Acne removal co-transporting nano-composition, preparation method thereof and application of nano-composition
A nano-composition and anti-acne technology, which is applied in the direction of drug combinations, pharmaceutical formulas, cosmetic preparations, etc., can solve the problems of unsatisfactory anti-acne effect, insoluble in water, easy to irritate the skin, etc., and achieve safe and efficient elimination of acne, Effect of repairing skin barrier function and improving skin immunity
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[0048] The present invention provides a preparation method of the anti-acne co-delivery nanocomposition described in the above scheme, which includes the following steps:
[0049] In the present invention, the oil secretion-inhibiting actives, bacteriostatic agents, anti-sensitizers, exfoliating actives, emulsifiers, co-emulsifiers, stabilizers, and complex lipids are dissolved to obtain an oil phase; The temperature is preferably 40 to 70°C, more preferably 45 to 60°C; the dissolution time is preferably 10 to 40 minutes, more preferably 15 to 30 minutes.
[0050] In the present invention, the desalinated acne marks active substance and water are mixed, stirred and dissolved to obtain an aqueous phase; the temperature of the stirring and dissolution is preferably 40 to 70°C, more preferably 45 to 60°C; the dissolution time is preferably 10 to 25 minutes, more preferably 11 to 15 minutes.
[0051] In the present invention, after the oil phase and the water phase are obtained, the wat...
Embodiment 1
[0063] Combine 0.1% kaempferol, 10.0% magnolol, 0.1% glycyrrhetinic acid, 8.0% salicylic acid, 0.5% butylated hydroxytoluene, 8.0% PEG-8 caprylic / capric glycerides, 12.0% cetearyl alcohol Polyether, 10.0% coco glucoside, 8.0% 1,3-butanediol, 6.0% polyethylene glycol-400, 5.0% glycerin, 3.0% isopropyl myristate, 1.0% cetyl alcohol , 1.0% polyethylene glycol glyceryl stearate, stirred and dissolved in a water bath at 40°C to a transparent solution to obtain an oil phase for use;
[0064] Dissolve 0.1% carnosine and 27.2% water in a water bath at 40°C under stirring to form a transparent solution to obtain an aqueous phase for use;
[0065] Add the water phase to the oil phase, stir at 45°C in a water bath at a speed of 550 rpm for 35 minutes, and emulsify at high speed at 8000 rpm for 3 minutes to prepare a micron-level dispersion;
[0066] The micron-level dispersion is subjected to high-pressure homogenization treatment under the condition of a pressure of 1200 bar, and is circulate...
Embodiment 2
[0070] 10.0% kaempferol, 0.1% magnolol, 5.0% glycyrrhetinic acid, 0.1% azelaic acid, 1.0% tert-butyl p-methoxyphenol, 1.0% polyoxyethylene sorbitan fatty acid ester, 3.0% poly Glycerin fatty acid ester, 1.0% polyoxyethylene hydrogenated castor oil, 9.0% dipropylene glycol, 11.0% ethoxy diethylene glycol oleate, 10.0% ethoxy diethylene glycol, 5.0% glyceryl stearate, 3.0 % Caprylic acid / capric acid polyethylene glycol glyceride, 5.0% isopropyl palmitate, stirred and dissolved in a water bath at 45°C to a transparent solution to obtain an oil phase for use;
[0071] Dissolve 10.0% niacinamide and 25.8% water in a water bath at 45°C under stirring to form a transparent solution to obtain an aqueous phase for use;
[0072] Add the water phase to the oil phase, stir in a water bath at 45°C and stir at 550 rpm for 35 minutes, and emulsify at high speed at 10000 rpm for 1 minute to prepare a micron-level dispersion;
[0073] The micron-level dispersion is subjected to high-pressure homogen...
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