The Medicube TXA + 15% Niacinamide Serum is a high-potency brightening treatment combining 5% Tranexamic Acid (TXA) and 10% Niacinamide, plus 2% Arbutin, to target dark spots, acne scars, and uneven skin tone by inhibiting melanin and boosting radiance. It’s a lightweight, low-irritation formula with added hydration from Hyaluronic Acid and Panthenol, making it suitable for sensitive skin to achieve smoother, more luminous, and hydrated skin.