16.07.2023 If you ever swallow a razor blade, don't panic. The human stomach can dissolve razor blades! 🙆🏾 Human stomach acid is typically 1.0 to 2.0, meaning that it has an incredibly strong pH. In a study published in the journal Gastrointestinal Endoscopy, scientists found that the “thickened back of a single-edged blade” dissolved after only 2 hours of immersion in stomach acid.