Treecell Night Perfector 100ml is a Korean 5-in-1 scalp serum for sensitive, stressed scalps and hair loss concerns. It combines Himalaya Tea Tree, 10,000ppm plant-derived Caffeine, and 300Da low-molecular Collagen to calm irritation, stimulate circulation, and strengthen hair follicles. Lemon Extract balances oil-water levels while a light forest scent lingers. Clinically shown to reduce hair loss by 145% in 4 weeks. Order COD from koreanshopbd.com.