Gel for treating acne and preparation method thereof
A technology for acne and preparations, which is applied in the field of gels for treating acne and its preparation, which can solve the problems of high treatment costs, inaccurate curative effects, and insignificant curative effects, and achieve the effects of low cost, good drug release, and strict compatibility
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Embodiment 1
[0048] Prescription: Rehmannia glutinosa 30%, paeonol 6%, red peony 8%, dandelion 15%, flea 7%, Prunella vulgaris 8%, kelp 6%, seaweed 6%, fried Sanleng 6%, fried curcuma 8%.
[0049] Preparation:
[0050] (1) Extraction process: decoct 10 medicinal materials such as Rehmannia glutinosa with water, the decoction time is 0.5-3 hours, the multiple of water addition is 6-15 times, and the number of decoctions is 1-4 times;
[0051] (2) Refining process: Concentrate the decoction liquid to a material-to-liquid ratio of 0.5-2, add ethanol and adjust the alcohol concentration to 60-85%, stand in the dark for 10-36 hours, filter, recover ethanol, concentrate to thick paste, density 1.05 (40-60°C), dried, crushed through 80-mesh sieve, and set aside;
[0052] (3) Disperse 5-20g of Carbomer-940 in 500-1000ml of water, swell, let stand overnight, adjust the pH to 4-7 with triethanolamine, and obtain a colorless and transparent blank matrix;
[0053] (4) Crush the extract through a 200...
Embodiment 2
[0056] Prescription: Rehmannia glutinosa 30%, paeonol 6%, red peony 8%, dandelion 15%, flea 7%, Prunella vulgaris 8%, kelp 6%, seaweed 6%, fried Sanleng 6%, fried curcuma 8%.
[0057] Preparation:
[0058] (1) Extraction process: decoct 10 medicinal materials such as Rehmannia glutinosa with water for 2 hours, add water 10 times, and decoct 3 times;
[0059] (2) Refining process: Concentrate the decoction liquid to a material-to-liquid ratio of 1:1.5, add ethanol and adjust the alcohol concentration to 80%, stand in the dark for 30 hours, filter, recover ethanol, concentrate to a thick paste, density 1.05 (40- 60℃), dried, crushed through 80-mesh sieve, and set aside;
[0060] (3) Disperse 5-20g of Carbomer-940 in 500-1000ml of water, swell, let stand overnight, adjust the pH to 4-7 with triethanolamine, and obtain a colorless and transparent blank matrix;
[0061] (4) Crush the extract through a 200-mesh sieve, dissolve in 20-50g ethanol, then add 20-60g propylene glycol and ...
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