What it is
Magnesium Citrate is the magnesium salt of citric acid. In cosmetic formulas it can act as a chelating agent that binds trace metal ions to help maintain stability, and it contributes to buffering and skin conditioning. It is water-soluble and is added to the water phase.
Safety & warnings
It is generally well tolerated in topical products at typical use levels. It is not a recognized fragrance allergen and is not associated with comedogenicity.
Origin & sourcing
Synthetic salt formed from citric acid and a magnesium source.
Questions everyone asks
What does magnesium citrate do in a formula?
It can chelate trace metals to support stability and contributes to buffering and skin conditioning.
Is it water- or oil-soluble?
It is water-soluble and is added to the water phase of a formula.