The Isntree Onion Newpair B5 Ampoule is a high-performance skincare solution that targets blemishes, dark spots, and uneven skin tone with its potent blend of 85% onion extract and 5% panthenol (B5), enhancing skin barrier function and providing deep hydration. Its innovative formula also includes ferulic acid and tranexamic acid, working synergistically to calm physical irritation, reduce excess sebum, and brighten the complexion for visibly clearer and healthier-looking skin.