POLY-VITAMIN SERUM
- Can Poly-Vitamin Serum be used on irritated or red skin?
- Could any ingredient contained in GeneXC Serum and Poly-Vitamin Serum irritate the skin?
- Do iS Clinical products contain niacinamide?
- Does an active ingredient need to represent the majority of a formula to be effective?
- For whom are Retinol+ Emulsions recommended?
- How do Retinol+ Emulsions differ from Poly-Vitamin Serum if they both contain Retinol?
- How do you determine the difference between a desired or “active” effect and an adverse reaction to a product?
- I added up the published percentages for one of your serums and it did not add up to 100%. Why is that?
- Poly-Vitamin Serum contains one of your highest concentrations of hyaluronic acid. When should it be recommended?
- What is the source of Vitamin A (Retinol) in iS Clinical products?
- Why is the color different from the last time I ordered Poly-Vitamin Serum?
- Will the alcohol within some of the iS Clinical products be drying to the skin?