Our Airuidu 4-in-1 Probiotic Mint Whitening Toothpaste integrates natural whitening, anti-yellow protection, long-lasting fresh breath and probiotic oral care in one formula; featuring triple-path gentle brightening with natural pearl powder, patented low-abrasion hydrated silica and sodium pyrophosphate to lift stains, form anti-tartar coating and restore teeth’s natural whiteness without hurting enamel, added with sodium ascorbyl phosphate—a stable vitamin C derivative to deliver antioxidant effects, block pigment deposition to avoid yellowing and boost gum health, premium menthol brings instant cooling comfort to soothe irritated gums and maintain all-day fresh breath, while our exclusive blend of Lactobacillus and Fructooligosaccharides suppresses harmful bacteria and balances oral flora to build a healthier oral environment, upgrade your daily brushing routine for a brighter, fresher smile with Airuidu, Your Smile, My Mission.