If your skin is sensitive, acne-prone, or easily irritated, soothing serums are essential. Two of Korea’s best-selling calming serums in 2025 are: Beauty of Joseon Glow Serum: Propolis + Niacinamide iUNIK Tea Tree Relief Serum Both are known for calming inflammation and strengthening the skin barrier — but which one is the better fit for your skincare routine? Let’s compare the ingredients, texture, and skin type benefits. 🍯 Beauty of Joseon Glow Serum: Propolis + Niacinamide 🌿 Key Ingredients: 60% Propolis Extract, 2% Niacinamide 💧 Texture: Viscous gel-serum ✨ Best For: Soothing redness, brightening, barrier…