Does Dawn dish soap attract mosquitoes is common question due to DIY mosquito trap recipes that mix dish soap with water, but Dawn dish soap itself does not attract mosquitoes, it is used to break surface tension and drown them. Mosquitoes are attracted to carbon dioxide, body heat, lactic acid, sweat, and skin odors, not to dish soap scent. In DIY traps, people mix dish soap with water, sugar, and sometimes vinegar, where sugar or vinegar attracts mosquitoes, and dish soap acts as surfactant that breaks surface tension of water so mosquitoes that land on water sink and drown, rather than standing on surface. Without soap, mosquitoes can stand on water surface due to surface tension, but soap makes them sink. So Dawn does not attract, it kills by drowning. Some people use Dawn dish soap mixed with water to spray on standing water to kill mosquito larvae, as soap suffocates larvae by clogging their breathing tubes, though this can also harm other aquatic life. Dawn's fragrance, which is typically apple or lemon scent, is not known to attract mosquitoes more than other scents, and may slightly repel due to strong odor, but not reliably. If you leave soapy water outside, it will not attract more mosquitoes than plain water, but if you add sugar or fermenting fruit, that will attract. So Dawn itself is not attractant, it is tool to kill larvae and adults in traps when combined with attractant like sugar or CO2.
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