Information on non-natural air fresheners available on the market

The truth about the products commonly used in diffusers:

The chemical components commonly used in stick diffusers can cause a number of undesirable health effects, particularly when inhaled regularly or in enclosed spaces:

Hormonal disruption : The effects most frequently associated with these harmful substances include hormonal disruption, particularly due to phthalates and parabens, which are known to act as endocrine disruptors. These chemicals can mimic or interfere with the body's natural hormones, disrupting the hormonal balance. This hormonal disruption can affect the reproductive system, growth and development, and increase the risk of certain cancers, in particular hormone-dependent cancers such as breast or testicular cancer.

Among these substances, phthalates are of particular concern because of their association with developmental abnormalities in infants and children, and with fertility disorders in men.

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Respiratory tract irritation: Inhalation of formaldehyde, synthetic fragrances and certain chemical solvents (such as ethanol and isopropanol) may cause respiratory tract irritation. Symptoms include sneezing, sore throat, difficulty breathing, coughing and chest discomfort.

In the most severe cases, these symptoms may lead to asthma attacks or an exacerbation of symptoms in asthmatic or allergic patients.

Allergic reactions: Synthetic fragrances are often composed of multiple chemicals that can cause allergic reactions in some people. Symptoms may include skin rashes, itching, redness, swelling or itching.

It should be noted that prolonged exposure to these substances can lead to increased sensitisation, which in turn increases the risk of future allergic reactions.

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Neurological problems: Certain chemical compounds, such as volatile solvents (like benzyl acetate), can have a harmful effect on the central nervous system. Prolonged or frequent inhalation of these compounds can lead to symptoms such as headaches, dizziness, fatigue, nausea and concentration problems.

Among these compounds, the volatile organic compounds (VOCs) emitted by stick diffusers can, in particular, be responsible for the ‘sick house syndrome’, which results in symptoms such as nausea and headaches in poorly ventilated environments.

Skin reactions: It has also been found that skin irritation or inflammation can occur when parabens and phthalates are absorbed through the skin. Individuals with marked skin sensitivity may be particularly vulnerable.

In addition, prolonged exposure to irritant chemicals, particularly in enclosed environments such as bedrooms or offices, can lead to symptoms such as itching, skin rashes and even dermatitis.

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Effects on the cardiovascular system: Volatile compounds present in some diffusers can affect the cardiovascular system, causing symptoms such as palpitations, hypertension or accelerated heart rate. This concern is particularly relevant for individuals with a history of cardiovascular disorders.

Prolonged exposure to chemical compounds such as formaldehyde, classified as a carcinogen by the World Health Organisation (WHO), can increase the risk of developing cancer, particularly when exposure occurs in enclosed and inadequately ventilated spaces.

Prolonged exposure to volatile organic compounds (VOCs) can also increase the risk of developing certain cancers.

Impaired fertility: Prolonged exposure to substances such as phthalates can alter hormones and affect fertility, particularly in men. This exposure can lead to a reduction in sperm quality and hormonal disorders.

Conclusion: even if diffusers appear harmless at first sight, they can be toxic for consumers and cause serious health problems.