Potential for Color and Odor Change in Serum

Yes, it is possible for the color and odor of your oil-free facial serum containing WhiteCumin™ 2x (Tetrahydrocurcuminoids) and Hi-EGCG™ (Green Tea Extract) to change after 1-2 months of daily use, even when stored in an opaque bottle.

Here's why:

• Hi-EGCG™ (Green Tea Extract): This ingredient is a dark green-brown liquid and can contribute color to your serum. While it is processed for stabilization, the description indicates it is still susceptible to light and can deteriorate quickly when exposed. Although your bottle is opaque, daily opening exposes the serum to air and potentially some ambient light, which can lead to degradation over time. Degradation of plant extracts like green tea can often result in changes in both color and odor.
• WhiteCumin™ 2x: This ingredient is a yellow liquid. While it is extracted using a special process to avoid the strong color of traditional turmeric extracts, it still contributes a yellow hue. Its stability in combination with other ingredients and under various storage conditions is a factor.
• Storage Conditions: Both ingredients recommend refrigeration (4-8°C) for long-term storage to maintain stability. Storing the serum at room temperature, combined with daily exposure to air and temperature fluctuations from opening, can accelerate the natural degradation process of these sensitive plant extracts.

The interaction between the ingredients, the specific formulation (including pH and the presence of other substances like metal ions, which can affect EGCG stability), and the storage environment all play a role in the long-term stability of the serum's color and odor. The details requested by the staff regarding your formula composition, water source, storage temperature, and pH are important for a more precise assessment of stability.