Our vitamin C brightening facial serum includes Sodium Ascorbyl Phosphate (SAP) - a stable, water-soluble derivative, this form of vitamin C is gentle on skin.
The esterification of ascorbic acid protects vitamin C from oxidative degradation. This stabilized form of vitamin C is added to improve the appearance of aged and fragile skin and to correct hyperpigmentation and age spots.
For optimal results, apply a product containing 2-3% SAP.