NassifMD Hydro-Screen Hydrating Serum – Hyaluronic Acid, Retinol & Ceramides for Deep Hydration, Overnight Skin Repair & Anti-Aging – Face & Neck Treatment by Dr. Paul Nassif

Customers find this serum effective, with one noting it's one of the best hyaluronic serums they've used. The product receives positive feedback for its smooth, non-greasy formula that improves skin texture and makes it clear and beautiful. Customers appreciate its hydrating properties, with one mentioning it penetrates within a minute, and they like that it brightens skin and has no scent. While some customers consider it worthy of the cost, others feel it's not worth the price.