Brand from South Korea: EQQUALBERRY. This vitamin serum offers an all-round toning care for dull skin. Infused with 40% of Acerola, it helps eliminate dark spots and brightens the skin. Completed 13 clinical tests, it is safe for sensitive skin to use. How to use: After using toner, apply a proper amount onto skin and tap to aid absorption. This powerful serum is infused with 40% Acerola, a potent source of Vitamin C, to visibly fade dark spots and hyperpigmentation while brightening the skin for a more even-toned complexion. Formulated with sodium hyaluronate, squalane, and ceramide NP, it deeply hydrates and nourishes the skin, leaving it plump and radiant. Designed to provide comprehensive care for dull skin, this vitamin-packed serum helps restore a healthy, glowing appearance. Clinically tested with 13 studies, it's proven safe and gentle for sensitive skin. It removes freckles and blemishes, improves skin texture, and moisturizes. It cares for all stages of the cause of dark spots, solves the cause, and fills the skin with moisture from deep layers to provide nutrients between the skin barrier.