Some By Mi Yuja Niacin Anti-Blemish Serum (50ml) is a high-performance, concentrated serum formulated with Yuja extract, niacinamide, arbutin, and glutathione to reduce the appearance of dark spots, post-acne marks, and uneven tone. The clinical formula penetrates deeply to restore brightness, reinforce barrier function, and protect against oxidative stress while maintaining optimal hydration. With continuous use, the serum visibly refines texture, improves clarity, and supports a balanced, healthier, and radiant complexion that is smoother and more resilient.