External medicament for treating leucoderma and preparation method thereof
A topical medicine and vitiligo technology, applied in the field of topical medicines for the treatment of vitiligo, can solve problems such as high price, folliculitis, local irritation, etc., and achieve the effect of low incidence of adverse reactions
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Embodiment 1
[0178] The preparation method of the external medicine for treating vitiligo adopts the following steps:
[0179] a. Soak 15 kg of Tribulus terrestris, 35 kg of Polygonum multiflorum (manufactured), 10 kg of psoralen, 15 kg of Angelica dahurica, 5 kg of fig leaves, and 20 kg of licorice (raw) in absolute ethanol, soak at room temperature for 42 days, discard slag, to obtain the extract;
[0180] b. Concentrating the extract solution of step a to 55% of the volume of the extract solution, reclaiming ethanol to obtain a concentrated solution;
[0181]C, according to glycerol: stearic acid: sodium hydroxide: laurocapram: water=85:75:2:3:330 weight ratio makes matrix;
[0182] d. Mix the concentrated solution of step b with the matrix of step c according to the ratio of concentrated solution: matrix = 1 kg: 4.5 kg to make a cream.
Embodiment 2
[0184] The preparation method of the external medicine for treating vitiligo adopts the following steps:
[0185] a. Soak 60 kg of Tribulus terrestris, 15 kg of Polygonum multiflorum (manufactured), 20 kg of psoralen, 5 kg of Angelica dahurica, 10 kg of fig leaves, and 10 kg of licorice (raw) in absolute ethanol, soak at room temperature for 56 days, discard slag, to obtain the extract;
[0186] b. Concentrating the extract in step a to 45% of the volume of the extract, reclaiming ethanol to obtain a concentrate;
[0187] C, according to glycerol: stearic acid: sodium hydroxide: laurocapram: water=95:65:3:2:340 weight ratio makes matrix;
[0188] d. Mix the concentrated solution of step b with the base of step c according to the ratio of concentrated solution: base = 1 kg: 5.5 kg to make a cream.
Embodiment 3
[0190] The preparation method of the external medicine for treating vitiligo adopts the following steps:
[0191] a. Soak 40 kg of Tribulus terrestris, 25 kg of Polygonum multiflorum (manufactured), 15 kg of psoralen, 10 kg of Angelica dahurica, 7 kg of fig leaves, and 15 kg of licorice (raw) in absolute ethanol, soak at room temperature for 50 days, discard slag, to obtain the extract;
[0192] b. Concentrating the extract in step a to 50% of the volume of the extract, reclaiming ethanol to obtain a concentrate;
[0193] C, according to glycerol: stearic acid: sodium hydroxide: laurocapram: water=90:70:2.2:2.5:335 weight ratio makes matrix;
[0194] d. Mix the concentrated solution of step b with the matrix of step c according to the ratio of concentrated solution: matrix = 1 kg: 5.0 kg to make a cream.
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