20年前有一本好出名嘅書,應該係第1本比較有規模分析護膚品成份嘅書,就係Paula Begoun嘅Don't Go to the Cosmetic Counter without Me, 成本字典咁厚,但如果你有留意Paula呢廿年嘅reviews就知佢份人幾咁biased。睇完呢本書就用好多Estee Lauder和Clinique產品,當時hk係冇乜資訊關於外國醫學牌子,連醫美水貨店都冇。Estee Lauder係好大嘅Group, ANR喺當時係好outstanding formula (當時Loreal都未收購d medical brands。。。)