A kind of moisturizing lip oil and preparation method thereof

Abstract

The present invention relates to the field of cosmetics technology, and more specifically, to a moisturizing lip oil and a preparation method thereof. The moisturizing lip oil comprises, by mass percentage, at least the following ingredients: 19-60% thickener, 0.1-0.4% antioxidant, 0.2-1% preservative, 0.1-0.4% skin conditioner, 2.5-5% suspending agent, 0.1-0.3% humectant, 0-2% colorant, and the remainder as emollient. The moisturizing lip oil prepared by the present invention has high gloss and moisturizing properties, and has a refreshing texture without a sticky feel. The lip oil system contains a suspended colorant and does not contain petrolatum, mineral oil, or waxy components. The lip oil has high adhesion to the lips and is long-lasting, maintaining a good condition of the lips for a long time.

Description

Technical Field

[0001] The present invention relates to the field of cosmetics technology, in particular to the field of IPC A61, and more specifically to a moisturizing lip oil and a preparation method thereof. Background Art

[0002] In autumn and winter, the low temperature accompanied by dry winds will quickly take away the moisture from the lips. Lips are a fragile mucosal structure. When the surface loses water, it will cause the lips to peel. In severe cases, it will lead to chapped lips, bleeding, and infection. Over time, it will cause lip wrinkles to worsen and affect the beauty of the lips. In order to protect the lips, people usually use lip care products in their daily lives, such as lip balm and lip oil. They can form a barrier on the surface of the lips to prevent environmental damage to the lips. Although the common lip oils are cheap, the user experience is poor. Most of them have a thick and sticky texture. When applied to the lips, they are very easy to stick to hair. At the same time, they are not moisturizing enough. After a period of use, they fall off the lips and the protection effect on the lips is poor.

[0003] CN105326671B discloses a natural nourishing and beautifying lip care oil. The lip care oil is made from natural plant oil ingredients and fat ingredients. It can not only care for the lips but also beautify the lips through the use of colorants. It has an excellent user experience. The lip care oil has a healthy formula, but the use of 5-10% wax ingredients in the formula can easily make the lip care oil slightly thick and sticky. Summary of the Invention

[0004] In order to solve the above problems, the first aspect of the present invention provides a moisturizing lip oil, which comprises, by weight percentage, 19-60% thickener, 0.1-0.4% antioxidant, 0.2-1% preservative, 0.1-0.4% skin conditioner, 2.5-5% suspending agent, 0.1-0.3% humectant, 0-2% colorant, and emollient to make up the balance.

[0005] Preferably, the emollient is at least one of diisostearyl malate, octyldodecanol, caprylic capric triglyceride, olive oil unsaponifiable matter, squalane, hydrogenated polyisobutene, sorbitol, mannitol, tridecyl trimellitate, and ethylhexyl palmitate.

[0006] Preferably, the emollient is a composition of diisostearyl malate, octyldodecanol, unsaponifiable matter of oleool, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate, and the mass ratio of the diisostearyl malate, octyldodecanol, unsaponifiable matter of oleool, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate is (5-20): (1-10): (0.1-0.4): (0.1-1): (22-40): (0-2): (0-2).

[0007] Preferably, the mass ratio of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate is 11:3.1:0.2:0.2:35:1.67:1.67.

[0008] Preferably, the thickener is at least one of organic bentonite, polybutene, a combination of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopherol acetate.

[0009] Preferably, the thickener is a mixture of a composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopherol acetate and polybutene, and the mass ratio of the composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopherol acetate to polybutene is (18-40): (1-20).

[0010] Preferably, the mass ratio of the composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopherol acetate to polybutene is 4:1.

[0011] The present application uses a composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopheryl acetate mixed with polybutene as a thickener to increase the viscosity of the system while increasing the dispersion of each raw material in the system, thereby forming a uniform and stable lip oil system. In particular, when the mass ratio of the composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopheryl acetate to polybutene is 4:1, the macromolecular polymer molecules of the composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopheryl acetate are stretched during the preparation process of high-temperature heating, so that the molecular chain structure is extended, so that the contact effect with other components in the system is better, the hydrodynamic volume of the lip oil is increased to hinder the flow of the lip oil, and the viscosity of the product is significantly improved. At the same time, it can play an auxiliary suspension role, assisting the hydrogenated polyisobutene to jointly stabilize the dimethyl silylated silica added in the system, so that the dimethyl silylated silica can be stably suspended in the lip oil to form a stable three-dimensional network structure system, thereby forming a transparent colloid. Furthermore, polybutene can form a tight, continuous covering film on the lip surface, which stabilizes the shape of the lip oil while preventing the loss of moisture from the lips, thereby enhancing the adhesion and moisturizing durability of the lip oil.

[0012] Preferably, the mass ratio of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopherol acetate in the composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopherol acetate is (80-83): (15-18): (0.05-0.1).

[0013] Preferably, the mass ratio of the hydrogenated polydecene, the hydrogenated styrene-isoprene copolymer, and the tocopherol acetate is 82.42:17.5:0.08.

[0014] Preferably, the mass ratio of the antioxidant to the preservative is (0.2-0.5):1.

[0015] Preferably, the mass ratio of the antioxidant to the preservative is 3:8.

[0016] Preferably, the antioxidant is at least one of p-hydroxyacetophenone, resveratrol, and tocopherol acetate.

[0017] Preferably, the antioxidant is tocopherol acetate.

[0018] Preferably, the preservative is at least one of glyceryl caprylate, paraben preservatives, and benzyl alcohol.

[0019] Preferably, the preservative is glyceryl caprylate.

[0020] Preferably, the suspending agent is at least one of silica dimethyl silylate, cetyl polydimethylsiloxane, and polydimethylsiloxane.

[0021] Preferably, the suspending agent is silica dimethyl silylate.

[0022] Preferably, the skin conditioning agent is at least one of bisabolol, amino acid, ceramide, and organic acid.

[0023] Preferably, the skin conditioning agent is bisabolol.

[0024] Preferably, the moisturizing agent is a composition of C10-18 fatty acid triglycerides, sodium hyaluronate, triolein, and glyceryl dioleate.

[0025] A second aspect of the present invention provides a method for preparing the moisturizing lip oil as described above, characterized in that the method comprises at least the following steps: S1 cleaning and disinfecting the production equipment used, and accurately weighing the components according to the formula; S2 mixing the components uniformly to obtain the moisturizing lip oil.

[0026] Preferably, the specific steps of S2 are:

[0027] (1) Mix the Phase B ingredients thoroughly, then grind them three times using a three-roll mill until a transparent, uniform gel is formed. This Phase B is then placed in a stainless steel barrel for later use.

[0028] (2) Accurately weigh the raw materials of phase A and add them to the melting pot in sequence. Set the temperature to 80-95°C until they are completely melted and transparent to obtain phase A. Add phase B to phase A and stir evenly. The dissolving stirring speed is 2-6 levels.

[0029] (3) Continue to add the C phase raw materials and stir until transparent and uniform. The stirring temperature is 80-85°C and the stirring speed is 15-25;

[0030] (4) The raw materials of phase D are thoroughly mixed and ground three times with a three-roll mill to form a uniform color paste, which is then added to the composition obtained in (4) and stirred evenly. The stirring temperature is 80-85°C and the stirring speed is 15-25 gears. The material is discharged into a stainless steel barrel to obtain the moisturizing lip oil.

[0031] The raw materials of phase A are diisostearyl malate, octyldodecanol, polybutene, tocopheryl acetate, glyceryl caprylate, olive oil unsaponifiables, bisabolol, and squalane;

[0032] Phase B raw materials are a combination of hydrogenated polyisobutene, silica dimethyl silylate, C10-18 fatty acid triglycerides, sodium hyaluronate, triolein, and glyceryl dioleate;

[0033] The raw material for phase C is a mixture of a composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopheryl acetate, and polybutene;

[0034] The raw materials for phase D are toner, tridecyl trimellitate, and ethylhexyl palmitate.

[0035] Beneficial effects:

[0036] 1. The present application provides a moisturizing lip oil. The prepared moisturizing lip oil has high gloss and moisturizing properties, and has a refreshing texture and no stickiness. The lip oil system can be suspended in colorants and does not contain petrolatum, mineral oil and waxy ingredients. It has high adhesion to the lips and high durability, which can keep the lips in good condition for a long time.

[0037] 2. This application uses diisostearyl malate as an emollient ingredient, which has a good lip moisturizing effect, can stably adhere to the lips, and increase the glossiness of the lip oil. At the same time, it can reduce the effect of the suspending agent dimethyl silylate on the moisturizing effect of the lip oil, thereby maintaining the moisturizing effect of the lip oil.

[0038] 3. This application uses unsaponifiable matter of olive (OLEA EUROPAEA) oil to improve the permeability and biological activity of active substances in the system. At the same time, it works together with the added bisabolol to supplement skin nutrients while exerting an anti-inflammatory effect to reduce tissue edema, relieve lip inflammation, and help the lip mucosa resist external damage.

[0039] 4. This application uses an antioxidant, tocopheryl acetate, and a preservative, glyceryl caprylate, in a mass ratio of 3:8 to replace traditional preservatives to exert a preservative and synergistic effect, without irritating the skin, preventing the oxidation of system components, and maintaining the freshness and stability of the product.

[0040] 5. The present application adopts a composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopheryl acetate in a mass ratio of 4:1 to polybutene, thereby increasing the viscosity of the system and increasing the suspension effect of silica dimethyl silylate in the system, thereby forming a stable three-dimensional network structure and improving the gloss of the lip oil. DETAILED DESCRIPTION

[0041] Example 1

[0042] Example 1 provides a moisturizing lip oil, the raw materials of which are, by weight percentage, 40% thickener, 0.3% antioxidant, 0.8% preservative, 0.2% skin conditioner, 4% suspending agent, 0.2% humectant, 1.66% colorant, and 52.84% emollient.

[0043] The emollient is a composition of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate, wherein the mass ratio of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate is 11:3.1:0.2:0.2:35:1.67:1.67.

[0044] Diisostearyl malate was obtained from The Nisshin OilliO Group, Ltd. under the trade name Cosmol 222; octyldodecanol was obtained from Evonik under the trade name SABODERM G20; unsaponifiable matter of olive (OLEA EUROPAEA) oil was obtained from RES PHARMAINDUSTRIALE Srl under the trade name PANTROFINA OLVINSAPONIFICABILEOLIODI OLIVE; squalane was obtained from Aprinnova, LLC under the trade name Neossance Squalane; hydrogenated polyisobutene was obtained from NOF CORPORATION under the trade name PARLEAM; tridecyl trimellitate was obtained from Shanghai Xinshou Auxiliary Co., Ltd. under the trade name XS-TDTM; and ethylhexyl palmitate was obtained from Wilmar Oil Technology (Lianyungang) Co., Ltd. under the trade name 2-ethylhexyl palmitate.

[0045] The thickener is a mixture of a composition of hydrogenated polydecene, a hydrogenated styrene-isoprene copolymer and tocopherol acetate and polybutene, and the mass ratio of the composition of hydrogenated polydecene, a hydrogenated styrene-isoprene copolymer and tocopherol acetate to polybutene is 4:1.

[0046] Polybutene was sourced from INEOS Oligomers Customer under the trade name INDOPOL H-300;

[0047] The mass ratio of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopheryl acetate in the composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopheryl acetate is 82.42:17.5:0.08. The composition is derived from Tudapetrol Kg and has the trade name PIONIER GEL 12 PAO.

[0048] The antioxidant was tocopheryl acetate, sourced from BASF SE and sold under the trade name Vitamin E Acetate 98%.

[0049] The preservative is glyceryl caprylate, which is sourced from INOLEX, Inc. and sold under the trade name Lexgard GMCY MB.

[0050] The suspending agent is silica dimethyl silylate, which is from Evonik and sold under the trade name AEROSIL R974.

[0051] The skin conditioning agent is bisabolol, sourced from Givaudan France SAS under the trade name BISABOLIFE.

[0052] The colorant is toner.

[0053] The moisturizer is a combination of C10-18 fatty acid triglycerides, sodium hyaluronate, triolein, and glyceryl dioleate. The combination is sourced from TS-Biotech and is marketed as Co-Olive Oil Hyaluronic Acid.

[0054] The method for preparing the moisturizing lip oil as described above is characterized in that it comprises the following steps:

[0055] S1 cleans and disinfects all production equipment, and accurately weighs each component according to the formula; S2 mixes each component evenly to obtain the moisturizing lip oil.

[0056] The specific steps of S2 are:

[0057] (1) Mix the Phase B ingredients thoroughly, then grind them three times using a three-roll mill until a transparent, uniform gel is formed. This Phase B is then placed in a stainless steel barrel for later use.

[0058] (2) Accurately weigh the raw materials of phase A and add them to the melting pot in sequence. Set the temperature to 80-95°C until they are completely melted and transparent to obtain phase A. Add phase B to phase A and stir evenly. The dissolving stirring speed is 2-6 levels.

[0059] (3) Continue to add the C phase raw materials and stir until transparent and uniform. The stirring temperature is 80-85°C and the stirring speed is 15-25;

[0060] (4) The raw materials of phase D are thoroughly mixed and ground three times with a three-roll mill to form a uniform color paste, which is then added to the composition obtained in (4) and stirred evenly. The stirring temperature is 80-85°C and the stirring speed is 15-25 gears. The material is discharged into a stainless steel barrel to obtain the moisturizing lip oil.

[0061] The raw materials of phase A are diisostearyl malate, octyldodecanol, polybutene, tocopheryl acetate, glyceryl caprylate, olive oil unsaponifiables, bisabolol, and squalane;

[0062] Phase B raw materials are a combination of hydrogenated polyisobutene, silica dimethyl silylate, C10-18 fatty acid triglycerides, sodium hyaluronate, triolein, and glyceryl dioleate;

[0063] The raw material for phase C is a mixture of a composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopheryl acetate, and polybutene;

[0064] The raw materials for phase D are toner, tridecyl trimellitate, and ethylhexyl palmitate.

[0065] Example 2

[0066] The specific implementation of Example 2 is different from that of Example 1 in that, in terms of mass percentage, the raw materials are: 50% thickener, 0.3% antioxidant, 0.8% preservative, 0.2% skin conditioner, 3% suspending agent, 0.2% moisturizer, 1.66% colorant, and 43.84% emollient.

[0067] The emollient is a composition of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate, wherein the mass ratio of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate is 7:8:0.2:0.3:25:1.67:1.67.

[0068] The thickener is a mixture of a composition of hydrogenated polydecene, a hydrogenated styrene-isoprene copolymer and tocopherol acetate and polybutene, and the mass ratio of the composition of hydrogenated polydecene, a hydrogenated styrene-isoprene copolymer and tocopherol acetate to polybutene is 3:2.

[0069] Example 3

[0070] The specific implementation of Example 3 is different from that of Example 1 in that, in terms of mass percentage, the raw materials are: 41% thickener, 0.3% antioxidant, 0.8% preservative, 0.3% skin conditioner, 3% suspending agent, 0.2% moisturizer, 1.66% colorant, and 52.74% emollient.

[0071] The emollient is a composition of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate, wherein the mass ratio of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate is 14:10:0.2:0.2:25:1.67:1.67.

[0072] The thickener is a mixture of a composition of hydrogenated polydecene, a hydrogenated styrene-isoprene copolymer and tocopheryl acetate and polybutene, and the mass ratio of the composition of hydrogenated polydecene, a hydrogenated styrene-isoprene copolymer and tocopheryl acetate to polybutene is 40:1.

[0073] Example 4

[0074] The specific implementation of Example 4 is different from that of Example 1 in that, in terms of mass percentage, the raw materials are: 35% thickener, 0.3% antioxidant, 0.8% preservative, 0.2% skin conditioner, 5% suspending agent, 0.2% moisturizer, 1.66% colorant, and 56.84% emollient.

[0075] The emollient is a composition of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate, wherein the mass ratio of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate is 8:5:0.2:0.3:40:1.67:1.67.

[0076] The thickener is a mixture of a composition of hydrogenated polydecene, a hydrogenated styrene-isoprene copolymer and tocopherol acetate and polybutene, and the mass ratio of the composition of hydrogenated polydecene, a hydrogenated styrene-isoprene copolymer and tocopherol acetate to polybutene is 6:1.

[0077] Comparative Example 1

[0078] The specific implementation of Comparative Example 1 is different from that of Example 1 in that, in terms of mass percentage, the raw materials are: 42% thickener, 0.3% antioxidant, 0.8% preservative, 0.2% skin conditioner, 4% suspending agent, 0.2% moisturizer, 1.66% colorant, and 50.84% ​​emollient.

[0079] The emollient is a composition of octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate, wherein the mass ratio of octyldodecanol, unsaponifiable matter of olive (OLEAEUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate is 10:0.1:0.2:37.2:1.67:1.67.

[0080] The thickener is a mixture of a composition of hydrogenated polydecene, a hydrogenated styrene-isoprene copolymer and tocopherol acetate and polybutene, and the mass ratio of the composition of hydrogenated polydecene, a hydrogenated styrene-isoprene copolymer and tocopherol acetate to polybutene is 3.2:1.

[0081] Comparative Example 2

[0082] The specific implementation of Comparative Example 2 is different from that of Example 1 in that, in terms of mass percentage, the raw materials are: 42% thickener, 0.3% antioxidant, 0.8% preservative, 0.3% skin conditioner, 2.9% suspending agent, 0.2% moisturizer, 1.66% colorant, and 51.84% emollient.

[0083] The emollient is a composition of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate, wherein the mass ratio of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate is 11:8:0.2:0.3:29:1.67:1.67.

[0084] The thickener is polybutene.

[0085] Comparative Example 3

[0086] The specific implementation of Comparative Example 3 is different from that of Example 1 in that, in terms of mass percentage, the raw materials are: 53.7% thickener, 0.3% antioxidant, 0.8% preservative, 0.2% skin conditioner, 2.19% suspending agent, 0.2% moisturizer, 1.66% colorant, and 40.95% emollient.

[0087] The emollient is a composition of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate, wherein the mass ratio of diisostearyl malate, octyldodecanol, unsaponifiable matter of olive (OLEA EUROPAEA) oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate is 8.41:7:0.2:0.1:21.9:1.67:1.67.

[0088] The thickener is a mixture of a composition of hydrogenated polydecene, a hydrogenated styrene-isoprene copolymer and tocopherol acetate and polybutene, and the mass ratio of the composition of hydrogenated polydecene, a hydrogenated styrene-isoprene copolymer and tocopherol acetate to polybutene is 18.7:35.

[0089] Performance testing:

[0090] 1. Sensory evaluation:

[0091] (1) Subjects: 14 volunteers aged between 20 and 50 years old with dry lips were selected as subjects.

[0092] (2) Test samples: 7 groups of test samples in total, including the moisturizing lip oils obtained in Examples 1-4 and Comparative Examples 1-3.

[0093] (3) Sensory Evaluation Method: Two people will conduct the use test for each test sample. Each person will apply each sample to the lips and score the following indicators (with a maximum score of 10). The scores will be summed up and the average score will be calculated. The higher the score, the better the evaluation of the indicator.

[0094] (4) Sensory evaluation results: The results are shown in Table 1.

[0095] Table 1 Sensory evaluation score sheet

[0096] Group Non-sticky feeling Glossiness Moisturizing Durability Total average score Example 1 9.5 9 9.2 9.3 9.25 Example 2 7.2 8.5 8.6 8.8 8.275 Example 3 7.8 9.2 9 8.1 8.525 Example 4 9.1 8.8 7.6 8 8.375 Comparative Example 1 8.5 6.1 5.8 7.5 6.975 Comparative Example 2 5.5 8.8 6.5 8.1 7.225 Comparative Example 3 7.7 8 7.1 5.6 7.1

[0097] 2. Stability test:

[0098] (1) Test samples: 7 groups of test samples in total, including the moisturizing lip oils obtained in Examples 1-4 and Comparative Examples 1-3.

[0099] (2) Test method: Place the test material in 30g PET bottles at 50℃ and -15℃ respectively, and observe the sample state after a period of time.

[0100] (3) Test results: See Table 2.

[0101] Stability test stratification standard: measured by the thickness of the precipitated oil layer, oil layer thickness <1mm is slight stratification; 3mm≥ oil layer thickness ≥1mm is obvious stratification; oil layer thickness >3mm is severe stratification.

[0102] Table 2 Stability test

[0103]

[0104] 3. Lip condition and lip sebum moisture test:

[0105] (1) Subjects: Seven volunteers aged between 20 and 50 years old with dry lips were selected as subjects.

[0106] (2) Test samples: 7 groups of test samples in total, including the moisturizing lip oils obtained in Examples 1-4 and Comparative Examples 1-3.

[0107] (3) Test method: Each person cleans and dries the skin on their arm, divides the arm into sections, uses a moisture meter to measure the pre-use data, and calculates the average value; applies the test sample to each section, and after 4 hours uses a moisture meter to measure the post-use data, and calculates the average value; each person applies each sample to the lips and observes the condition of the lips after use.

[0108] (4) Test results: See Table 3.

[0109] Table 3 Lip condition and lip sebum moisture test

[0110]

Claims

1. A moisturizing lip oil, characterized in that: Calculated by mass percentage, the raw materials include at least: 19-60% thickener, 0.1-0.4% antioxidant, 0.2-1% preservative, 0.1-0.4% skin conditioning agent, 2.5-5% suspending agent, 0.1-0.3% moisturizer, 0-2% colorant, emollient to make up the balance; The emollient is a composition of diisostearyl malate, octyldodecanol, unsaponifiable matter of oleic olive oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate, wherein the mass ratio of the diisostearyl malate, octyldodecanol, unsaponifiable matter of oleic olive oil, squalane, hydrogenated polyisobutene, tridecyl trimellitate, and ethylhexyl palmitate is 11:3.1:0.2:0.2:35:1.67:1.67; The thickener is a mixture of a composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopherol acetate and polybutene, and the mass ratio of the composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopherol acetate to polybutene is 4:1; and the suspending agent is silica dimethyl silylate.

2. The moisturizing lip oil according to claim 1, characterized in that The mass ratio of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopherol acetate in the composition of hydrogenated polydecene, hydrogenated styrene-isoprene copolymer and tocopherol acetate is (80-83): (15-18): (0.05-0.1).

3. The moisturizing lip oil according to claim 1, characterized in that The mass ratio of the antioxidant to the preservative is (0.2-0.5):

1.

4. The moisturizing lip oil according to claim 1, characterized in that The antioxidant is at least one of p-hydroxyacetophenone, resveratrol, and tocopherol acetate.

5. The moisturizing lip oil according to claim 1, characterized in that The skin conditioning agent is at least one of bisabolol, amino acid, ceramide, and organic acid.

6. A method for preparing the moisturizing lip oil according to any one of claims 1 to 5, characterized in that: At least the following steps are included: S1: Clean and disinfect all production equipment, and accurately weigh all components according to the formula; S2: Mix all components evenly to obtain the moisturizing lip oil.

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