Thank you staff. From leaving the aforementioned product for about a week, I still haven't found any precipitation. This product is in the form of a gel with a pH of about 4-5. L-Carnitine 3% too
From this thread topic7421.html the staff suggested to mix Zinc PCA with Hi-EGCG™ (Green Tea Extract) can be used in a night regimen. but the web page information of Zinc PCA informs that *cannot be used with Azelaic Acid , Hi-EGCG™ , Melatonin Forte™ , Atopi- Telmesteine ™, Four-EO™ * is current...
