Face multi-point injection medical cosmetology method
A multi-point, facial technology, applied in the field of aesthetic medicine, can solve the problems of multi-dimensional improvement of facial aging, high risk of subcutaneous tissue damage, prone to inflammation and infection of the face, so as to reduce postoperative recovery period and avoid postoperative Infection risk, invasive effect
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preparation example 1
[0038] This preparation example provides a kind of preparation method of composite cold compress, comprising:
[0039] S1. Collagen extraction: remove hair from 1kg fresh pigskin, remove subcutaneous fat, wash with water, cut into pieces, degrease with organic solvent, the organic solvent is a mixed solution of dichloromethane and ethanol, the volume ratio is 5:2, use pH After soaking in an acid solution with a value of 1.5 for 4 hours, wash 3 times, the acid solution is a mixed aqueous solution of acetic acid and ethylenediaminetetraacetic acid, wherein the content of acetic acid is 5wt%, and the content of ethylenediaminetetraacetic acid is 2wt%, adding enzyme activity It is digested with 100U / mg pepsin, the added amount is 5wt% of the substrate, and then the pH value is adjusted to be neutral, and the collagen is obtained by salting out with different concentrations of NaCl, centrifuged, and precipitated to obtain collagen, which is lyophilized and stored;
[0040] S2. Gluc...
preparation example 2
[0045] This preparation example provides a kind of preparation method of composite cold compress, comprising:
[0046] S1. Collagen extraction: remove hair from 1kg fresh pigskin, remove subcutaneous fat, cut into pieces after washing with water, degrease with organic solvent, the organic solvent is a mixed solution of dichloromethane and ethanol, the volume ratio is 5:1, use pH After soaking in an acid solution with a value of 2.5 for 5 hours, wash 3 times. The acid solution is a mixed aqueous solution of acetic acid and ethylenediaminetetraacetic acid, wherein the content of acetic acid is 10wt%, and the content of ethylenediaminetetraacetic acid is 7wt%. Add enzyme activity Digest with 200U / mg pepsin, the added amount is 10wt% of the substrate, then adjust the pH value to be neutral, salt out with different concentrations of NaCl, centrifuge, precipitate and purify to obtain collagen, freeze-dried and stored;
[0047] S2. Glucose / SiO 2 / Fe 3 o 4 Preparation of porous nan...
preparation example 3
[0052] This preparation example provides a kind of preparation method of composite cold compress, comprising:
[0053] S1. Extraction of collagen: remove hair from 1kg fresh pigskin, remove subcutaneous fat, cut into pieces after washing with water, degrease with organic solvent, the organic solvent is a mixed solution of dichloromethane and ethanol, the volume ratio is 7:2, use pH After soaking in an acid solution with a value of 2 for 4.5 hours, wash it three times. The acid solution is a mixed aqueous solution of acetic acid and ethylenediaminetetraacetic acid, wherein the content of acetic acid is 7wt%, and the content of ethylenediaminetetraacetic acid is 5wt%. Add enzyme The activity is 150U / mg pepsin digestion, the added amount is 7wt% of the substrate, then the pH value is adjusted to be neutral, the collagen is obtained by salting out with different concentrations of NaCl, centrifuged, and precipitated to obtain collagen, which is freeze-dried and stored;
[0054] S2....
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