Cosmetic composition and preparation method thereof
A technology for cosmetic compositions and plant extracts, applied in cosmetic preparations, cosmetics, cosmetic preparations, etc., can solve the problems of insignificant anti-aging effect, easy to cause allergies, etc., so as to improve skin condition and prolong cell life. , Anti-aging effect of skin
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Embodiment 1
[0034] Preparation of plant extract
[0035] The dried linden bark was added to ethanol with a mass ratio of 50%, and extracted for 1.5 hours under reflux and immersion for 3 times; then, the extract was filtered with a filter cloth to obtain the filtrate. The filtrate after mixing 3 times is concentrated to a dry linden bark extract.
[0036] The dry green tea was added to ethanol with a mass ratio of 50%, and extracted for 2.5 hours under reflux and immersion for 3 times; then, the extract was filtered with a filter cloth to obtain the filtrate. The filtrate mixed 3 times is concentrated to dryness to obtain a green tea extract.
[0037] The dried plant peony is added to ethanol with a mass ratio of 50%, and it is extracted under reflux and immersion for 2 hours, and then extracted 3 times; then, the extract is filtered with a filter cloth to obtain the filtrate. The filtrate mixed 3 times is concentrated to dryness to obtain the peony extract.
Embodiment 2
[0039] Preparation of cosmetic composition
[0040] 1. The formula of the cosmetic composition
[0041] The formulations of the cosmetic compositions of Experimental Examples 1 to 3 and Comparative Examples 1 to 3 are shown in Table 1.
[0042] Table 1
[0043]
[0044] The formulations of the cosmetic compositions of Experimental Examples 4-6 and Comparative Examples 4-6 are shown in Table 2.
[0045] Table 2
[0046]
[0047]
[0048] The formulations of the cosmetic compositions of Experimental Examples 7-12 are shown in Table 3.
[0049] table 3
[0050]
[0051]
[0052] The cosmetic composition formulas of Experimental Examples 13-18 are shown in Table 4.
[0053] Table 4
[0054]
[0055]
[0056] 2. Preparation of cosmetic composition
[0057] The cosmetic compositions of Experimental Examples 1-18 and Comparative Examples 1-6 were prepared by the following preparation methods:
[0058] (1) First disperse the thickener with glycerin in the moisturizer, add it to the emulsifying pot...
Embodiment 3
[0063] Effect experiment
[0064] The cosmetic compositions prepared in Experimental Examples 1-12 and Comparative Examples 1-6 in Table 1 and Table 2 were tested by 100 people aged 20 to 55 for 30 consecutive days to compare, analyze and evaluate the results in the above experimental examples. The anti-aging effect of the prepared cosmetic composition. Wherein, the effect is the improvement of dry skin, rough skin, skin elasticity and wrinkles. The results are shown in Table 5.
[0065] table 5
[0066]
[0067]
[0068] No irritation or allergies were found in the cosmetic compositions of Experimental Examples 1-12 and Comparative Examples 1-6 during the trial process.
[0069] It can be seen from Table 5 that the cosmetic compositions in the experimental examples showed a higher degree of improvement in dryness, roughness, skin elasticity and wrinkles than the products in the control group; and the linden bark extract and the green tea extract were more effective The greater the...
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