How long does 70% numbing cream last? The dangers of unproven high-concentration anesthetics
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5 min read
The U.S. Food and Drug Administration (FDA) has issued strong warnings against using topical anesthetics with excessively high concentrations, like the hypothetical 70% numbing cream, due to the risk of life-threatening side effects. Such products are unregulated, and their purported potency is a marketing gimmick that can lead to severe health complications, including seizures and irregular heartbeats.
