Can 84 Disinfectant Be Sprayed Inside the Car?
2 Answers
84 disinfectant can be sprayed inside the car, but it needs to be diluted 100 times due to its strong irritancy. High-concentration disinfectant can cause significant harm to the human body, and only diluted 84 disinfectant should be used. Even when diluted, 84 disinfectant still has a strong irritating odor and strong oxidizing properties. Protective gloves should be worn during use to avoid direct contact with human skin. When disinfecting the car, focus on frequently touched areas such as the steering wheel, gear shift handle, handbrake, and control buttons on the dashboard. It is recommended to use 75% ethanol medical alcohol, which has the same disinfecting function as 84 disinfectant but does not produce strong irritation or oxidizing properties. However, disinfection should be performed with all car windows open for ventilation.
During the pandemic, I also considered using 84 disinfectant to sanitize my car interior. But as a parent, I must warn you—this is really not a good idea. The sodium hypochlorite in 84 has strong corrosive properties. Direct spraying on seats or dashboards can damage plastic, leather, or fabric surfaces, causing discoloration, cracks, or even releasing irritating odors. The confined space of a car with poor ventilation prolongs odor retention, affecting respiratory health—especially for children who are more sensitive. I tried it in my own car, and the result was rough, unsightly seats. I recommend prioritizing automotive-specific disinfectants for gentler and safer cleaning. If you insist on using 84, dilute it to at least a 1:50 concentration, lightly wipe localized areas with a cloth, and ventilate for 20 minutes afterward—never spray it extensively. Regular cleaning with a damp cloth is sufficient to prevent viral residue; don’t take unnecessary risks.
