| 配方類型： |
COSMETICS AND DRUGS |
| 配方說明： |
Negro Hair Straightener |
| 配方組成： |
b: Sodium Hydroxide 100%/2.2
"Carbowax" 4000/10.0
Water/9.0
c: Water/51.8 or 100.0
"Brij" 35/7.0
a: Tallow Alcohol/20.0 |
| 配制方法： |
Melt ingredients in a at 75C. In b, carefully dissolve sodium hydroxide by adding to water and stirring. Slowly add with rapid stirring c, (pre-heated to 75C) to a. When temperature of mass has dropped to 60C, slowly add b. Continue stirring until temperature has dropped to 45C, at which point add alkaline-stable perfume. Remix next day and package.
NOTE: This product is used only in conjunction with a protective cream comprising essentially petrolatum. The protective cream is used on the hair and scalp line. Suitable caution statements should be incorporated in the label. |
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