This toothpaste, like others designed for sensitivity, is intended for regular use over time to help reduce noticeable reactions to temperature and certain foods. The primary content notes that consistent use matters more than expecting an instant effect from the first application. You should not expect a dramatic change after one or two brushes.
In general, people often start to notice a gradual reduction in the intensity or frequency of short, sharp discomfort after a few weeks of regular, twice-daily brushing. The goal is to make reactions "less noticeable" as part of your routine. If your sensitivity appears from time to time, you might find it becomes less disruptive. If it's more constant, patience is key—the product works by helping to block the pathways in the dentin that trigger the pain signal, a process that builds with ongoing use.
It's helpful to pair its use with a soft-bristled toothbrush and gentle brushing technique to avoid further enamel wear. If you experience no change or even increased sensitivity after several weeks of consistent use, it's wise to consult a dentist, as the underlying cause might require a different approach.