Compatibility of Tranexamic Acid with Vitamin C E Ferulic Serum

Regarding your question about adding 3% Tranexamic Acid to the Vitamin C E Ferulic serum formulation:

Based on the information provided, it is not recommended to add Tranexamic Acid to this specific formula.

• The Vitamin C E Ferulic formula requires a low pH to maintain its stability.
• Tranexamic Acid has a pH range of 6.5-7.5, which is neutral to slightly alkaline.
• Adding Tranexamic Acid would increase the pH of the serum, causing the Vitamin C E Ferulic to become unstable and lose its effectiveness.

Therefore, to ensure the stability and efficacy of the Vitamin C E Ferulic serum, it is best not to add Tranexamic Acid to this formulation.