Skin whitening compositions contain at least one &agr;-hydroxytetronic derivative such as diphenyl hydroxytetronic acid. Some embodiments contain adjunct ingredients that enhance the efficacy and stability of skin whitening formulations such as a tetronic acid derivative that inhibits tyrosinase or tyrosine phosphatase, hydroquinone, an &agr;-hydroxy acid such as glycolic acid, and a fatty acid ester of ascorbic acid such as ascorbyl palmitate.
美白肌肤的配方含有至少一种α-羟基四
酮衍
生物,例如二
苯基羟基四
酮酸。一些实施例包含辅助成分,可增强美白配方的功效和稳定性,例如抑制
酪氨酸酶或
酪氨酸磷酸酶的四
酮酸衍
生物、
氢醌、α-羟基酸,例如
乙酰基甘
氨酸和
抗坏血酸的
脂肪酸酯,例如
棕榈酸抗坏血酸。