Whitening foundation primer
A barrier cream and whitening technology, applied in the field of whitening barrier cream, can solve the problem that melanin cannot be improved, and achieve the effect of reducing melanin and improving skin dullness
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Embodiment 1
[0025] 1) After washing and peeling fresh aloe vera leaves, make a slurry, add an equal volume of 20wt% ethanol solution to the slurry, soak and extract for 50 minutes, then filter, and the filtrate is concentrated and then freeze-dried to obtain the aloe extract;
[0026] 2) Add 2 times the weight of water to gentian, motherwort and calendula, reflux for extraction for 1 hour and filter, and freeze-dry the obtained filtrate to obtain gentian extract, motherwort extract and calendula respectively Extract;
[0027] 3) Add 2 times its weight and 85wt% ethanol solution to Sapindus pericarp and Red Eclipta respectively, ultrasonically extract at 600W for 20min, filter, and vacuum-dry the filtrate to obtain Sapindus extract and Red Eclipta respectively Extract;
[0028] 4) Add 10 parts by weight of gentian extract, 8 parts by weight of motherwort extract, and 6 parts by weight of calendula officinalis extract to 28 parts by weight of deionized water, heat and boil, keep in a sligh...
Embodiment 2
[0032] 1) After washing and peeling fresh aloe vera leaves, beat them into a slurry, add an equal volume of 25wt% ethanol solution to the slurry, soak and extract for 40 minutes, then filter, and the filtrate is concentrated and then freeze-dried to obtain the aloe extract;
[0033] 2) Add 2 times the weight of water to gentian, motherwort and calendula, reflux for extraction for 1.5 hours and then filter, and freeze-dry the obtained filtrate to prepare gentian extract, motherwort extract and calendula respectively Chrysanthemum extract;
[0034] 3) Add 3 times its weight and 75wt% ethanol solution to Sapindus pericarp and Red Eclipta respectively, ultrasonically extract at 600W for 25min, filter, and vacuum dry the filtrate to obtain Sapindus extract and Red Eclipta respectively Extract;
[0035] 4) Add 11 parts by weight of gentian extract, 9 parts by weight of motherwort extract, and 7 parts by weight of calendula officinalis extract to 35 parts by weight of deionized wate...
Embodiment 3
[0039] 1) After washing and peeling fresh aloe vera leaves, make a slurry, add its equal volume of 30wt% ethanol solution to the slurry, soak and extract for 30 minutes, then filter, and the filtrate is concentrated and then freeze-dried to obtain the aloe extract;
[0040] 2) Add 3 times the weight of water to gentian, motherwort and calendula, reflux for extraction for 2 hours and then filter, and freeze-dry the obtained filtrate to obtain gentian extract, motherwort extract and calendula respectively Extract;
[0041] 3) Add 3 times its weight and 70wt% ethanol solution to Sapindus pericarp and Red Eclipta respectively, ultrasonically extract at 600W for 30min, filter, and vacuum-dry the filtrate to obtain Sapindus extract and Red Eclipta respectively Extract;
[0042] 4) Add 12 parts by weight of Gentiana extract, 10 parts by weight of Motherwort extract, and 8 parts by weight of Calendula officinalis extract to 42 parts by weight of deionized water, heat and boil, keep i...
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