英文摘要 |
In order to assess the quality of marketed cold perms, 105 samples were purchased in the Taiwan area from Sept.1997 to March 1998. The variables examined in the first and the second lotions of cold perms included: (1) pH value, (2)identification and determination of active ingredients, and (3) the alkalinity of the first lotion only.The results showed that only 6 samples did not comply with relative regulations. |