Anhydrous repair mask and preparation method thereof
The technology of facial mask and dried dragon's blood is applied in the field of anhydrous repairing facial mask and its preparation, which can solve the problems of incomplete facial mask efficacy and high water content, and achieve the effects of being beneficial to long-term absorption, low water content and rapid wounding.
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Embodiment 1
[0029] The present embodiment provides a preparation method of dragon's blood extract, comprising the following steps:
[0030] (i) Under the condition of 20°C, soak dragon’s blood in 2 times the weight of 0.1mol / L sodium hydroxide solution for 28 hours, and then filter to obtain soaking solution and primary filter residue;
[0031] (ii) Mix the primary filter residue obtained in step (i) with n-butanol of equal weight, reflux and extract at 115° C. for 4 hours, and then filter to obtain the alcohol extract and secondary filter residue;
[0032] (iii) Mix the secondary filter residue obtained in step (ii) with an equal weight of water, reflux and extract at 95°C for 1 hour, filter after completion, discard the filter residue, and obtain a water extract;
[0033] (iv) Mix the soaking solution, the alcohol extract and the water extract and dry slowly at 30° C. to obtain the extract of Dracaena japonicus.
[0034] The present embodiment also provides a method for preparing an an...
Embodiment 2
[0040] The present embodiment provides a preparation method of dragon's blood extract, comprising the following steps:
[0041] (i) Under the condition of 30°C, soak dragon’s blood in 3 times the weight of 0.2mol / L sodium hydroxide solution for 20 hours, and then filter to obtain soaking solution and primary filter residue;
[0042] (ii) Mix the primary filter residue obtained in step (i) with 2 times the weight of n-butanol, reflux extraction at 110° C. for 6 hours, and filter to obtain the alcohol extract and secondary filter residue;
[0043] (iii) Mix the secondary filter residue obtained in step (ii) with 2 times the weight of water, reflux extraction at 90°C for 2 hours, filter after completion, discard the filter residue, and obtain a water extract;
[0044] (iv) Mix the soaking solution, the alcohol extract and the water extract and dry slowly at 40° C. to obtain the extract of Dracaena japonicus.
[0045] The present embodiment also provides a method for preparing an...
Embodiment 3
[0051] The present embodiment provides a preparation method of dragon's blood extract, comprising the following steps:
[0052](i) Under the condition of 25°C, immerse dragon's blood in 2.5 times the weight of 0.15 mol / L sodium hydroxide solution for 24 hours, and then filter to obtain the soaking solution and primary filter residue;
[0053] (ii) Mix the primary filter residue obtained in step (i) with 1.5 times the weight of n-butanol, reflux extraction at 113° C. for 5 hours, and filter to obtain the alcohol extract and secondary filter residue;
[0054] (iii) Mix the secondary filter residue obtained in step (ii) with 1.5 times the weight of water, reflux extraction at 92°C for 1.5h, filter after completion, discard the filter residue, and obtain a water extract;
[0055] (iv) Mix the soaking solution, the alcohol extract and the water extract and dry slowly at 35° C. to obtain the extract of Dracaena japonicus.
[0056] The present embodiment also provides a method for p...
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