Josun Therapy is a Korean hanbang (traditional herbal medicine) skincare brand that positions itself at the intersection of centuries-old herbal wisdom and modern dermatological science. Its lineup targets problem skin, wrinkles, and pigmentation with formulas built on ingredients like aged ginseng, retinol, niacinamide, and glutathione, packaged as pore-care, anti-wrinkle, and brightening product lines.