Using Stabilized Vitamin C (Natural-C Glycol™) Serum on Your Face

Yes, you can use Stabilized Vitamin C (Natural-C Glycol™) Serum on your face. This product is designed for use in anti-aging and whitening products, including serums.

Regarding the pH adjustment:

• The serum as supplied has a pH in the range of 2-3.
• The product description states that if used in the production of ready-made cosmetics, the pH must be adjusted to at least 3.5 according to FDA regulations.

This indicates that the pH adjustment is a requirement for manufacturers preparing the final product for sale, not for the end-user applying the serum. You should use the serum as it is provided without needing to adjust the pH yourself.

It's also noted that this product is suitable for use as a finished product at a 100% usage rate and is generally not suitable for mixing with additional ingredients (other than small amounts of fragrance or color) as this may affect its stability.