Sodium Ascorbyl Phosphate is a stable, water-soluble derivative of vitamin C (ascorbic acid) that is converted to active ascorbic acid in the skin. It provides antioxidant protection, supports collagen synthesis, and is also studied for its brightening and anti-acne (antibacterial) effects.
| Reported effect | How often | Notes |
|---|---|---|
Mild irritation or redness | Uncommon | Generally well tolerated; transient irritation may occur, especially at higher concentrations. |
Stinging or tingling | Uncommon | More likely on sensitive or compromised skin. |
Dryness | Rare | Occasionally reported, often formulation-dependent. |
Allergic contact dermatitis | Very rare | Hypersensitivity reactions are infrequently documented. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.