Form of vitamin C that is considered stable and is an effective antioxidant for skin. This form of vitamin C is also known to increase skin’s hydration levels. Like most forms of vitamin C, magnesium ascorbyl phosphate (in amounts of 5% or greater) has been shown to improve the look of an uneven skin tone.
References for this information:
Indian Dermatology Online Journal, 2013, issue 2, pages 143-146
Skin Research and Technology, 2008, issue 3, pages 376-380