| 配方类型： |
DRUGS |
| 配方说明： |
Benzoyl Peroxide Acne Preparations |
| 配方组成： |
Polyethylene Glycol 12/5.00
B: Deionized Water/77.80
Deionized Water/1.50
Cetyl Alcohol/4.00
Aged (seven weeks @ 40 C
pH/6.3
Brookfield Visc., RVT, 20 rpm, cP/12,200
"Carbopol" 940/0.25
Brookfield Yield Value/720
C: Sodium Hydroxide (18% sol'n)/0.35
Glycerol Monostearate/2.00
pH/6.6
A: Isopropyl Palmitate/4.00
Brookfield Visc., RVT, 20 rpm, cP/13,900
D: Benzoyl Peroxide/5.00
Brookfield Yield Value/1,150 |
| 配制方法： |
Part A---Combine the emollients of Part A and heat to 70 C.
Part B---Disperse the "Carbopol" resin in water. When uniform, heat to 70 C and add to Part A. Allow entrapped air to escape. Part C---Add the sodium hydroxide solution to combined Parts A and B with slow-speed stirring, and cool below 40 C.
Part D---Grind these ingredients into a smooth paste and add to the above. |
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