Temperature control-type biology-based facial mask
A bio-based, temperature-controlled technology, applied in the field of skin care products, can solve problems such as low comfort and strong stickiness, and achieve the effects of reducing loss, improving hydration and nutrient retention
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[0027] The preparation method of composite temperature control base film comprises the following steps:
[0028] (1) Take chitosan and add it to the acetic acid solution with a mass fraction of 7% at a mass ratio of 1:20~30 to obtain a chitosan solution. Take the chitosan solution and add it to a coagulation bath that is 8 to 13 times the mass of the chitosan solution medium, shear and disperse at 3000~4000r / min for 3~5min, filter with suction, wash the filter residue with deionized water until the washing liquid becomes neutral, wash with absolute ethanol for 2~4 times, and move to 60~75℃ for vacuum Dried in a drying oven to a constant weight to obtain a dried product, which was taken and mixed with absolute ethanol at a mass ratio of 1:6~10 to obtain a pretreated chitosan solution;
[0029] (2) Mix pretreated chitosan, lauric acid, and ethanol solution with a volume fraction of 50% at a mass ratio of 1:1~3:12~18 at 38~45°C, and stir magnetically at 400~600r / min for 2 After ...
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