Vitamin C
2 articles on vitamin c from the Glintz Beauty journal.
How to Choose a Vitamin C Serum That Actually Works
Most vitamin C serums are bought on the strength of the number on the bottle. That number is close to the least useful thing on the label.
What Niacinamide Actually Does
Niacinamide is in almost everything now, which is usually a sign an ingredient is being oversold. In this case the claims mostly hold up.