Numbuzin No.1 Pantothenic B5 Active Soothing Serum is a hydrating and calming serum formulated with Pantothenic Acid (Vitamin B5) to deeply soothe and repair sensitive, irritated skin. The lightweight serum penetrates quickly into the skin, delivering intense moisture while strengthening the skin barrier. Vitamin B5 is well known for its soothing and anti-inflammatory properties, making it perfect for those dealing with redness, dryness, or compromised skin barriers.