How to Read a Skincare Ingredient Label the Way a Formulation Chemist Does
The back of a skincare product lists every ingredient in the formulation, ranked by concentration from highest to lowest. That list is the most informative piece of information on the entire package, and almost nobody reads it correctly. We asked a cosmetic…
What Retinol Actually Does to Skin Cells, According to Published Research
Retinol is the most studied topical ingredient in dermatology, and the most misunderstood by the people who buy it. Walk into any drugstore and you will find dozens of products that name it on the label. Most of them do not tell…