Cleaning Products: When Clean Comes at a Cost

Cleaning products are engineered to solve real problems. They remove grease, disinfect surfaces, control mold, and reduce the spread of infectious disease. At scale, they make shared spaces safer and homes livable. That performance, however, is not free. Many conventional cleaners achieve effectiveness through chemical mechanisms that interact with biological systems, solvents that dissolve fats, surfactants that disrupt membranes, disinfectants that inactivate microbes. These mechanisms are effective, but often persist because they are inexpensive, well-studied, and easy to scale, not necessarily because safer alternatives are less effective.

When used repeatedly indoors, these same mechanisms can contribute to exposure through inhalation and skin contact. Cleaning products are designed to be used repeatedly, indoors, often in enclosed spaces, sprayed, wiped, aerosolized. Over time this creates a pattern of chronic, low-level exposure that is easy to overlook because each individual use feels brief and routine.

Not everyone bears these costs equally. Infants, young children, pregnant people, and those with compromised immune or respiratory systems are more vulnerable. Babies spend more time on floors, put hands in their mouths, and breathe faster relative to body size. People with asthma or autoimmune conditions may react to exposures others tolerate.

There is growing evidence that long-term, routine use of certain household cleaning products is associated with measurable health effects. Large observational studies have found that people who regularly clean with spray cleaners and disinfectants show measurable declines in lung function, with some patterns comparable to occupational exposures. These associations accumulate gradually, making them easy to overlook until impairment becomes clinically significant. The issue is not misuse or negligence. It is normal behavior, repeated over years, in environments where the most vulnerable often spend the most time.

Addressing this tradeoff does not require abandoning cleanliness. It requires being more intentional about how cleanliness is achieved. Because functional alternatives are not always obvious, the goal may not be wholesale replacement, but strategic prioritization.

• ▪Reduce airborne exposure: Limit spray cleaners and fragranced products, especially in poorly ventilated spaces.
• ▪Match strength to task: Reserve the strongest disinfectants for situations where they are actually needed.
• ▪Be cautious around vulnerable people: Minimize harsh or scented products in spaces used by babies, children, or those with sensitivities.
• ▪Favor simplicity where possible: Fewer ingredients and fewer products may reduce cumulative exposure and decision fatigue.

Having the ability to choose is itself unevenly distributed. Risk management here may be about reducing unnecessary exposure where the tradeoffs are most asymmetric.

For readers who want to explore household cleaning exposures and long-term health effects:

Cleaning at Home and at Work in Relation to Lung Function Decline, Svanes, O., et al. Am J Respir Crit Care Med 197(9).

Environmental Health Hazards: How Children Are Different from Adults, Bearer, C. The Future of Children 5(2), 1995.

American Lung Association. Cleaning Supplies and Household Chemicals.

World Health Organization. Guidelines for Indoor Air Quality: Selected Pollutants (2010).

Polivka, B., et al. Chemicals in the Home That Can Exacerbate Asthma. Am J Nurs 122(5), 2022.