No matter the source, the vitamin C that you don't need is chemically identical and indistinguishable. [1] American Council advisor, Dr. David Seres, the director of nutritional medicine at Columbia ...

China is a major exporter of Niacinamide, which is shown to support the skin barrier that protects against environmental damage. This is one reason the ingredient is so popular for skincare products ...

Vitamin C is a powerhouse nutrient essential for overall health, particularly for maintaining vibrant, youthful skin. It acts ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Rory Evans Rory Evans is a writer focused on skin-care and beauty products.

I have 15 years of experience covering lifestyle content. “Vitamin C serums can be highly effective because they have a high concentration of active ingredients, and their smaller molecules ...

We may earn commission on some of the items you choose to buy. While vitamin C can burn or cause a tingling sensation, especially if you have easily irritated skin, you don’t need to look much ...

Think your vitamin C comes from hand-picked oranges and sunshine? Try corn syrup, sulfuric acid, and genetically modified microbes instead. This isn’t a wellness fairy tale—it’s industrial chemistry ...