Sodium Ascorbyl Phosphate Availability

Yes, Sodium Ascorbyl Phosphate (Vitamin C SAP, e.q. Stay C50) is available. It is a highly stable, water-soluble form of Vitamin C.

Key Properties and Usage:

• It is alkaline, with a pH range of 8-11.
• Formulas using SAP should have a pH between 7-9 for optimal stability.
• It is recommended to include 0.05% Disodium EDTA in the formula to help with stability against metal ions.
• It is primarily used in whitening products to brighten the skin.
• Mixing method: Dissolve in water. Avoid heating above 60°C.
• Recommended usage rate: 0.5-10% (3% is recommended).

This form of Vitamin C is similar in whitening effectiveness to Magnesium Ascorbyl Phosphate (MAP).