Moisture locking and moisturizing composition with mousse texture
A composition and texture technology, used in skin care preparations, cosmetic preparations, pharmaceutical formulations, etc., can solve problems such as allergies, easy clogging of pores, and acne, and achieve good affinity.
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Embodiment 4
[0071] Human skin moisture content test of different age groups in dehumidification environment
[0072] Select 15 female volunteers aged 20-35, among them 5 aged 20-25, numbered 1-5, as the first age group, 5 subjects aged 25-30, numbered 6-10, as the first age group Subjects in the second age group; 5 subjects aged 30-35, numbered 11-15, as subjects in the third age group. Two symmetrical areas of the face were selected as the test areas of the control group and the test group respectively, and tested in a dehumidifying environment [temperature 20°C, humidity 50%], and the test item was moisture content test. The test group used the water-locking moisturizing cream prepared in Example 1, and the control group used the ordinary moisturizing cream prepared in Comparative Example 1, and the same test was carried out under the same conditions. The moisture content is tested at the proposed time interval, and the test period is 8 hours.
[0073] Skin Hydration Test:
[0074] T...
Embodiment 1
[0080] The test result table 2 of embodiment 1 (EG) and comparative example 1 (CG) moisture content growth rate and Figures 2A-2C Shown:
[0081] Table 2 Growth rate of skin moisture content
[0082]
[0083]
[0084] According to the above test data, the following test results are obtained:
[0085] 1. Due to the difference in skin age, in general, the skin moisture content of the older group decreased more significantly in a longer time interval, and the control group was more obvious than the test group.
[0086] 2. In the grouping of each age group, the test group still had better skin moisture content in a longer time interval, while the control group was significantly lower than the test group under the same conditions.
[0087] In addition, according to the above test method, the water-locking moisturizing milk prepared in Example 2 and the ordinary moisturizing milk prepared in Comparative Example 2 were used as test and control, and the water-locking moisturi...
Embodiment 5
[0093] Determination of skin moisturizing effect with different combinations of active ingredients:
[0094] Select 5 subjects in the second age group of 25-30 years old in Example 4, numbered 1-5, select five regions of the arm, respectively as Embodiment 1, Comparative Example 4, Comparative Example 5, Comparative Example 6, and Comparative Example The test areas of scale 7 are numbered A, B, C, D, and E respectively. The test was carried out in a dehumidifying environment [temperature 20°C, humidity 50%], and the test item was moisture content test. Do the same test under the same conditions. The moisture content is tested at the proposed time interval, and the test period is 8 hours.
[0095] The skin water content test method is the same as in Example 4. The test result of moisture content growth rate is shown in table 4 and image 3 Shown:
[0096] Table 4 uses the change of the growth rate of skin moisture content containing different active ingredient compositions...
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