What it is
Sodium ascorbate is a water-soluble salt form of ascorbic acid (vitamin C) that is less acidic and often more stable to handle than pure ascorbic acid. It acts as an antioxidant that helps neutralize free radicals and supports the appearance of the skin. In sunscreens it is typically included as a supporting antioxidant alongside the UV filters.
Safety & warnings
Sodium ascorbate is generally well tolerated and is milder than free ascorbic acid because of its near-neutral pH. Like other vitamin C forms it can oxidize over time, which may cause color change but is not a safety concern.
Origin & sourcing
Synthetic or fermentation-derived; produced by neutralizing ascorbic acid with a sodium source.
Questions everyone asks
Is sodium ascorbate a form of vitamin C?
Yes. It is the sodium salt of ascorbic acid and functions as a water-soluble vitamin C antioxidant.
Why use sodium ascorbate instead of ascorbic acid?
It is less acidic and easier to formulate at a gentler pH, which can make it more comfortable for sensitive skin while still providing antioxidant benefit.