numbuzin No.5+ Glutathione Vitamin Concentrated Serum, How to use * Apply 23 drops on clean, dry face * Use after toner, before moisturizer * Gently pat until absorbed * Use once daily (preferably at Numbuzin No. 5 Vitamin Glutathione Dark Spot Laser Cream brightening cream for pigment spot correction notino.co.uk Numbuzin No.5 Vitamin Niacinamide Concentrated Pads Glutathione Dark Mark Serum for Hyperpigmentation Skincare Loving these Glutathione 7 Dark Spot Serum Patches from Manyo. It helps diminish dark spots, hyperpigmentation, and dark circles. With any skincare, consistency is so important. These can be used on numbuzin No. 5 Vitamin Concentrated Serum 30ml Shopee Malaysia