MAP (Magnesium L-ascorbic acid-2-phosphate) is a kind of water soluble skin lightening additive. It is stable, non-poisonous, and superior grade additive in functional whitening cosmetics.

MAP（L-抗坏血酸-2-磷酸镁）是一种水溶性皮肤增白剂。它是功能性美白化妆品中稳定，无毒，优级添加剂。