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/77.10
Deionized Water/1.50
Cetyl Alcohol/4.00
Aged (seven weeks @ 40 C
pH/6.4
Brookfield Visc., RVT, 20 rpm, cP/26,450
"Carbopol" 940/0.50
Brookfield Yield Value/1,450
C: Sodium Hydroxide (18% sol'n)/0.75
Glycerol Monostearate/2.00
pH/6.7
A: Isopropyl Palmitate/4.00
Brookfield Visc., RVT, 20 rpm, cP/38,400
D: Benzoyl Peroxide/5.00
Brookfield Yield Value/1,160

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.