Cosmetic composition with whitening function, method for preparing cosmetic composition and application thereof
A cosmetic composition, cosmetic technology, applied in cosmetic preparations, medical preparations containing active ingredients, cosmetics, etc.
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Embodiment 1
[0034] A method for preparing a cosmetic composition with whitening effect, comprising the following steps:
[0035] (1) Take by weighing 10kg of saffron, 100kg of Sophora japonica, 10kg of honeysuckle and 100kg of daisy, mix them, and put them into a pulverizer to crush;
[0036] (2) Use 1100 kg of ethanol solution with a volume concentration of 65% to reflux extract the crushed flower fragments at a temperature of 70° C. for 4 hours, filter to obtain a supernatant, and repeat the operation 3 times;
[0037] (3) Mix the supernatant obtained in step (2), extract with n-hexane, wherein the weight of the n-hexane is 2 times that of the supernatant, concentrate the extract in a vacuum to obtain a paste, and repeat the above operations 4 times;
[0038] (4) Add deionized water into the paste at a temperature of 25° C., wherein the weight of the deionized water is 5 times that of the paste, dissolve, filter, and collect the filtrate to obtain.
Embodiment 2
[0040] A method for preparing a cosmetic composition with whitening effect, comprising the following steps:
[0041] (1) Take by weighing 50kg of saffron, 30kg of Sophora japonica, 30kg of honeysuckle and 50kg of daisy, mix them, and put them into a pulverizer to crush;
[0042] (2) Use 1600 kg of ethanol solution with a volume concentration of 80% to reflux extract the crushed flower fragments at a temperature of 60° C. for 8 hours, filter to obtain a supernatant, and repeat the operation 4 times;
[0043] (3) Mix the supernatant obtained in step (2), extract with n-hexane, wherein the weight of the n-hexane is 5 times that of the supernatant, and concentrate the extract in a vacuum to obtain a paste, repeat the above operations 3 times;
[0044] (4) Add deionized water into the paste at a temperature of 35° C., wherein the weight of the deionized water is three times that of the paste, dissolve, filter, and collect the filtrate to obtain.
Embodiment 3
[0046] A method for preparing a cosmetic composition with whitening effect, comprising the following steps:
[0047](1) Take by weighing 100kg of saffron, 10kg of Sophora japonica, 100kg of honeysuckle and 10kg of daisy, mix them, and put them into a pulverizer to crush;
[0048] (2) Use 2000 kg of ethanol solution with a volume concentration of 75% to reflux extract the crushed flower fragments at a temperature of 65° C. for 6 hours, filter to obtain a supernatant, and repeat the operation 4 times;
[0049] (3) Mix the supernatant obtained in step (2), extract with n-hexane, wherein the weight of the n-hexane is 3 times that of the supernatant, and concentrate the extract in a vacuum to obtain a paste, repeat the above operations 4 times;
[0050] (4) Add deionized water into the paste at a temperature of 30° C., wherein the weight of the deionized water is twice that of the paste, dissolve, filter, and collect the filtrate to obtain.
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