A substance or agent that reduces or counteracts sensitivity, particularly in medical or pharmaceutical contexts.
From 'anti-' (against) plus 'sensitizer' (something that causes sensitivity), using the suffix '-er' to denote an agent or thing that performs an action.
In dentistry and medicine, antisensitizers are secret weapons that help people with sensitive teeth enjoy ice cream again—they work by blocking the pathways that send pain signals to your nerve.
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