In modern households and workplaces, air fresheners have become an everyday staple. From plug-in diffusers and aerosol sprays to scented candles and car fresheners, these products are marketed as solutions for eliminating unpleasant odours and creating a more inviting atmosphere. However, behind their fragrant façade lies a troubling truth that is seldom discussed. The dirty secret behind commercial air fresheners is that they are not as harmless as they appear. Laden with potentially hazardous chemicals, they pose significant health risks, environmental concerns, and deceptive marketing practices that consumers must be aware of.
The illusion of freshness
Air fresheners are often marketed with images of lush lavender fields, citrus groves, or fresh ocean breezes. These visuals create an illusion that the scents are derived from natural sources. In reality, most commercial air fresheners rely on synthetic chemicals to mimic these fragrances. What many users fail to realise is that these artificial scents do not actually remove unpleasant odours; instead, they mask them by numbing our sense of smell or layering overpowering fragrances on top.
Some air fresheners use chemicals like phthalates and formaldehyde, which not only imitate scent but also act as preservatives. These compounds may linger in the air long after the scent has faded, contributing to indoor air pollution. Instead of improving air quality, many of these products actively degrade it.
Toxic compounds in disguise
One of the biggest concerns surrounding commercial air fresheners is their chemical composition. Independent studies and consumer watchdog groups have found that many air fresheners release a cocktail of volatile organic compounds (VOCs). These include chemicals such as benzene, toluene, and styrene—all of which are known to have harmful effects on human health.
Phthalates, a group of chemicals often used to extend the longevity of fragrances, have been linked to hormone disruption, developmental issues in children, and reproductive harm. Inhaling them regularly, especially in enclosed environments, can contribute to chronic respiratory problems and allergic reactions.
Moreover, some products that claim to be “green” or “natural” are not exempt. Despite their eco-friendly branding, many still contain undisclosed synthetic ingredients. Unfortunately, due to regulatory loopholes, manufacturers are not legally required to list every ingredient on their labels. The word “fragrance” alone can be a cover for hundreds of individual chemicals, many of which have not been properly assessed for long-term safety.
The irony is stark: air fresheners, which are meant to make our homes smell clean and fresh, are often major contributors to indoor air pollution. The Environmental Protection Agency (EPA) has highlighted that indoor air can be up to five times more polluted than outdoor air, largely due to the presence of chemicals from cleaning and fragrance products.
The effects are particularly severe for vulnerable groups such as children, the elderly, pregnant women, and individuals with asthma or allergies. Prolonged exposure can lead to persistent symptoms such as headaches, dizziness, nausea, and irritation of the eyes, nose, and throat. In worse cases, certain chemicals in air fresheners have been linked to more serious conditions like liver and kidney damage, and even certain cancers.
Environmental impact
Beyond human health, commercial air fresheners also carry environmental risks. The production of synthetic fragrances and the non-recyclable packaging used in many of these products add to their ecological footprint. Aerosol sprays contribute to air pollution and may even contain hydrofluorocarbons (HFCs), which are potent greenhouse gases.
Many air fresheners are disposed of without proper recycling, especially plug-ins and battery-operated units, adding to the burden on landfills. Additionally, when these chemical compounds are released into the air or washed down the drain, they can contaminate waterways and affect aquatic ecosystems.
One of the most troubling aspects of this issue is the lack of transparency. The fragrance industry is largely self-regulated, and manufacturers are often protected by trade secret laws that allow them to withhold detailed ingredient lists. As a result, consumers are left in the dark, unable to make informed choices about the products they bring into their homes.
The use of terms such as “natural”, “organic”, and “eco-friendly” further complicates the situation. Without standardised definitions or independent verification, these labels can be misleading. A product labelled as “lavender-scented” may not contain any actual lavender extract, but rather a mix of synthetic chemicals designed to mimic its aroma.
Safer alternatives exist
Fortunately, there are safer and more environmentally responsible alternatives to commercial air fresheners. Here are a few options:
- Essential oils and diffusers: When used sparingly and with proper ventilation, pure essential oils can offer pleasant aromas without the synthetic chemicals found in conventional products.
- Natural odour absorbers: Items like baking soda, activated charcoal, and vinegar can help neutralise odours effectively and safely.
- Indoor plants: Some plants, such as peace lilies and spider plants, are known for their air-purifying properties and can naturally freshen indoor spaces.
- DIY air fresheners: Homemade solutions using ingredients like citrus peels, herbs, and distilled water can be a creative and non-toxic alternative.
The call for awareness
It is crucial for consumers to question the products they use and demand greater transparency from manufacturers. Just because something smells good does not mean it is good for you—or for the environment. Increasing awareness, reading labels critically, and supporting brands that prioritise safety and sustainability can make a significant difference.
Regulators and lawmakers also need to play their part. Stricter guidelines on ingredient disclosure, better labelling practices, and independent safety assessments should become standard across the industry. Until then, the responsibility falls heavily on consumers to educate themselves and seek healthier options.
The world of commercial air fresheners is a complex blend of fragrance, chemistry, and illusion. While these products may offer a temporary olfactory escape, they often come at a hidden cost to our health and the environment. It is time to peel back the scented layers and reveal the truth: freshness should never come at the expense of well-being. Making informed choices today can lead to a safer, cleaner, and truly fresher tomorrow.
Read more: APEDA Highlights India’s Organic Legacy at BIOFACH 2025