KR-20260064778-A - Cream composition for relieving skin itching

Abstract

The present invention provides a cream composition for improving skin itching comprising 100 parts by weight of purified water; 40 to 60 parts by weight of sword bean extract; 35 to 45 parts by weight of Lithospermum erythrorhizon extract; 25 to 35 parts by weight of Lithospermum erythrorhizon infused; and 5 to 15 parts by weight of D-panthenol. The cream composition can act on itchy skin to restore skin barrier function and alleviate skin itching.

Inventors

• 김지용

Assignees

• 농업회사법인 주식회사 그린로드

Dates

Publication Date

20260508

Application Date

20241029

Claims (7)

1. 100 parts by weight of purified water; 40 to 60 parts by weight of sword bean extract; 35 to 45 parts by weight of Lithospermum erythrorhizon extract; 25 to 35 parts by weight of Lithospermum erythrorhizon infused; and Comprising 5 to 15 parts by weight of D-panthenol, Cream composition for improving skin itching.
2. In paragraph 1, 25 to 35 parts by weight of glycerin; 50 to 60 parts by weight of olive oil; 5 to 20 parts by weight of aloe vera gel; 80 to 120 parts by weight of emulsifying wax; 1.0 to 5 parts by weight of Vitamin E; 5 to 15 parts by weight of 1,2-hexanediol; 0.5 to 1.5 parts by weight of lavender essential oil; 0.3 to 1.0 parts by weight of rose geranium essential oil; and A cream composition for improving skin itching, characterized by further comprising at least one ingredient selected from the group consisting of 0.1 to 0.5 parts by weight of ylang-ylang essential oil.
3. In paragraph 1, A cream composition for improving skin itching, characterized in that the above-mentioned sword bean extract is a hot water extract of sword bean.
4. In paragraph 3, A cream composition for improving skin itching, characterized in that the above-mentioned hot water extract of sword bean is an extract obtained by pulverizing sword bean and extracting it with hot water.
5. In paragraph 3, A cream composition for improving skin itching, characterized in that the above-mentioned hot water extract of sword bean is a hot water extract obtained by hot water extraction of powder obtained after roasting sword beans.
6. In paragraph 3, A cream composition for improving skin itching, characterized in that the above hot water extract is a hot water extract obtained from hot water containing citric acid.
7. In paragraph 1, A cream composition for improving skin itching, characterized in that the above-mentioned sword bean extract is a powder-form extract obtained by hot-water extraction of sword beans, followed by concentration and freeze-drying.

Description

Cream composition for relieving skin itching The present invention relates to a manufacturing technology for a cream formulation for the skin, and more specifically, to a manufacturing technology for a cream composition that can help improve skin itching by restoring skin barrier function. The skin plays a role in protecting the body from external stimuli and adapting it to changes in the surroundings. Major functions of the skin include protection, thermoregulation, sensation, secretion, excretion, vitamin D synthesis, facial expression, regeneration, and immune function. The skin is composed of the epidermis, dermis, and subcutaneous fat layer, while skin appendages include sweat glands, sebaceous glands, hair, and fingernails. The average skin surface area of an adult is 1.6 m² , and its weight accounts for 16% of body weight; it is the largest organ in the human body and possesses highly complex structural, functional, anatomical, and physiological functions. Furthermore, it is a representative organ that exhibits immune responses while performing the essential barrier function of retaining body fluids and protecting against the internal invasion of external invading agents (antigens, infectious agents, etc.). The most important role of the skin barrier, which is the stratum corneum of the epidermis, is to safely protect our body, which is composed of about 80% water, from the dry external environment, and this barrier function is generated and maintained in the epidermis, the outermost layer of the skin. The epidermal layer, including the skin barrier, is the most dynamic organ among the tissues of the human body, and it maintains epidermal homeostasis through the ceaseless repetition of the processes of formation, differentiation, and shedding of epidermal cells. Dry skin is caused by changes in the composition of epidermal lipids and increased transepidermal water loss. As the skin barrier function of the stratum corneum deteriorates—including a reduced ability to defend against the absorption of harmful substances—it is prone to accompanying symptoms such as flaking, cracking, itching, and oozing. The use of a mixed moisturizer containing physiological skin lipids, formulated with an appropriate composition of ceramides, cholesterol, and fatty acids, is fundamental in the treatment of itching because it softens the stratum corneum and restores skin barrier function, thereby alleviating itching. The jack bean is an annual vine plant belonging to the legume family and is mainly cultivated in tropical climate regions. It is called "Jakdu-kong" or "Dodu" because its pods resemble a jakdu or a knife. Jack beans are rich in various nutrients such as protein, fiber, carbohydrates, fats, minerals, and vitamins, and are known to be effective against inflammatory diseases such as the common cold, rhinitis, gastritis, gastric ulcers, and enteritis. They are also known to have various benefits, including boosting immunity, improving blood circulation, preventing aging, improving intestinal health, alleviating cold extremities, promoting bone health, and exhibiting anticancer effects. Exploring new uses for the sword bean in addition to its known diverse functionalities is meaningful, and research on its utilization must continue. Figure 1 is a photograph showing the transparent measuring tape used in the test. Figure 2 is a photograph showing the measurement area of the subject. Figure 3 is a diagram illustrating the VAS evaluation indicators. Figure 4 is a photograph illustrating the areas measured by the device and evaluated by experts. Figure 5 is a graph showing the results of the evaluation of the degree of improvement in skin itching before and after the use of the test product. Figure 6 is a graph showing the results of the evaluation of the degree of maximum skin itching improvement before and after the use of the test product. Figure 7 is a graph showing the measurement results of transepidermal water loss before and after product use. Figure 8 is a graph showing the results of measuring skin moisture content before and after product use. Hereinafter, a cream composition for improving skin itching according to an embodiment of the present invention will be described in detail with reference to the attached drawings and various tests. However, the following descriptions are exemplary descriptions intended to embody and explain the technical concept of the present invention, and the technical concept of the present invention is not limited by the following descriptions. The technical concept of the present invention can only be interpreted and limited by the claims set forth below. A cream composition for improving skin itching according to the present invention comprises 100 parts by weight of purified water; 40 to 60 parts by weight of sword bean extract; 35 to 45 parts by weight of Lithospermum extract; 25 to 35 parts by weight of Lithospermum infused; and 5 to 15 parts by weight of D-panthenol. As fo