Using Stabilized Vitamin C (Natural-C Glycol™) Serum and Galactomyces Ferment Filtrate (aka Pitera)

Yes, you can use Stabilized Vitamin C (Natural-C Glycol™) Serum and Galactomyces Ferment Filtrate (aka Pitera) together in your routine.

To ensure the best efficacy and stability of the products, especially the Vitamin C serum which can be sensitive to pH changes, it is recommended to apply them with a waiting period in between.

• Waiting Time Between the Two Serums: Apply one serum, wait approximately 30 minutes, and then apply the second serum. The order of application between these two specific products does not significantly matter.
• Reason for Waiting: Galactomyces Ferment Filtrate has a higher pH range (4-7) compared to the Stabilized Vitamin C Serum (pH 2-3). Applying them too quickly together could potentially raise the pH of the Vitamin C serum on the skin, reducing its stability and effectiveness.

Regarding applying other creams or products after these two serums:

• After applying the second serum (following the 30-minute wait), allow it to absorb into the skin for a few minutes (e.g., 5-10 minutes) before applying your next product, such as a moisturizer or other cream. This shorter waiting time is generally sufficient for absorption and is separate from the 30-minute wait required between the two specific serums mentioned.