How to Layer Vitamin C Serum with Other Skincare Products for Maximum Dark Spot Fading on Melanin-Rich Skin Apply vitamin C serum on clean, slightly damp skin, immediately after cleansing and before any other serums...

Why Your Dark Spots Won't Fade (And What Vitamin C Actually Does) Vitamin C inhibits tyrosinase, the enzyme that overproduces melanin in response to inflammation and UV exposure Apply 2x daily on clean, dry skin...