@biodermasg: why does my skin feel dry again only hours after applying serum? Hydrabio Serum is a hydrating face serum for dehydrated, sensitive skin, formulated with hyaluronic acid and niacinamide, giving +176% instant hydration and a stronger skin barrier over time. dermatologically tested on sensitive skin, still light enough to wear under makeup 💧 what's your skin's biggest complaint by mid-afternoon? 👇 #niacinamide #skinbarrier #hydratingserum #sgskincare