Light smooth liquid dissolve rapidly in water without thick sticky residue inside oral cavity, leave natural fresh mint lingering scent after each rinsing session. Detachable rubber dropper head enable precise liquid extraction, avoid excessive waste of concentrated oral care liquid for stable long-period daily use. Simple operation only drop several doses into warm or cool water, stir gently then rinse mouth for seconds, no complicated auxiliary tools needed for oral freshening. Neat blue-white themed outer package form minimalist oral care aesthetic, can be directly used as small daily care gift packaging for friends sharing. Odor-free mild raw material without sharp pungent chemical taste, maintain gentle sensory experience for frequent daily oral rinsing all year round.