External preparation for treating androgens psilosis, seborrheic dermatitis and acne
A technology for seborrheic dermatitis and external preparations, which is applied in the field of preparation of 5α-reductase inhibitor topical solutions, can solve problems such as lack of comprehensive consideration and treatment, and achieve the effect of good viscosity
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Example Embodiment
[0030] 1. Example 1
[0031] prescription:
[0032] Finasteride 50mg
[0033] Propylene glycol 50ml
[0034] Benzyl alcohol 5ml
[0035] Isopropyl myristate 5ml
[0036] Thymol 500mg
[0037] Ethanol 840ml
[0038] Water 100ml
[0039]
[0040] Make 1000ml
[0041]Preparation method: Weigh finasteride, dissolve it in an appropriate amount of ethanol, measure propylene glycol and benzyl alcohol, dissolve in an appropriate amount of ethanol, measure isopropyl myristate, dissolve in an appropriate amount of ethanol, weigh thymol, Dissolve in an appropriate amount of ethanol, add the above four solutions to the ingredient container, add water, and then add ethanol to 1000ml, shake, shake well, stand still, filter, and bottling to get it.
Example Embodiment
[0042] 2. Example 2
[0043] prescription:
[0044] Finasteride 100mg
[0045] Propylene glycol 50ml
[0046] Benzyl alcohol 5ml
[0047] Isopropyl myristate 5ml
[0048] Thymol 500mg
[0049] Ethanol 840ml
[0050] Water 100ml
[0051]
[0052] Make 1000ml
[0053] Preparation method: Weigh finasteride, dissolve it in an appropriate amount of ethanol, measure propylene glycol and benzyl alcohol, dissolve in an appropriate amount of ethanol, measure isopropyl myristate, dissolve in an appropriate amount of ethanol, weigh thymol, Dissolve in an appropriate amount of ethanol, add the above four solutions to the ingredient container, add water, and then add ethanol to 1000ml, shake, shake well, stand still, filter, and bottling to get it.
Example Embodiment
[0054] Three, example 3
[0055] prescription:
[0056] Finasteride 200mg
[0057] Propylene glycol 50ml
[0058] Benzyl alcohol 5ml
[0059] Isopropyl myristate 5ml
[0060] Thymol 500mg
[0061] Ethanol 840ml
[0062] Water 100ml
[0063]
[0064] Make 1000ml
[0065] Preparation method: Weigh finasteride, dissolve it in an appropriate amount of ethanol, measure propylene glycol and benzyl alcohol, dissolve in an appropriate amount of ethanol, measure isopropyl myristate, dissolve in an appropriate amount of ethanol, weigh thymol, Dissolve in an appropriate amount of ethanol, add the above four solutions to the ingredient container, add water, and then add ethanol to 1000ml, shake, shake well, stand still, filter, and bottling to get it.
[0066] Four, example 4
[0067] prescription:
[0068] Finasteride 100mg
[0069] Propylene glycol 50ml
[0070] Benzyl alcohol 5ml
[0071] Isopropyl myristate 5ml
[0072] Thymol 500mg
[0073] Ethanol 940m...
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