Understanding the customer is central to Korean skincare brand numbuzin. The brand's slogan, "What’s Your Number?" reflects its commitment to providing personalized solutions for individual skin concerns. numbuzin achieves this by offering products identified by numbers rather than difficult-to-remember names. Among its top sellers are the No.6 Deep Sleep Mask Serum, No.3 Super Glowing Essence TonerNo.5 Vitamin Concentrated SerumNo.5 Vitamin-Niacinamide Concentrated Pad, and No.3 Skin Softening Serum. All products are proudly made in Korea.