Using Stabilized Vitamin C Serum (Natural-C Glycol™) on Face and pH Adjustment
Asked by: oljajan
On: December 21, 2022
Product Type:
Cosmetics
Question
Can the Stabilized Vitamin C Serum (Natural-C Glycol™) be used directly on the face, and is pH adjustment necessary for this product, especially if intended for sale?
Answer
Using Stabilized Vitamin C (Natural-C Glycol™) Serum on the Face
Yes, you can use Stabilized Vitamin C (Natural-C Glycol™) Serum on your face. It is suitable for use in various anti-aging and whitening products such as gels, serums, lotions, or creams.
Regarding pH adjustment:
- The product itself has a pH in the range of 2-3.
- If you are using this product as a ready-made cosmetic for sale, the pH must be adjusted to at least 3.5 according to FDA regulations.
Note that this product is generally intended to be used as a finished product at 100%. Mixing other ingredients is not recommended as it may affect stability, unless you consult with the R&D team first. Adding fragrance (up to 1%) and coloring is generally acceptable.
