SEFUDUN Restorative Toothpaste (Blue)Contains HA5 Hyaluronic Acid Serum that utilizes a high concentration of hyaluronic acid (HA) to target current gum and soft tissue problems. It supports the hydration of the gums and restores the teeth while improving oral hygiene.SEFUDUN Anti-Sensitive Functional Toothpaste (Orange)Contains a concentrated dose of Nano Hydroxyapatite (nHAp), a clinically proven ingredient to improve tooth enamel and treat tooth sensitivity, effectively improve tooth sensitivitySEFUDUN Whitening Toothpaste (Purple)Contains purple water-soluble dye, purple in the hue circle is the contrasting color of yellow, can correct yellow teeth, and has excellent effect on teeth whitening