Being an effective antioxidant for skin, magnesium ascorbyl phosphate is a form of vitamin C that is considered more stable.
It is also known to increase skin hydration levels as well as being effective for calming factors in skin having to do with excess oil and signs of sensitization.
Like most forms of vitamin C, magnesium ascorbyl phosphate (in amounts of 5% or greater) has been shown to improve the look of uneven skin tone.
Find out where this ingredient is used: