Body lotion

Abstract

The invention discloses a body lotion which comprises a traditional Chinese medicine compound extracting solution, a water phase, an oil phase, an emulsifying agent and purified water, the traditional Chinese medicine compound extracting solution is prepared from radix astragali, rhizoma atractylodis macrocephalae, radix ophiopogonis, radix polygonati officinalis, radix codonopsis, Chinese yam, tuber fleeceflower stem, cortex albiziae and liquorice, through the compatibility, people with poor tonification can be tonified, and people with external loss can be protected; and the change from'temporary relieving of dry itching symptoms' to'recovery of body surface regulation and defense capability 'is realized, so that the skin gradually recovers a moist, stable and comfortable state.

Description

Technical Field

[0001] This invention belongs to the field of cosmetics, specifically relating to a moisturizing lotion and its preparation method. Background Technology

[0002] Xerosis, or dry skin, is a skin condition characterized by dryness, scaling, and itching. It commonly affects the extensor surfaces of the lower legs and tends to worsen in winter and dry environments. Common causes include aging, environmental factors, and the use of alkaline detergents. Clinical manifestations include ichthyosis (fish-scale-like changes) and skin cracking, with symptoms exhibiting seasonal fluctuations. The root cause of dry, flaky skin lies in a damaged skin barrier and moisture loss. With advancements in technology, numerous repair creams have emerged to address this issue, but careful selection is still necessary. While ointments like petroleum jelly slow down moisture loss through occlusion, they do not fundamentally improve dry skin. Basic moisturizing ointments, such as petroleum jelly, slow moisture loss by forming a occlusive film, but this alone is insufficient for a complete improvement. Creams containing ceramides are highly effective in reducing moisture loss and strengthening the skin barrier, but often produce side effects. Traditional Chinese medicine cosmetics offer advantages in treating pruritus, including holistic conditioning, fewer side effects, personalized treatment, improved quality of life, and prevention of recurrence. Summary of the Invention

[0003] The purpose of this invention is to provide a moisturizing lotion and its preparation method.

[0004] The objective of this invention is achieved through the following technical solution:

[0005] A moisturizing lotion comprising a compound extract of traditional Chinese medicine, an aqueous phase, an oil phase, an emulsifier, and purified water, wherein the compound extract of traditional Chinese medicine is prepared from Astragalus membranaceus, Atractylodes macrocephala, Ophiopogon japonicus, Polygonatum odoratum, Codonopsis pilosula, Dioscorea opposita, Polygonum multiflorum, Albizia julibrissin, and Glycyrrhiza uralensis.

[0006] The moisturizing lotion is prepared from the following Chinese herbal compound extracts in parts by weight: Astragalus membranaceus 10-20 parts, Atractylodes macrocephala 8-12 parts, Ophiopogon japonicus 5-10 parts, Polygonatum odoratum 10-20 parts, Codonopsis pilosula 8-12 parts, Dioscorea opposita 10-20 parts, Polygonum multiflorum 5-10 parts, Albizia julibrissin bark 8-12 parts, and Glycyrrhiza uralensis 3-5 parts.

[0007] The moisturizing lotion is preferably prepared from the following Chinese herbal compound extracts in parts by weight: Astragalus membranaceus 15 parts, Atractylodes macrocephala 10 parts, Ophiopogon japonicus 7 parts, Polygonatum odoratum 15 parts, Codonopsis pilosula 10 parts, Dioscorea opposita 15 parts, Polygonum multiflorum 8 parts, Albizia julibrissin 10 parts, and Glycyrrhiza uralensis 4 parts.

[0008] The moisturizing lotion comprises, in its aqueous phase, the following ingredients in parts by weight: 5-15 parts glycerin, 3-10 parts butylene glycol, and 0.05-0.5 parts sodium hyaluronate; in its oil phase, the following ingredients in parts by weight: 2-4 parts paraffin oil, 0.2-0.4 parts petrolatum, and 1-3 parts stearic acid; and in its emulsifier, the following ingredients in parts by weight: 4-6 parts cetearyl alcohol polyether-25.

[0009] The preparation method of the herbal compound extract for the skin lotion is as follows: weigh the above-mentioned Chinese herbal medicine pieces according to the proportion, pulverize them to 20-40 mesh, add 8-12 times the weight of purified water, soak for 1-2 hours, extract twice with water at 80-95℃, each time for 1-2 hours, combine the extracts, filter, and concentrate under reduced pressure to a relative density of 1.05-1.15 at 60℃.

[0010] The preparation method of the moisturizing lotion includes the following steps:

[0011] (1) Add glycerin, butylene glycol, and sodium hyaluronate to purified water and stir to dissolve;

[0012] (2) Add the compound extract of traditional Chinese medicine, stir at low speed, and prepare an aqueous phase;

[0013] (3) Paraffin oil, petrolatum, and stearic acid are heated to 65-75℃ to prepare an oil phase;

[0014] (4) Slowly add the oil phase to the aqueous phase and emulsify homogenously;

[0015] (5) Cool to below 40°C and add the anti-corrosion system;

[0016] (6) Add purified water to 100 parts, adjust pH to 5.5-6.5, and obtain the finished product.

[0017] The moisturizing lotion is used in the preparation of cosmetics that improve symptoms of dry and itchy skin.

[0018] Most existing moisturizing products primarily use physical moisturizers such as glycerin, petrolatum, and silicone oil. While they can provide short-term relief from dry skin, they lack the ability to regulate the skin's internal conditions, such as imbalances in the body's defenses, weakened pores, leakage of body fluids, insufficient nourishment of qi and blood, and deficiency of body fluids. This often leads to problems like "rebound after discontinuation" and "insufficient barrier repair." Traditional Chinese medicine believes that dry and itchy skin is not simply caused by insufficient body fluids or blood deficiency, but is closely related to imbalances in the body's surface regulation, such as imbalances in the body's defenses, weakened pores, and leakage of body fluids. As stated in the *Huangdi Neijing* (Yellow Emperor's Inner Classic), "The body's defenses circulate within the vessels, while the body's protective defenses circulate outside the vessels." The body's defenses nourish the skin and protect against pathogens. When these two functions are in harmony, the skin and hair are nourished and the pores are tight. If the circulation of the body's defenses is disordered, or if the protective defenses are weak, the opening and closing of the skin's surface will be disrupted, and body fluids will easily leak out through the pores. At this time, even if there is no obvious deficiency of body fluids, the skin may remain dry and tight due to "lack of external protection," and the skin may react more strongly to external stimuli.

[0019] From the perspective of visceral differentiation, the concept of "the lungs governing the skin and hair" is a crucial entry point for understanding this syndrome. When lung qi is dispersed and descends properly, body fluids are distributed to the skin surface and work with defensive qi to protect the skin. If lung qi is not dispersed or lung yin is insufficient, the skin and hair will lack nourishment, and the defensive qi will be impaired, easily leading to dry skin and decreased tolerance. Simultaneously, the spleen is the foundation of acquired constitution, responsible for transporting and transforming food and water, generating qi, blood, and body fluids. If the spleen is not functioning properly, the generation and distribution of body fluids will be insufficient, and the yin and yang will lack their proper nourishment, further weakening the skin's ability to nourish and protect. Therefore, dry and itchy skin is not a single organ dysfunction, but a comprehensive reflection of imbalances in lung and spleen function at the body surface level.

[0020] Regarding the occurrence of itching, the classic Chinese medicine text *Huangdi Neijing* states that "all pain, itching, and sores belong to the heart." The essence of this theory is not that itching must be treated directly with heart-clearing and heart-nourishing remedies, but rather that it reveals the close relationship between the abnormal sensations of pain and itching and the heart's function of regulating blood circulation and mental perception. The heart governs blood circulation; when blood circulation is smooth, nourishment is orderly and the skin is properly nourished. The heart governs the mind; when the mind is stable, the body's perception and response to external stimuli are in a relatively stable state.

[0021] When the body's vital energy (ying and wei) is in harmony and the skin is tightly closed, external stimuli such as wind, dryness, temperature changes, or mechanical friction are unlikely to cause significant discomfort. However, when the vital energy and wei are out of balance and the body's defenses are weakened, the skin's ability to be nourished and defended decreases, making it easier for stimuli to be transmitted and amplified through the collaterals, manifesting as discomfort such as itching, tightness, or stinging. This type of itching is not caused by an excess of pathogenic factors, but rather by a decrease in the body's surface regulation ability and a lowered threshold for stimulation. Its essence lies in "lack of external protection and susceptibility to disturbance."

[0022] From the perspective of the Six Channels theory, dry skin often manifests externally as Yangming dryness. The *Shanghan Lun* (Treatise on Cold Damage) discusses "loss of body fluids" and "dryness in the stomach," suggesting that when body fluids are damaged, dryness may first appear on the skin surface. However, its underlying cause often involves insufficient Yin fluid regulation in the Shaoyin channel, accompanied by weakness in the Taiyin channel and dysfunction of the Shaoyang channel. If the Shaoyin channel is deficient in Yin fluid, its nourishing and restraining functions decline, making dryness prone to recurrence; if the Taiyin channel is impaired, the Ying and Wei Qi (nutritive and defensive Qi) are insufficient; if the Shaoyang channel is dysfunctional, the distribution of body fluids is obstructed. Therefore, this syndrome is not a single channel syndrome, but a complex state of "Yangming as the manifestation, Shaoyin as the root, and also involving Taiyin and Shaoyang." The key lies not in internal heat or excessive blood, but in the lack of protection of the body surface and the leakage of body fluids.

[0023] Based on a comprehensive understanding of the differentiation of syndromes according to the Zang-Fu organs and the Six Channels theory, this invention is grounded in the TCM approach of external treatment and conditioning. It posits that Ying (nutritive qi) nourishes the skin, while Wei (defensive qi) protects the exterior from pathogens. When Ying and Wei are in harmony, the skin and hair are moist and the pores are tight. Conversely, when Ying and Wei are imbalanced and Wei is weak, the opening and closing of the skin surface becomes disordered, and body fluids easily leak out through the pores. Even without significant deficiency of body fluids, this can manifest as persistent dryness and tightness of the skin, along with increased responsiveness to external stimuli. This invention does not follow the simple approach of dispelling wind and relieving itching or clearing heat and nourishing blood in its prescription design. Instead, it focuses on harmonizing Ying and Wei, strengthening the pores, reducing fluid leakage, and improving the skin's tolerance. Therefore, theoretically, this invention does not use the "heart" as a direct drug target. Instead, it follows the holistic regulatory principle that "the heart governs blood vessels and the mind," indirectly improving itching caused by imbalances in sensory regulation by harmonizing Ying and Wei, strengthening the pores, and stabilizing the skin's surface network response. This approach emphasizes restoring the body's homeostasis and tolerance, making external stimuli less likely to be over-perceived or amplified, thereby alleviating itching and discomfort. Based on this, the medications selected in the prescription primarily aim to invigorate Qi and strengthen the exterior, regulate the body's defenses, nourish the skin surface, and calm and soothe the nerves, synergistically regulating the sensitivity and reaction threshold of the skin surface, rather than directly acting on the heart itself through methods such as clearing heat or nourishing blood. This aligns with the application characteristics of externally treated, conditioning, and moisturizing skin preparations.

[0024] The formula uses Astragalus membranaceus and Atractylodes macrocephala as the chief herbs, leveraging their qi-tonifying, surface-strengthening, and blood-regulating protective functions to strengthen the body's defenses and tighten the pores, fundamentally reducing the leakage of body fluids. It is combined with Ophiopogon japonicus and Polygonatum odoratum to address the dryness of the Yangming meridian and the deficiency of Yin fluids in the Shaoyin meridian, nourishing Yin and generating fluids to moisturize the skin without causing greasiness. Since the Taiyin meridian is the source of body fluid production, Codonopsis pilosula and Dioscorea opposita are used to strengthen the spleen and aid digestion, both generating and distributing fluids. In this invention, Ophiopogon japonicus, Polygonatum odoratum, Codonopsis pilosula, and Dioscorea opposita serve as the assistant herbs. Polygonum multiflorum and Albizia julibrissin are used as adjuvant herbs, their mild nature and ability to penetrate the collaterals are crucial for calming the collaterals, stabilizing skin reactions, and preventing excessive reactions to mild stimuli due to lack of skin protection. Finally, Glycyrrhiza uralensis is used as the guiding herb to harmonize the other herbs, moderate their properties, and improve the skin's tolerance and long-term safety. The formula contains Astragalus membranaceus, Atractylodes macrocephala, Ophiopogon japonicus, Polygonatum odoratum, Codonopsis pilosula, Dioscorea opposita, Polygonum multiflorum, Albizia julibrissin, and Glycyrrhiza uralensis. Its treatment principles include: 1. Tonifying Qi and strengthening the exterior, regulating Ying and protecting the body; 2. Nourishing Yin and generating fluids, moisturizing the skin surface; 3. Strengthening the spleen and promoting digestion, both generating and distributing fluids; 4. Calming the meridians and relieving disturbances, stabilizing the skin surface; 5. Harmonizing the various herbs and moderating their properties. Through the above-mentioned formulation, this invention replenishes deficiencies and protects against external damage, achieving a shift from simply "temporarily relieving dryness and itching symptoms" to "restoring the body's surface regulation and defense capabilities," thereby gradually restoring the skin to a moist, stable, and comfortable state. Attached Figure Description

[0025] Figure 1 The moisturizing effect of the lotion of this invention;

[0026] Figure 2The effect of this invention on the pruritus response induced by histamine phosphate (x±s, n=20). Detailed Implementation

[0028] The present invention will be described in detail below with reference to embodiments:

[0029] Example 1:

[0030] 1. Prepare the following Chinese herbal medicine slices: Astragalus membranaceus 15 parts, Atractylodes macrocephala 10 parts, Ophiopogon japonicus 7 parts, Polygonatum odoratum 15 parts, Codonopsis pilosula 10 parts, Dioscorea opposita 15 parts, Polygonum multiflorum 8 parts, Albizia julibrissin bark 10 parts, Glycyrrhiza uralen

[0031] 2. Prepare the following excipients: 10 parts glycerin, 7 parts butylene glycol, and 0.25 parts sodium hyaluronate; the oil phase consists of the following raw materials in parts by weight: 3 parts paraffin oil, 0.3 parts petrolatum, and 3 parts stearic acid; the emulsifier consists of the following raw materials in parts by weight: 5 parts cetearyl alcohol polyether-25.

[0032] 3. The preparation method of the compound extract of traditional Chinese medicine is as follows: Weigh the above-mentioned Chinese medicine slices according to the proportion, crush them to 30 mesh, add 10 times the weight of purified water, soak for 1.5 hours, extract twice at 90℃ for 1.5 hours each time, combine the extracts, filter, and concentrate under reduced pressure until the relative density is 1.10 at 60℃.

[0033] 4. Moisturizing lotion, the preparation method includes the following steps:

[0034] (1) Add glycerin, butylene glycol, and sodium hyaluronate to purified water and stir to dissolve;

[0035] (2) Add the compound extract of traditional Chinese medicine, stir at low speed, and prepare an aqueous phase;

[0036] (3) Paraffin oil, petrolatum, and stearic acid are heated to 70°C to prepare an oil phase;

[0037] (4) Slowly add the oil phase to the aqueous phase and emulsify homogenously;

[0038] (5) Cool to below 40°C and add the anti-corrosion system;

[0039] (6) Add purified water to 100 parts, adjust pH to 6.0, and obtain the finished product.

[0040] Example 2:

[0041] 1. Prepare the following Chinese herbal medicine slices: Astragalus membranaceus 10 parts, Atractylodes macrocephala 12 parts, Ophiopogon japonicus 5 parts, Polygonatum odoratum 20 parts, Codonopsis pilosula 8 parts, Dioscorea opposita 20 parts, Polygonum multiflorum 5 parts, Albizia julibrissin bark 12 parts, Glycyrrhiza uralensis

[0042] 2. Prepare the following excipients: 15 parts glycerin, 3 parts butylene glycol, and 0.5 parts sodium hyaluronate; the oil phase consists of the following raw materials in parts by weight: 2 parts paraffin oil, 0.4 parts petrolatum, and 1 part stearic acid; the emulsifier consists of the following raw materials in parts by weight: 6 parts cetearyl alcohol polyether-25.

[0043] 3. The preparation method of the compound extract of traditional Chinese medicine is as follows: Weigh the above-mentioned Chinese medicine slices according to the proportion, crush them to 20 mesh, add 12 times the weight of purified water, soak for 1 hour, extract twice at 95℃ for 1 hour each time, combine the extracts, filter, and concentrate under reduced pressure until the relative density is 1.15 at 60℃.

[0044] 4. Moisturizing lotion, the preparation method includes the following steps:

[0045] (1) Add glycerin, butylene glycol, and sodium hyaluronate to purified water and stir to dissolve;

[0046] (2) Add the compound extract of traditional Chinese medicine, stir at low speed, and prepare an aqueous phase;

[0047] (3) Paraffin oil, petrolatum, and stearic acid are heated to 65°C to prepare an oil phase;

[0048] (4) Slowly add the oil phase to the aqueous phase and emulsify homogenously;

[0049] (5) Cool to below 40°C and add the anti-corrosion system;

[0050] (6) Add purified water to 100 parts, adjust pH to 6.5, and obtain the finished product.

[0051] Example 3:

[0052] 1. Prepare the following Chinese herbal medicine slices: Astragalus membranaceus 20 parts, Atractylodes macrocephala 8 parts, Ophiopogon japonicus 10 parts, Polygonatum odoratum 10 parts, Codonopsis pilosula 12 parts, Dioscorea opposita 10 parts, Polygonum multiflorum 10 parts, Albizia julibrissin bark 8 parts, Glycyrrhiza uralen

[0053] 2. Prepare the following excipients: 5 parts glycerin, 10 parts butylene glycol, and 0.05 parts sodium hyaluronate; the oil phase consists of the following raw materials in parts by weight: 4 parts paraffin oil, 0.2 parts petrolatum, and 3 parts stearic acid; the emulsifier consists of the following raw materials in parts by weight: 4 parts cetearyl alcohol polyether-25.

[0054] 3. The preparation method of the compound extract of traditional Chinese medicine is as follows: Weigh the above-mentioned Chinese medicine slices according to the proportion, crush them to 40 mesh, add 8 times the weight of purified water, soak for 2 hours, extract twice at 80℃ for 2 hours each time, combine the extracts, filter, and concentrate under reduced pressure until the relative density is 1.05 at 60℃.

[0055] 4. Moisturizing lotion, the preparation method includes the following steps:

[0056] (1) Add glycerin, butylene glycol, and sodium hyaluronate to purified water and stir to dissolve;

[0057] (2) Add the compound extract of traditional Chinese medicine, stir at low speed, and prepare an aqueous phase;

[0058] (3) Paraffin oil, petrolatum, and stearic acid are heated to 75°C to prepare an oil phase;

[0059] (4) Slowly add the oil phase to the aqueous phase and emulsify homogenously;

[0060] (5) Cool to below 40°C and add the anti-corrosion system;

[0061] (6) Add purified water to 100 parts, adjust pH to 5.5, and obtain the finished product.

[0062] Comparative Example 1:

[0063] 1. Prepare the excipients: 10 parts glycerin, 7 parts butylene glycol, 0.25 parts sodium hyaluronate; the oil phase is composed of the following raw materials in parts by weight: 3 parts paraffin oil, 0.3 parts petrolatum, 3 parts stearic acid; the emulsifier is composed of the following raw materials in parts by weight: 5 parts cetearyl alcohol polyether-25.

[0064] 2. Moisturizing lotion, the preparation method includes the following steps:

[0065] (1) Add glycerol, butanediol and sodium hyaluronate to purified water, stir to dissolve, and prepare an aqueous phase;

[0066] (2) Paraffin oil, petrolatum, and stearic acid are heated to 70°C to prepare an oil phase;

[0067] (3) Slowly add the oil phase to the aqueous phase and emulsify homogenously;

[0068] (4) Cool to below 40°C and add the anti-corrosion system;

[0069] (5) Add purified water to 100 parts, adjust pH to 6.0, and obtain the finished product.

[0070] Example 5: Evaluation of moisturizing ability

[0071] Moisture absorption rate determination: Weigh the sample, which needs to be dried to a constant mass, denoted as M0. In a desiccator, under the same room temperature conditions, adjust the humidity in the desiccator to 75%, 60%, and 45% respectively, and allow it to stand for 12 hours, 24 hours, and 48 hours. The resulting mass is denoted as M. Then, under the same environmental conditions, continue the test three more times, and select the average value. Finally, use pure water as the blank group. Moisture absorption rate (%) = (M - M0) / M0 × 100%.

[0072] Table 1. Moisture-absorbing properties of the lotion of this invention

[0073]

[0074] Compared with Comparative Example 1 * P<0.05, ** P<0.01

[0075] Table 1 shows that, under relative humidity conditions of 45%, 60%, and 75%, the moisture absorption capacity of both the lotion of the present invention and the matrix group of Comparative Example 1 gradually increased over time. Simultaneously, under relative humidity conditions of 45%, 60%, and 75%, the moisture absorption effect of the lotion of the present invention was also superior to that of the matrix group of Comparative Example 1. This indicates that the lotion of the present invention has good moisture absorption performance, and that the herbal extract and the matrix have a synergistic effect.

[0076] Example 6: The effect of the present invention on the pruritus response induced by histamine phosphate

[0077] Grouping: Sixty healthy guinea pigs, both male and female, were randomly divided into three groups of 20 each: the first group of this invention, the control group (the blank matrix group), and the positive control drug group (calcipotriol ointment).

[0078] Modeling and drug administration: One day prior to the experiment, the fur on the back of the right hind foot of guinea pigs in each experimental group was shaved, and the medication was then applied once to the shaved area. On the day of the experiment, the shaved area on the back of the right hind foot, approximately 1 cm², was abraded with coarse sandpaper. 2 The medication was applied topically once more, with approximately 0.15g of medication applied to each guinea pig each time. Ten minutes after the last application, 0.05mL of 0.01% histamine phosphate was instilled into the wound on the right hind paw of each guinea pig. Subsequently, the concentration was increased by 0.05mL per guinea pig every 3 minutes, from 0.01% to 0.02%, 0.03%, 0.04%, and so on, until the guinea pig turned back to lick its right hind paw. The total amount of histamine phosphate (μg) administered at the point where the guinea pig turned back to lick its right hind paw was defined as the pruritus threshold. The antipruritic effect of the test drug was evaluated based on the pruritus threshold of each group of guinea pigs.

[0079] Table 2. Effect of the present invention on histamine phosphate pruritus response (x±s, n=20)

[0080]

[0081] Compared with the blank matrix group * P<0.05, ** P<0.01

[0082] Table 2 shows that, after two consecutive days of application to the right hind paw of guinea pigs, the group in Example 1 of this invention significantly increased the pruritus threshold of histamine phosphate-induced pruritus response in guinea pigs, showing a highly significant difference compared to the blank matrix group (P<0.01), and the effect was close to that of the positive control group. This indicates that the present invention has a significant antipruritic effect on local skin itching.

[0083] It should be noted that the above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A moisturizing lotion, characterized in that, The product comprises a compound extract of traditional Chinese medicine, an aqueous phase, an oil phase, an emulsifier, and purified water. The compound extract of traditional Chinese medicine is prepared from Astragalus membranaceus, Atractylodes macrocephala, Ophiopogon japonicus, Polygonatum odoratum, Codonopsis pilosula, Dioscorea opposita, Polygonum multiflorum, Albizia julibrissin bark, and Glycyrrhiza uralensis.

2. The moisturizing lotion as described in claim 1, characterized in that, The compound extract of traditional Chinese medicine is prepared by extracting the following parts by weight of Chinese medicinal herbs: Astragalus membranaceus 10-20 parts, Atractylodes macrocephala 8-12 parts, Ophiopogon japonicus 5-10 parts, Polygonatum odoratum 10-20 parts, Codonopsis pilosula 8-12 parts, Dioscorea opposita 10-20 parts, Polygonum multiflorum 5-10 parts, Albizia julibrissin bark 8-12 parts, and Glycyrrhiza uralensis 3-5 parts.

3. The moisturizing lotion as described in claim 2, characterized in that, The compound extract of traditional Chinese medicine is prepared by extracting the following parts by weight of Chinese medicinal herbs: Astragalus membranaceus 15 parts, Atractylodes macrocephala 10 parts, Ophiopogon japonicus 7 parts, Polygonatum odoratum 15 parts, Codonopsis pilosula 10 parts, Dioscorea opposita 15 parts, Polygonum multiflorum 8 parts, Albizia julibrissin bark 10 parts, and Glycyrrhiza uralensis 4 parts.

4. The moisturizing lotion as described in claim 1, characterized in that, The aqueous phase consists of the following raw materials in parts by weight: 5-15 parts glycerin, 3-10 parts butylene glycol, and 0.05-0.5 parts sodium hyaluronate; the oil phase consists of the following raw materials in parts by weight: 2-4 parts paraffin oil, 0.2-0.4 parts petrolatum, and 1-3 parts stearic acid; the emulsifier consists of the following raw materials in parts by weight: 4-6 parts cetearyl alcohol polyether-25.

5. The moisturizing lotion as described in claim 1, characterized in that, The preparation method of the compound extract of traditional Chinese medicine is as follows: weigh the above-mentioned Chinese medicine slices according to the proportion, pulverize them to 20-40 mesh, add 8-12 times the weight of purified water, soak for 1-2 hours, extract twice with water at 80-95℃, each time for 1-2 hours, combine the extracts, filter, and concentrate under reduced pressure to a relative density of 1.05-1.15 at 60℃.

6. The moisturizing lotion as described in claim 4, characterized in that, The preparation method includes the following steps: (1) Add glycerin, butylene glycol, and sodium hyaluronate to purified water and stir to dissolve; (2) Add the compound extract of traditional Chinese medicine, stir at low speed, and prepare an aqueous phase; (3) Paraffin oil, petrolatum, and stearic acid are heated to 65-75℃ to prepare an oil phase; (4) Slowly add the oil phase to the aqueous phase and emulsify homogenously; (5) Cool to below 40°C and add the anti-corrosion system; (6) Add purified water to 100 parts, adjust pH to 5.5-6.5, and obtain the finished product.

7. The use of the moisturizing lotion as described in claim 1 in the preparation of cosmetics that improve symptoms of dry and itchy skin.

Images