Cosmetic composition and preparation method thereof
A technology of cosmetic composition and plant extract, which is applied in the direction of cosmetic preparations, cosmetics, dressing preparations, etc., can solve the problems of ineffective hydrating and whitening effects, and easy to cause allergies, so as to maintain skin moisture and improve skin. Condition, the effect of increasing skin moisture
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Embodiment 1
[0034] Preparation of plant extracts
[0035] The dry Ophiopogon japonicus is added to ethanol with a mass ratio of 50%, extracted under reflux and soaking for 2.5 hours, and extracted three times; then, the extract is filtered with a filter cloth to obtain a filtrate. The filtrate mixed 3 times was concentrated to dryness to obtain the Radix Ophiopogon japonicus extract.
[0036] The dried Inula inula was added to ethanol with a mass ratio of 50%, extracted twice for 1.5 hours under reflux and soaking; then, the extract was filtered with a filter cloth to obtain a filtrate. The filtrate mixed twice was concentrated to dryness to obtain Inula inula extract.
[0037] The dried plant cinnamon is added to ethanol with a mass ratio of 50%, extracted for 2 hours under reflux and soaking, and extracted twice; subsequently, the extract is filtered with a filter cloth to obtain a filtrate. The filtrate mixed several times was concentrated to dryness to obtain cinnamon extract.
Embodiment 2
[0039] Preparation of Cosmetic Compositions
[0040] 1. The formulation of the cosmetic composition
[0041] See Table 1 for the formulations of the cosmetic compositions of Experimental Examples 1-3 and Comparative Examples 1-3.
[0042] Table 1
[0043]
[0044] See Table 2 for the formulations of the cosmetic compositions of Experimental Examples 4-6 and Comparative Examples 4-6.
[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 formulations of the cosmetic compositions of Experimental Examples 13-18 are shown in Table 4.
[0053] Table 4
[0054]
[0055]
[0056] Two, the preparation of cosmetic composition
[0057] The cosmetic compositions of the above experimental examples 1-18 and comparative examples 1-6 were prepared by the following preparation method:
[0058] (1) Disperse the thickener with the gl...
Embodiment 3
[0063] Effect experiment of moisturizing and whitening effect
[0064] The cosmetic compositions prepared by Experimental Examples 1 to 6 and Comparative Examples 1 to 6 in the above-mentioned Tables 1 and 2 were tested continuously for 30 days by 100 people aged 20 to 55 respectively, and comparative analysis and evaluation were carried out in each of the above-mentioned examples. Moisturizing effect of the prepared cosmetic composition. Wherein, the moisturizing effect refers to the improvement of dry skin, yellowing, dullness, dullness, etc., and the results are shown in Table 5.
[0065] table 5
[0066]
[0067]
[0068] The cosmetic compositions of the above experimental examples 1-12 and comparative examples 1-6 were not found to be irritating and allergic during the trial process.
[0069] It can be seen from Table 5 that the degree of improvement of each cosmetic composition in the experimental example to skin dryness, yellowing, dullness, dullness, etc. is ob...
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