Antioxidants
Vitamin C for the Delicate Under-Eye Area: What to Know
Why vitamin C brightens the look of the under-eye, and why a stable derivative like sodium ascorbyl phosphate suits thin eye skin better than raw L-ascorbic acid.
What Is EGCG? The Green Tea Antioxidant in Our Eye Serum
EGCG is green tea's most-studied antioxidant. Here's how the stabilised, glucoside-bound form in Under Eye-Espresso keeps working instead of oxidising on the shelf.