Bundling is also possible ◎ Please feel free to comment in the comment section. New product name: Bihaku Solution Z (Old product name: Bihaku Solution) Made in Japan, registered as cosmetics. One bottle is enough for 30 people. The Bihaku whitening solution has further evolved. From April 1, 2025, glycyrrhizic acid, chamomile flower extract, and riboflavin have been newly added. This enhances the effect of supporting gum health and further strengthens the hygiene function of oral care. In addition, the design has been renewed, making it more stylish and easier to use. Product features: Capacity: 30 servings per bottle (13ml) How to use: Dosage: 3-5 pumps per use (up to 10 pumps for 8 minutes x 2 times) Before use: Shake well before use. #Whitening #SelfWhitening #Bihaku #Sharion #MouthOpener #BihakuWhiteningSolution #OralCare #OralCare #WhiteningToothpaste #SharionWhitening #Bihaku #BIHAKU