shower oil's cleansing mechanism is "oil dissolves oil," effectively cleaning dirt and removing makeup and stubborn oil stains. Compared to regular shower gel, it leaves skin feeling moisturized and not dry, meeting the market demand for highly effective cleansing. Shower oils come in two types: emulsified and foaming. Emulsified shower oils are similar in composition to makeup remover oils; after the oil dissolves dirt, it is rinsed off with water, turning milky white upon contact with water, as the emulsifier removes the dissolved dirt. Foaming shower oils, on the other hand, contain foaming agents, allowing them to lather when mixed with water, providing a better skin experience.

[0003] CN121714485A discloses a stable and foaming bath oil and its preparation method, relating to the field of daily chemical product technology. The plant oil is composed of peony seed oil, grape seed oil, and sunflower seed oil in a mass ratio of 1:2:2. The raw materials of the bath oil include the following components: by weight, 45-50 parts plant oil, 18-22 parts surfactant, 16-18 parts fatty alcohol polyoxyethylene ether, 8-12 parts caprylic / capric triglyceride, 1-3 parts Span 80, 0.1-0.5 parts antioxidant, 1-3 parts cocamidomethyl MEA, and 0.1-2 parts fragrance. This application, based on compounded plant oils, screens the optimal suitable surfactant, and then introduces a composite antioxidant, effectively forms a long-lasting, stable, high-foaming, gentle, and nourishing bath oil.

[0004] CN112494369A discloses a bath oil and its preparation method. The bath oil comprises the following components by weight percentage: 35-55% plant oil, 20-40% detergent, 0.1-1.0% antioxidant, and 20-40% emulsifier. The preparation method includes the following steps: weighing each component according to the formula, mixing the remaining components except for the detergent, and then adding the detergent to mix further to obtain the bath oil. The bath oil is refreshing, easy to rinse, gentle, and non-irritating, providing a pleasant washing experience; it effectively moisturizes and nourishes the skin while providing good cleansing.

[0005] However, existing bath oils suffer from several problems. First, they are greasy and difficult to rinse off, emulsify slowly, and have poor stability. They also leave oil residue after washing, affecting the consumer experience. Second, some products have excessive degreasing power, causing them to clump when exposed to water and resulting in dry skin. Furthermore, most bath oils on the market have a single-layer oil-based appearance, low viscosity, and lack novelty. Therefore, a product that is easy to rinse, does not clump, is safe and non-irritating, and offers differentiation and personalization is more popular and attracts more attention from consumers. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides a visualized multi-effect continuous phase bath oil and its preparation method.

[0007] To achieve this objective, the present invention adopts the following technical solution: In a first aspect, the present invention provides a visual multi-effect continuous phase bath oil, wherein the components of the bath oil, by weight, include 40-85 parts of oil, 5-20 parts of emulsifier, 10-40 parts of foaming agent, 0.2-1 parts of antioxidant, 0.1-2 parts of active ingredient and 1-10 parts of polyol; The active ingredients include palmitoyl hexapeptide-12, β-alanylhydroxyprolyl diaminobutyrate benzylamine, and hydrolyzed ginsenosides.

[0008] The amount of oil added in the visual multi-effect continuous phase bath oil of the present invention can be 45 parts, 50 parts, 55 parts, 60 parts, 65 parts, 70 parts, 75 parts or 80 parts, etc.

[0009] The amount of emulsifier added can be 6 parts, 8 parts, 10 parts, 12 parts, 14 parts, 16 parts, or 18 parts, etc.

[0010] The amount of foaming agent added can be 12 parts, 15 parts, 18 parts, 20 parts, 22 parts, 25 parts, 28 parts, 30 parts, 32 parts, 35 parts, or 38 parts, etc.

[0011] The amount of antioxidant added can be 0.3 parts, 0.4 parts, 0.5 parts, 0.6 parts, 0.7 parts, 0.8 parts, or 0.9 parts, etc.

[0012] The amount of the active ingredient can be 0.2 parts, 0.5 parts, 0.8 parts, 1 part, 1.2 parts, 1.4 parts, 1.6 parts, or 1.8 parts, etc.

[0013] The amount of polyol added can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, or 9 parts, etc.

[0014] Preferably, the mass ratio of palmitoyl hexapeptide-12, β-alanylhydroxyprolyl diaminobutyric acid benzylamine and hydrolyzed ginsenosides is (0.01-1):(2-6):(10-30).

[0015] The "0.01-1" can be 0.03, 0.05, 0.08, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8 or 0.9, etc.

[0016] “2-6” can be 2.5, 3, 3.5, 4, 4.5, 5 or 5.5, etc.

[0017] "10-30" can be 11, 13, 15, 18, 20, 22, 25, 27 or 29, etc.

[0018] Preferably, the emulsifier comprises any one or a combination of at least two of lauryl ether-3, lauryl ether-4, PEG-20 glyceryl triisostearate, PEG-40 hydrogenated castor oil, PEG-12 laurate, PPG-2 hydroxyethyl cocoamide, PPG-26-butanol polyether-26, or polyglycerol-10 laurate.

[0019] Preferably, the emulsifier is lauryl ether-3, lauryl ether-4, PEG-20 glyceryl triisostearate, PEG-40 hydrogenated castor oil, and PPG-2 hydroxyethyl cocoamide.

[0020] Preferably, the mass ratio of lauryl ether-3, lauryl ether-4, PEG-20 glyceryl triisostearate, PEG-40 hydrogenated castor oil, and PPG-2 hydroxyethyl cocoamide is (1-10):(1-10):(1-5):(0.1-5):(0.1-2.5).

[0021] The first "1-10" can be 2, 3, 4, 5, 6, 7, 8 or 9, etc.

[0022] The second "1-10" can be 2, 3, 4, 5, 6, 7, 8 or 9, etc.

[0023] “1-5” can be 1.5, 2, 2.5, 3, 3.5, 4 or 4.5, etc.

[0024] "0.1-5" can be 0.3, 0.5, 0.8, 1, 1.5, 2, 2.5, 3, 3.5, 4 or 4.5, etc.

[0025] "0.1-2.5" can be 0.3, 0.5, 0.8, 1, 1.2, 1.5, 1.8, 2, 2.2 or 2.4, etc.

[0026] Preferably, the oil comprises any one or a combination of at least two of the following: sunflower seed oil, corn germ oil, castor seed oil, saffron oil, coconut oil, oat kernel oil, walnut oil, squalane, propylene glycol dicaprylyl / didecanoate, cetyl ethylhexanoate, C12-13 alcohol lactate, butylene glycol dicaprylyl / didecanoate, caprylic / capric triglyceride, or dioctyl carbonate.

[0027] Preferably, the oil is sunflower seed oil, castor seed oil, cetyl ethylhexanoate, and dioctyl carbonate.

[0028] Preferably, the mass ratio of sunflower seed oil, castor seed oil, cetyl ethylhexanoate and dioctyl carbonate is (4-8):(1-3):(1-3):(1-3).

[0029] The "4-8" can be 4.2, 4.5, 4.8, 5, 5.2, 5.5, 5.8, 6, 6.2, 6.5, 6.8, 7, 7.2, 7.5 or 7.8, etc.

[0030] The first "1-3" can be 1.1, 1.3, 1.5, 1.8, 2, 2.1, 2.3, 2.5, 2.7 or 2.9, etc.

[0031] The second "1-3" can be 1.1, 1.3, 1.5, 1.8, 2, 2.1, 2.3, 2.5, 2.7 or 2.9, etc.

[0032] The third "1-3" can be 1.1, 1.3, 1.5, 1.8, 2, 2.1, 2.3, 2.5, 2.7 or 2.9, etc.

[0033] Preferably, the foaming agent comprises any one or a combination of at least two of the following: lauryl ether sulfate (TIPA), lauryl ether sulfate (MIPA), sodium cocoyl glycinate, sodium lauroyl glutamate, sodium cocoyl glutamate, sodium methyl cocoyl taurate, sodium tridecyl ether sulfate, or potassium cocoyl glycinate.

[0034] Preferably, the foaming agent is lauryl ether sulfate (TIPA), sodium cocoyl glycinate, and potassium cocoyl glycinate.

[0035] Preferably, the mass ratio of the foaming agent lauryl ether sulfate TIPA salt, sodium cocoyl glycinate, and potassium cocoyl glycinate is (15-35):(0.1-2):(0.1-2).

[0036] "15-35" can be 16, 18, 20, 22, 24, 26, 28, 30, 32 or 34, etc.

[0037] The first "0.1-2" can be 0.2, 0.4, 0.6, 0.8, 1, 1.2, 1.4, 1.6 or 1.8, etc.

[0038] The second "0.1-2" can be 0.2, 0.4, 0.6, 0.8, 1, 1.2, 1.4, 1.6 or 1.8, etc.

[0039] Preferably, the antioxidant includes any one or a combination of at least two of tocopherol (vitamin E), butylated hydroxytoluene, or benzotriazolyl dodecyl p-cresol.

[0040] Preferably, the antioxidant is butylated hydroxytoluene and benzotriazolyl dodecyl p-cresol.

[0041] Preferably, the mass ratio of butylated hydroxytoluene to benzotriazolyl dodecyl p-cresol is 1:(0.2-1), for example, it can be 1:0.3, 1:0.4, 1:0.5, 1:0.6, 1:0.7, 1:0.8 or 1:0.9, etc.

[0042] Preferably, the polyol comprises any one or a combination of at least two of dipropylene glycol, 1,3-propanediol, propylene glycol, sorbitol, or glycerol.

[0043] Preferably, the polyol is dipropylene glycol and propylene glycol; Preferably, the mass ratio of dipropylene glycol to propylene glycol is 1:(0.1-3), for example, it can be 1:0.3, 1:0.5, 1:0.8, 1:1, 1:1.2, 1:1.5, 1:1.8, 1:2, 1:2.2, 1:2.5 or 1:2.8, etc.

[0044] In a second aspect, the present invention provides a method for preparing a visualized multi-effect continuous phase bath oil as described in the first aspect, the preparation method comprising: The visualized multi-effect continuous phase bath oil is obtained by mixing and homogenizing oils, emulsifiers, foaming agents, antioxidants, active ingredients and polyols.

[0045] Preferably, the preparation method includes: (1) Mixture A is obtained by heating and homogenizing oil, lauryl ether sulfate (TIPA) salt and antioxidant; (2) The emulsifier, polyol, sodium cocoyl glycinate and potassium cocoyl glycinate were heated and then mixed and homogenized to obtain mixture B; (3) Mixture A and mixture B are cooled down and then mixed. After cooling down, the active ingredients are added and the mixture is homogenized to obtain the visualized multi-effect continuous phase bath oil. Steps (1) and (2) are not in any particular order.

[0046] Preferably, the heating in step (1) to 80-100℃ can be, for example, 81℃, 83℃, 85℃, 88℃, 90℃, 82℃, 85℃, 97℃ or 99℃.

[0047] Preferably, the heating in step (2) to 80-100℃ can be, for example, 81℃, 83℃, 85℃, 88℃, 90℃, 82℃, 85℃, 97℃ or 99℃.

[0048] Preferably, in step (3), mixture A and mixture B are cooled to 45-60°C, for example, to 46°C, 48°C, 50°C, 52°C, 54°C, 56°C or 58°C.

[0049] Preferably, the temperature in step (3) is further reduced to 30-40°C, for example, 31°C, 33°C, 35°C, 37°C or 39°C.

[0050] All the specific point values ​​within the above range can be selected, and will not be elaborated on here.

[0051] Compared with the prior art, the present invention has the following beneficial effects: (1) The bath oil of the present invention belongs to the foaming bath oil. Through the combination of specific oils, emulsifiers, foaming agents, antioxidants, active ingredients and polyols, the foaming speed and foam volume can be improved. At the same time, the micelles of the system are adjusted to reduce the clumping phenomenon. Moreover, the bath oil has a significant foam stabilizing effect after use and can delay defoaming.

[0052] (2) The active ingredients in this invention are a combination of palmitoyl hexapeptide-12, β-alanylhydroxyprolyl diaminobutyrate benzylamine and hydrolyzed ginsenosides, which can significantly improve the moisturizing and repairing effect after bathing. Among them, palmitoyl hexapeptide-12, as a signal peptide, can gently promote the synthesis of structural proteins and lipids in the stratum corneum, quickly stabilize the arrangement of the stratum corneum, and reduce the minor damage to the skin barrier caused by emulsifiers during bathing; β-alanylhydroxyprolyl diaminobutyrate benzylamine, as a nerve-soothing active ingredient, can quickly relieve the effects of surfactants. It reduces discomfort such as dryness, tightness, and mild itching caused by the product, and lowers skin sensitivity. Hydrolyzed ginsenosides have excellent skin affinity and penetration properties, which can effectively replenish skin moisture, improve dryness and roughness, and enhance the skin's own water-locking ability during the short contact of the bath product with the skin. The three work together to achieve an organic combination of rapid soothing, immediate repair and long-lasting moisturizing, effectively reducing the rapid loss of skin moisture after bathing, improving dry, itchy and rough skin, and keeping the skin moisturized, not tight and less prone to redness after bathing.

[0053] (3) The bath oil of the present invention is a special bicontinuous phase system. A special emulsifier composition is used to connect the polyol phase and the oil phase to form a bicontinuous phase. Compared with ordinary bath oil, the formation of the bicontinuous phase can reduce the emulsion particle size of the system. The smaller particle size can quickly penetrate into the deep layers of the skin and pores, better wash away makeup and dirt, and enhance the cleaning power and emulsification power. Compared with commercially available foaming bath oil, the polyol phase in the bicontinuous phase system of the present invention can reduce the permeability of oil and foaming agent, thereby reducing the overall irritation of the system, increasing the foam thickness, and enhancing the foam stabilization effect. In addition, the polyol phase can enhance the compatibility and dispersibility of bath oil with water and improve the formation of clumps when bath oil is rinsed with water.

[0054] (4) The bath oil of the present invention is a layered and transparent double layer when it is left to stand, and a transparent single layer after shaking, i.e., a continuous phase, which realizes mechanical force response. At the same time, by adjusting the ratio of emulsifier and foaming agent, the ratio of upper and lower layers and the layering speed can be controlled. By adjusting the oil, the transparency of the continuous phase can be controlled to form a visually visible continuous phase. Currently, the appearance of commercially available bath oils is a single layer. In contrast, the double continuous phase bath oil of the present invention has a differentiated and special appearance, and is novel and beautiful.

[0055] (5) The bicontinuous phase bath oil of the present invention reduces the overall oleic acid and linoleic acid content of the formula by compounding natural source oils and plant oils, and at the same time, it is combined with antioxidants to improve the peroxidation and rancidity of plant oils, solve the problems of discoloration and off-flavor, and improve the overall stability of the system.

[0056] (6) This invention provides a special bath oil preparation process. Amino acid surfactants are water-soluble raw materials that are easily soluble in water but not in the oil phase. In particular, this invention combines solid pure amino acid surfactants with lauryl ether sulfate TIPA salt, polyol and emulsifier, and disperses them by high-temperature stirring, thus innovatively achieving stable dissolution of amino acid surfactants in the oil-based system. Attached Figure Description

[0057] Figure 1 This is a schematic diagram showing the appearance changes of the bath oil obtained in Example 1 of the present invention; Figure 2 A comparison diagram showing the use of commercially available bath oil and the bath oil prepared in Example 1 of this invention.

[0058] The ingredients of commercially available bath oils are: grape seed oil, lauryl ether sulfate (TIPA), lauryl ether-3, caprylic / capric triglyceride, fragrance, cocamide MEA, propylene glycol, sorbitan oleate, sweet almond oil, bergamot fruit oil, sunflower seed oil, tocopherol / vitamin E, water, and rosemary leaf extract. Detailed Implementation

[0059] To further illustrate the technical means and effects of the present invention, the following describes the technical solution of the present invention in conjunction with preferred embodiments of the present invention. However, the present invention is not limited to the scope of the embodiments.

[0060] The following detailed description of the features and advantages of the present invention is sufficient to enable those skilled in the art to understand the technical content of the present invention and to implement it accordingly. Furthermore, based on this specification, claims, and drawings, those skilled in the art can easily understand the related objectives and advantages of the present invention.

[0061] The terminology and expressions used herein are for descriptive purposes only, and the invention should not be limited to these terms and expressions. The use of these terms and expressions does not imply the exclusion of any illustrative and descriptive equivalents (or parts thereof), and it should be recognized that various modifications that may exist should also be included within the scope of the claims. Other modifications, variations, and substitutions may also exist. Accordingly, the claims should be considered to cover all such equivalents.

[0062] 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.

[0063] 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, antibacterial agents, antioxidants, or impurities within permissible limits.

[0064] The sources of some of the raw materials used in the embodiments and comparative examples of this invention are shown in Table 1 below: Table 1 All other raw materials can be used as long as they are purchased from authorized distributors.

[0065] Examples 1-3 The embodiments provide three types of visual multi-effect continuous phase bath oils. The components of the bath oils are shown in Table 2 by weight, and the amount of each component in the table is by weight.

[0066] Table 2 The bath oil preparation method in Example 1 includes the following steps: (1) Heat the oil, lauryl ether sulfate (TIPA) salt and antioxidant to 80°C, mix and homogenize to obtain mixture A; (2) The emulsifier, polyol, sodium cocoyl glycinate and potassium cocoyl glycinate were heated to 80°C and mixed and homogenized to obtain mixture B; (3) Cool mixture A and mixture B to 45°C respectively, mix them and continue to cool to 30°C, add the active ingredients, mix and homogenize to obtain the visualized multi-effect continuous phase bath oil.

[0067] The preparation methods of the bath oils in Examples 2 and 3 are the same as those in Example 1.

[0068] The bath oil prepared in Example 1 was observed after being left to stand at 25°C for 30 minutes and then shaken at 25°C for 1 minute. Figure 1 As shown.

[0069] Example 4 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between this bath oil and that in Example 1 is that the amount of emulsifier is 15 parts and the amount of foaming agent is 24.5 parts. The proportions of each component in the emulsifier and foaming agent remain unchanged, while the other components and their amounts remain unchanged. The preparation method is the same as in Example 1.

[0070] Example 5 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between this bath oil and that in Example 1 is that the amount of emulsifier is 20 parts and the amount of foaming agent is 19.5 parts. The proportions of each component in the emulsifier and foaming agent remain unchanged, while the other components and their amounts remain unchanged. The preparation method is the same as in Example 1.

[0071] Example 6 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between the bath oil and that in Example 1 is that the oil does not include sunflower seed oil. The reduction is made up by castor seed oil, cetyl ethylhexanoate and dioctyl carbonate in proportion. The remaining components and amounts remain unchanged. The preparation method is the same as in Example 1.

[0072] Example 7 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between the bath oil and that in Example 1 is that the oil does not include castor seed oil. The reduction is made up by sunflower seed oil, cetyl ethylhexanoate and dioctyl carbonate in proportion. The remaining components and amounts remain unchanged. The preparation method is the same as in Example 1.

[0073] Example 8 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between the bath oil and that in Example 1 is that the oil does not contain cetyl ethylhexanoate. The reduction in cetyl ethylhexanoate is made up by sunflower seed oil, castor seed oil and dioctyl carbonate in proportion. The remaining components and amounts remain unchanged. The preparation method is the same as in Example 1.

[0074] Example 9 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between the bath oil and that in Example 1 is that the oil does not contain dioctyl carbonate. The reduction is made up by sunflower seed oil, castor seed oil and cetyl ethylhexanoate in proportion to the amount of each component. The other components and amounts remain unchanged. The preparation method is the same as in Example 1.

[0075] Example 10 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between this bath oil and that of Example 1 is that the emulsifier does not include lauryl ether-3. The reduction in lauryl ether-4, PEG-20 glyceryl triisostearate, PEG-40 hydrogenated castor oil, and PPG-2 hydroxyethyl cocoamide are made up in proportion to the amount of each component. The remaining components and amounts remain unchanged. The preparation method is the same as in Example 1.

[0076] Example 11 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between this bath oil and that of Example 1 is that the emulsifier does not include lauryl ether-4. The reduction in lauryl ether-3, PEG-20 glyceryl triisostearate, PEG-40 hydrogenated castor oil, and PPG-2 hydroxyethyl cocoamide are made up in proportion to the amount of each component. The remaining components and amounts remain unchanged. The preparation method is the same as in Example 1.

[0077] Example 12 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between this bath oil and that of Example 1 is that the emulsifier does not include PEG-20 glyceryl triisostearate. The reduction in its amount is made up by lauryl ether-3, lauryl ether-4, PEG-40 hydrogenated castor oil and PPG-2 hydroxyethyl cocoamide in proportion to the amount of each component. The remaining components and amounts remain unchanged. The preparation method is the same as in Example 1.

[0078] Example 13 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between this bath oil and that of Example 1 is that the emulsifier does not include PEG-40 hydrogenated castor oil. The reduction in amount is made up by lauryl ether-3, lauryl ether-4, PEG-20 glyceryl triisostearate, and PPG-2 hydroxyethyl cocoamide in proportion to the amount of each component. The remaining components and amounts remain unchanged. The preparation method is the same as in Example 1.

[0079] Example 14 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between this bath oil and that of Example 1 is that the emulsifier does not include PPG-2 hydroxyethyl cocoamide. The reduction in PPG-2 is made up by lauryl ether-3, lauryl ether-4, PEG-20 glyceryl triisostearate, and PEG-40 hydrogenated castor oil in proportion to the amount of each component. The remaining components and amounts remain unchanged. The preparation method is the same as in Example 1.

[0080] Example 15 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between this bath oil and that of Example 1 is that the foaming agent does not include lauryl ether sulfate (TIPA) salt. The reduction in TIPA salt is made up by sodium cocoyl glycinate and potassium cocoyl glycinate in proportion to the amount of each component. The remaining components and amounts remain unchanged. The preparation method is the same as in Example 1.

[0081] Example 16 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between this bath oil and that of Example 1 is that the foaming agent does not include sodium cocoyl glycinate. The reduction in sodium cocoyl glycinate is made up by potassium cocoyl glycinate. The remaining components and their amounts remain unchanged. The preparation method is the same as that of Example 1.

[0082] Example 17 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between this bath oil and that of Example 1 is that the foaming agent does not include potassium cocoyl glycinate. The reduction is made up by sodium cocoyl glycinate. The remaining components and their amounts remain unchanged. The preparation method is the same as in Example 1.

[0083] Example 18 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between this bath oil and that of Example 1 is that the polyol does not include dipropylene glycol, and the reduction is made up by propylene glycol. The remaining components and amounts remain unchanged, and the preparation method is the same as in Example 1.

[0084] Example 19 This embodiment provides a visual multi-effect continuous phase bath oil. The only difference between this bath oil and that of Example 1 is that the polyol does not include propylene glycol, and the reduction is made up by dipropylene glycol. The remaining components and amounts remain unchanged, and the preparation method is the same as in Example 1.

[0085] Example 20 This embodiment provides a visual multi-effect continuous phase bath oil. The difference between this bath oil and Application Example 1 is that no butylated hydroxytoluene or benzotriazolyl dodecyl p-cresol is added to the components. The reduction is made up by other antioxidants, such as tocopherol (vitamin E). The remaining components and amounts remain unchanged. The preparation method is the same as in Example 1.

[0086] Comparative Example 1 This comparative example provides a visual multi-effect continuous phase bath oil. The difference between this bath oil and Example 1 is that the active ingredient does not contain palmitoyl hexapeptide-12. The reduction in its amount is made up by β-alanylhydroxyprolyl diaminobutyric acid benzylamine and hydrolyzed ginsenosides in proportion. The remaining components and amounts remain unchanged. The preparation method is the same as in Example 1.

[0087] Comparative Example 2 This comparative example provides a visual multi-effect continuous phase bath oil. The difference between this bath oil and Example 1 is that the active ingredient does not contain benzyl β-alanylhydroxyprolyl diaminobutyrate. The reduction is made up by hydrolyzed ginsenosides. The other components and their amounts remain unchanged. The preparation method is the same as in Example 1.

[0088] Comparative Example 3 This comparative example provides a visual multi-effect continuous phase bath oil. The difference between this bath oil and Example 1 is that the active ingredients do not contain hydrolyzed ginsenosides. The reduction in the amount of active ingredients is made up by benzyl β-alanylhydroxyprolyl diaminobutyrate. The other components and their amounts remain unchanged. The preparation method is the same as in Example 1.

[0089] Test Example 1: Product Appearance The products of Examples 1-20 and Comparative Examples 1-3 were left to stand at 25°C for 24 hours and their appearance, i.e., properties, layering ratio and layering speed, were observed. The results are shown in Table 3 below.

[0090] Table 3 As can be seen from the tests in Examples 1-3 in Table 3, the layering ratio and layering speed of the system can be intelligently adjusted by adjusting the proportion of each component.

[0091] As can be seen from Examples 4-5, when the total content of emulsifier and foaming agent remains unchanged, the ratio of the two will affect the separation speed and separation ratio.

[0092] As can be seen from Examples 6-9, the combination of oils has a significant impact on the transparency, layering ratio, and layering speed of bath oil. The absence of castor seed oil, cetyl ethylhexanoate, and dioctyl carbonate will result in a cloudy appearance, while too high a content of castor seed oil will prevent layering.

[0093] As can be seen from Examples 10-11, a bicontinuous state cannot be formed without the addition of lauryl ether-3 and lauryl ether-4. This is because lauryl ether-3 and lauryl ether-4 can disperse lauryl ether sulfate (TIPA) salt in the oil phase and are crucial emulsifiers for forming a bicontinuous phase.

[0094] As can be seen from Examples 12 and 14, PEG-20 glyceryl triisostearate and PPG-2 hydroxyethyl cocoamide have a certain auxiliary dispersing effect, which will prolong the separation time.

[0095] As can be seen from Example 13, PEG-40 hydrogenated castor oil determines whether the bath oil can be separated into layers. This is because the high HLB value of this component affects the balance of the water and oil phases in the system.

[0096] As can be seen from Example 15, when lauryl ether sulfate (TIPA) salt is not added, the content of amino acid surfactant increases too much, and the solid amino acid surfactant cannot be completely dissolved in the oil phase.

[0097] As can be seen from Examples 18-19, the absence of dipropylene glycol results in a slower layering rate. In Comparative Application Example 13, propylene glycol helps disperse lauryl ether sulfate (TIPA) salt, thus affecting transparency.

[0098] Since Examples 6-12 and Example 15 did not meet the appearance requirements, no further testing was conducted. Test Example 2: Stability Test Stability test conditions: Samples from Examples 1-5, 12, 14, 16-20 and Comparative Examples 1-3 were stored at room temperature (25℃), 45℃, and -16℃ for 3 months, respectively. The appearance of the materials after 3 months under each condition was observed, and the results are recorded in Table 4 below.

[0099] Table 4 As shown in Table 4, the products prepared in Examples 1-3 of this invention have excellent stability; and as shown in Example 20, the antioxidants butylated hydroxytoluene and benzotriazolyl dodecyl p-cresol can greatly improve the problems of discoloration and off-flavor.

[0100] Since Example 20 failed the qualitative test, no further action will be taken.

[0101] Test Example 3: User Trial Evaluation Test Test substances: Samples from Examples 1-5, 12, 14, 16-19 and Comparative Examples 1-3; Ninety-eight women aged 25-40 were randomly divided into 14 groups of seven to experience the product. Each group of volunteers used samples from Examples 1-5, 12, 14, 16-19, and Comparative Examples 1-3 of this invention for five consecutive days. The method of use was to take an appropriate amount of bath oil on the hands, massage it onto the entire body to create lather, and then rinse thoroughly with water. After use, volunteers rated the product on a 5-point scale, with 5 being the best experience and 1 being the worst. Any score between 1 and 5 was acceptable, and the average score was the average of each group of volunteers.

[0102] Evaluation criteria included: foam performance, skin feel (primarily determined by the degree of clumping and gel-like texture; less clumping and gel-like texture resulted in a better skin feel), thickness, and moisturizing properties. Results are shown in Table 5.

[0103] Table 5 As shown in Table 5, and as demonstrated in Example 14, PPG-2 hydroxyethyl cocoamide can delay defoaming speed and improve foam performance.

[0104] As can be seen from Examples 16-17, amino acid surfactants can greatly increase foam volume and foaming speed, and help improve clumping. Furthermore, the combined use of sodium cocoyl glycinate and potassium cocoyl glycinate has an even better effect.

[0105] As can be seen from Examples 18-19, the addition of polyols can prevent bath oil from clumping and producing a sticky feeling, effectively improve the skin feel and heaviness, and at the same time help increase the liquid film thickness to improve foam performance. Furthermore, dipropylene glycol and propylene glycol have a synergistic effect in the above-mentioned effects.

[0106] Comparative Examples 1-3 show that the combined use of palmitoyl hexapeptide-12, β-alanylhydroxyprolyl diaminobutyric acid benzylamine, and hydrolyzed ginsenosides can make the skin moisturized and not tight after using the bath oil, with a long-lasting moisturizing effect, and the three have a synergistic effect.

[0107] Test Example 4: Security Test The specific method was as follows: Forty women aged 18-35 years with no history of allergies were selected. Each subject used samples prepared according to Examples 1-3. 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 pressure marks disappeared, the sample was evaluated under sufficient light.

[0108] The grading criteria for adverse skin reactions are shown in Table 6: Table 6 The results are shown in Table 7: Table 7 As shown in Table 7, no adverse skin reactions were observed in the volunteers after the spot tester was removed. This indicates that the raw materials used in the product of this invention are safe and non-irritating, have no adverse reactions on the human body, and are highly safe.

[0109] The applicant declares that the technical solution of this invention is illustrated by the above embodiments, but this invention is not limited to the above embodiments, that is, it does not mean that this invention must rely on the above embodiments to be implemented. Those skilled in the art should understand that any improvements to this invention, equivalent substitutions of raw materials for the product of this invention, addition of auxiliary components, and selection of specific methods, etc., all fall within the protection scope and disclosure scope of this invention.

[0110] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the specific details of 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.

[0111] 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 visually appealing, multi-effect continuous phase bath oil, characterized in that, The bath oil comprises, by weight, 40-85 parts of oil, 5-20 parts of emulsifier, 10-40 parts of foaming agent, 0.2-1 part of antioxidant, 0.1-2 parts of active ingredient and 1-10 parts of polyol; The active ingredients include palmitoyl hexapeptide-12, β-alanylhydroxyprolyl diaminobutyrate benzylamine, and hydrolyzed ginsenosides.

2. The visualized multi-effect continuous phase bath oil as described in claim 1, characterized in that, The mass ratio of palmitoyl hexapeptide-12, β-alanylhydroxyprolyl diaminobutyric acid benzylamine and hydrolyzed ginsenosides is (0.01-1):(2-6):(10-30).

3. The visualized multi-effect continuous phase bath oil as described in claim 1 or 2, characterized in that, The emulsifiers are lauryl ether-3, lauryl ether-4, PEG-20 glyceryl triisostearate, PEG-40 hydrogenated castor oil, and PPG-2 hydroxyethyl cocoamide; The mass ratio of lauryl ether-3, lauryl ether-4, PEG-20 glyceryl triisostearate, PEG-40 hydrogenated castor oil, and PPG-2 hydroxyethyl cocoamide is (1-10):(1-10):(1-5):(0.1-5):(0.1-2.5).

4. The visualized multi-effect continuous phase bath oil as described in claim 1 or 2, characterized in that, The oils are sunflower seed oil, castor seed oil, cetyl ethylhexanoate, and dioctyl carbonate; The mass ratio of sunflower seed oil, castor seed oil, cetyl ethylhexanoate and dioctyl carbonate is (4-8):(1-3):(1-3):(1-3).

5. The visualized multi-effect continuous phase bath oil as described in claim 1 or 2, characterized in that, The foaming agent is lauryl ether sulfate TIPA salt, sodium cocoyl glycinate and potassium cocoyl glycinate; The mass ratio of the foaming agent lauryl ether sulfate TIPA salt, sodium cocoyl glycinate, and potassium cocoyl glycinate is (15-35):(0.1-2):(0.1-2).

6. The visualized multi-effect continuous phase bath oil as described in claim 1 or 2, characterized in that, The antioxidants are butylated hydroxytoluene and benzotriazolyl dodecyl p-cresol; The mass ratio of butylated hydroxytoluene to benzotriazolyl dodecyl p-cresol is 1:(0.2-1).

7. The visualized multi-effect continuous phase bath oil as described in claim 1 or 2, characterized in that, The polyol is dipropylene glycol and propylene glycol; The mass ratio of dipropylene glycol to propylene glycol is 1:(0.1-3).

8. A method for preparing a visualized multi-effect continuous phase bath oil as described in any one of claims 1-7, characterized in that, The preparation method includes: The visualized multi-effect continuous phase bath oil is obtained by mixing and homogenizing oils, emulsifiers, foaming agents, antioxidants, active ingredients and polyols.

9. The preparation method according to claim 8, characterized in that, The preparation method includes: (1) Mixture A is obtained by heating and homogenizing oil, lauryl ether sulfate (TIPA) salt and antioxidant; (2) The emulsifier, polyol, sodium cocoyl glycinate and potassium cocoyl glycinate were heated and then mixed and homogenized to obtain mixture B; (3) Mixture A and mixture B are cooled and then mixed. After cooling, the active ingredients are added and the mixture is homogenized to obtain the visualized multi-effect continuous phase bath oil. Steps (1) and (2) are not in any particular order.

10. The preparation method according to claim 9, characterized in that, The step (1) involves heating to 80-100℃; Step (2) involves heating to 80-100℃; In step (3), mixtures A and B are cooled to 45-60℃ respectively; Step (3) involves continuing to cool down to 30-40℃.

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