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When Green Cleaning Turns Toxic

Emma’s story

‘Chemical poisoning’ is how a long-time cleaner describes her severe reactions to using workplace cleaning products she thought would be safe. J Simons talks with Emma (name changed for privacy) to find out more.

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Emma consciously chooses a healthy lifestyle. She has been careful about what she eats and the products she uses for around 20 years.

She prefers whole foods and items without plastic packaging that “seeps in”, and enjoys going to local markets where the produce is mostly spray-free, some certified organic.

“My skincare routine is organic or vegan because I am a vegetarian.”

Like many workers, Emma trusted that the cleaners she was using, which were labelled plant-based and eco-friendly, would be safe for her health and the environment.

But her story reveals that not all ‘green’ or ‘natural’ labels mean the products are completely safe, and some of them can cause unexpected reactions, depending on individual sensitivity. Nevertheless, professional guidelines, such as those from WorkSafe NZ, recommend using top-of-the-range masks to avoid fumes.

Photo: Freepik

Allergy to work – or chemical poisoning?

The problem began when she started using a particular cleaning product at work, although she used it for about six or seven months before realising it was making her unwell. She followed the dilution instructions on the label and even added more water than suggested. Even so, the fumes were overpowering.

“For three or four months, I was getting sick every day before I got the actual poisoning. I got really sick and couldn’t go to work.” Emma quietly recounts the intense gastrointestinal distress – including vomiting and diarrhea – that she faced daily during her illness. Unsure of what was happening at first, she even joked that she must be “allergic to work”.

“I’d start feeling ill after about 40 minutes of starting work every morning. I couldn’t work out what it was, until one day I was so ill I was keeled over in the cleaning cupboard.”

“The first time I phoned in and said I’ve got food poisoning. The next day, I was still sick and felt worse than the day before. I was having brain fog, which I would not have with food poisoning. The symptoms were slightly different, but I didn’t know what else to put it down to.”

Masking up

“I went to the doctor, and he just happened to ask what I did for a job, and that’s when he changed direction with his questions.”

The doctor confirmed that Emma should wear a professional chemical mask, even with plant-based products. Her workplace did not provide masks, and after asking for several months, she resorted to contacting her union and WorkSafe NZ.

Although the initially provided masks were inadequate – the cheap, single-use blue ones – the cleaning company has now supplied better masks (Moldex 2700 P2), but not the ones recommended by WorkSafe NZ. “They don’t want to spend the money,” says Emma.

Read the fine print

I looked at the details of the mask now provided. Although an improvement for chemical safety, it’s not the best professional option. Emma should likely have a 99% filter rather than the 94% that has been provided. For more hazardous chemicals, especially those that can irritate lungs or eyes, masks with replaceable cartridges would be the safest.

I checked out the label of the product Emma was using. Despite its ‘plant-based’ and ‘eco-friendly’ claims and use of real essential oils, it contained several chemical ingredients known to cause respiratory and skin sensitivities. In particular, the VOCs (volatile organic compounds) are of concern, and the product is classified as a hazardous substance.

Health and safety in the cleaning industry

Emma has been cleaning for many years. At one stage, a colleague attempted to insist that Emma and others use a banned product.

“She was trying to get us to use something, a product that was actually banned, for safety reasons, and she was still trying to get us to use it to get marks off the sink.”

“I did use it once after she told us to use it. I used a little bit – it was a powder. I had to go out of the shower cubicle, it was that strong, and I felt nauseous immediately.” Emma has often wondered if her colleague’s lung cancer was caused by the product that was banned.

Image: vectorjuice Freepik

“Health and safety comes last in the cleaning industry; they have all the procedures and guides you are supposed to abide by, but at the end of the day, it is about getting the job done in the least amount of time and money.”

Emma thinks it’s hard to educate the cleaning industry, and that there is resistance to truly green products. WorkSafe NZ has guidelines, but many cleaning companies fail to follow them, and enforcement often only occurs if a complaint is made – which can be at the risk of a cleaner’s job.

Simple natural cleaning products

Emma’s cleaning jobs haven’t always involved intense and harmful chemicals. Recounting a positive experience with a previous employer brings a smile: “At one place I worked at, the owner was open to making up things like using lemon and olive oil, and things like that.”

She reacts strongly to artificial smells on the bus or at work. “When there are a lot of people around with quite strong perfumes, I have always had these sensitivities,” Emma explains.

“I don’t get my nails done because I can’t stand that smell. I do try to get out into the fresh air often. Sometimes I use baking soda at work instead of the spray or other strong products.”

Photo: iStock/eskaylim

Contributing factor?

Emma also shared that she has epilepsy, which was diagnosed in childhood, and she’s currently awaiting a public hospital appointment.

“I’m looking at coming off medication for epilepsy due to side effects. I’m waiting to talk to a neurologist who focuses on using a keto diet instead of medicine.”

A recent study found that patients with temporal lobe epilepsy (TLE) and idiopathic generalised epilepsy (IGE) show impaired autonomic nervous system responses, which can affect digestive functions.1 The autonomic nervous system regulates involuntary physiological functions like breathing, blood pressure and digestion, so Emma’s epilepsy may have contributed to the gastrointestinal symptoms she experienced during her chemical exposure at work.

Volatile vapours

I (the author) was reminded of my own recent experience with another so-called ‘green’ cleaner. It had a strong wintergreen scent, and I react to wintergreen – both the real thing (methyl salicylate, a plant compound) and synthetic versions. Within minutes, I was dizzy, nauseated, and had an instant headache, even through a P2 mask.

Wintergreen compounds are VOCs, and in sensitive people they can trigger severe symptoms. The Safety Data Sheet didn’t list methyl salicylate, but fragrances are often proprietary blends that conceal potentially harmful chemicals under a single ‘fragrance’ label.

Taking charge of her health

Now taking active steps to work on her own business, Emma allocates time every day after work to researching her business outside of the cleaning industry, educating herself in her new online direction.

She is quietly optimistic about the next steps in managing her condition, and feels more confident after being supported by her union, and about her appointment with a keto specialist. Her future is looking brighter with these things underway, and I hope to catch up with her again.

“No job is worth putting your health at risk,” she says.

STAY SAFE WHILE CLEANING
  • Always check and follow the instructions for cleaning products.
  • Wear suitable protective gear such as gloves and masks.
  • Ensure there is good ventilation when cleaning.
  • Workplace and commercial cleaning: follow the relevant WorkSafe NZ guidelines.
AUTHOR BIO

J Simons is a freelance writer, copywriter, and food photographer specialising in organic food, health, and sustainability. J creates compelling content and imagery that supports healthy living and ecological stewardship.

https://www.totalcreative.co.nz/photography

IMAGE AT TOP: Freepik


  1. Shaker, K.K., Al Mahdawi, A.M. & Hamdan, F.B. Interictal autonomic dysfunction in patients with epilepsy. Egypt J Neurol Psychiatry Neurosurg 57, 165 (2021). https://doi.org/10.1186/s41983-021-00422-0 ↩︎

The Gut Microbiome

8 tips for whole-body health

One of the most complex systems supporting your health isn’t your brain, heart, or even your immune system – it’s your gut microbiome.

Nutritional therapist Paula Sharp finds out why this internal ecosystem, composed of trillions of microorganisms, is hailed by scientists as key to health research.

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Your gut microbiome is the diverse community of bacteria, viruses, fungi, and other microbes residing primarily in your large intestine.

They are microscopic, but have an enormous collective impact. They have essential roles in digesting food, modulating inflammation, and influencing brain health.

The microbiome also builds and regulates most of our immune function.

Image: DataBase Center for Life Science, Wikimedia Commons

What is the gut microbiome?

Imagine a rainforest inside your body, teeming with life. Like any ecosystem, the gut microbiome thrives on diversity and balance. This community of microorganisms works together to help you break down fibre, extract nutrients, synthesise vitamins (such as B12 and K), and produce beneficial short-chain fatty acids.

While we tend to think of bacteria as harmful, the majority living in your gut are either beneficial or neutral. These microbes co-evolved with us and perform tasks we cannot do on our own—such as fermenting non-digestible carbohydrates or keeping pathogenic (harmful) bacteria in check.

It’s estimated that the human gut contains between 300 to 1000 different species of bacteria, with every individual having a unique microbiome signature, influenced by genetics, diet, environment, and lifestyle.

The microbiome’s role in the body

Research over the past decade has dramatically changed our understanding of the gut microbiome. Once considered a passive system, it’s now seen as an active organ in its own right, interacting with nearly every physiological process.

1. Digestion and nutrient absorption

Gut microbes help break down complex carbohydrates, such as dietary fibre, that we can’t digest on our own. The fermentation of fibre by certain bacterial strains produces short-chain fatty acids (SCFAs) like acetate, propionate, and butyrate. These SCFAs are anti-inflammatory and nourish the cells lining the colon.

2. Immune system regulation

About 70% of your immune cells reside in the gut lining. A healthy microbiome helps maintain the balance between immune tolerance (not reacting to harmless substances) and defence (attacking pathogens). An imbalanced microbiome may contribute to autoimmune conditions – in which the body mistakenly attacks its own healthy cells – and chronic inflammation.

3. Gut–brain axis

The gut-brain axis describes the two-way communication between the gut and the central nervous system. Through neural, hormonal, and immunological pathways, the gut influences mental health.

Certain strains of bacteria, particularly lactobacillus and bifidobacterium produce neurotransmitters like serotonin and GABA, these improve mood and cognitive function.

Image: Jill Wellington / Pexels

However, some bacteria mimic and interfere with these neurotransmitters. E-coli, campylobacter and clostridium are some of the bacterial culprits which release inflammation causing compounds (or toxins) causing mood to dip, anxiety to increase and sleep to be compromised.

Emerging evidence even links gut health to neurodevelopmental conditions like autism spectrum disorder and degenerative diseases such as Parkinson’s disease.

What disrupts the microbiome?

Despite its resilience, the gut microbiome is highly sensitive to changes in our environment and behaviour. Modern lifestyles, particularly in industrialised nations, are often hostile to microbial diversity.

1. Dietary factors

Diets high in ultra-processed foods, added sugars, and low fibre reduce beneficial species and encourage the overgrowth of pathogenic bacteria, which are otherwise not a problem when the microbiome is balanced.

Excessive alcohol consumption and low intake of plant-based foods limit microbial diversity.

Image: Foodie Factor / Pexels

2. Medications

Antibiotics, while lifesaving, can wipe out both good and bad bacteria, potentially leading to long-term imbalance.

Medications that reduce stomach acids, NSAIDs (non-steroidal anti-inflammatory medications), and artificial sweeteners all negatively alter the gut microbiome.

3. Lifestyle stressors

Chronic stress or cortisol poisoning is felt in the gut.  The stress-hormone response increases intestinal permeability (leaky gut) and impairs microbial balance. This can show up as stress diarrhoea, nervous urination, nausea and ‘tummy ache’ in the lower abdomen. Is it just butterflies in your tummy, or compromised gut health?

Poor sleep quality disrupts the circadian rhythm of gut microbes. Sedentary behaviour has also been associated with reduced microbial diversity.

Eight ways to nurture your gut microbiome

Restoring and maintaining a healthy gut doesn’t require drastic changes. Simple, evidence-based strategies such as the following can support your microbiome’s resilience and diversity:

1. Eat a diverse range of whole foods

A variety of fibre-rich foods feeds different bacterial strains. Aim for 30+ plant types per week, including vegetables, fruits, nuts, seeds, legumes, herbs, and whole grains.

Image: Oksana S / iStock

2. Prioritise prebiotics and probiotics

Prebiotics are non-digestible fibres that act as food for beneficial bacteria. Sources include garlic, onions, leeks, asparagus and bananas.

Probiotics are live bacteria found in fermented foods like yoghurt, kefir, kimchi, sauerkraut, and miso. These can help restore microbial balance, especially after antibiotic use.

3. Minimise ultra processed foods

Artificial additives, emulsifiers, and preservatives in highly processed foods harm microbial communities and contribute to metabolic dysregulation.

Ultra processed foods look like this: instant noodles, snack chips, sugary cereals, frozen chicken nuggets, processed cheese slices, fizzy drinks and snack bars.

Many of them contain MSG (monosodium glutamate), thickeners, and phosphoric acid as additives. Taste has been enhanced with lab-produced flavourings such as ‘cheese flavour’, ‘strawberry flavour’, ‘honey flavour’. And the preservatives of choice are sulphates, sodium and/or sorbates. Food labels can feel like a minefield, but if you don’t recognise what’s on the label, it can be considered ultra processed food. 

4. Stay hydrated

Water is essential for maintaining a healthy gut lining and aiding fibre fermentation.

5. Move your body

Regular exercise has been linked to increased diversity and abundance of health-promoting bacterial strains.

6. Manage your stress

Mind-body techniques such as meditation, breathwork, or gentle movement like yoga can regulate the gut-brain axis and reduce inflammation.

Yoga on the beach (image: LucidSurf/istock)

7. Sleep consistently

A regular sleep schedule supports the natural circadian rhythms of your gut bacteria, which influence digestion and hormone production.

8. Consider supplementation carefully

While probiotic and prebiotic supplements can be helpful, they’re not one-size-fits-all. It’s best to consult a qualified health professional to tailor recommendations to your needs.

The microbiome and the future of health

We’re just scratching the surface of microbiome science. With emerging links to conditions as diverse as type 2 diabetes, cardiovascular disease, allergies, skin conditions, and even cancer, researchers believe the microbiome may soon be a central focus for personalised and preventive medicine.

Microbiome testing and interventions may one day guide us in choosing the best foods, therapies, or even medications based on our internal microbial profile.

The gut microbiome represents a new lens through which we can understand health, illness, and healing. It’s not about striving for perfection—but rather cultivating balance.

By eating real food, managing stress, staying hydrated, and treating your gut with respect, you can positively influence not just your digestion, but your immunity, energy levels, mood, and long-term vitality.

AUTHOR BIO: Paula Sharp is a nutritional therapist working one-to-one via Zoom to support women’s health, restore gut health and digestion, hormonal balance, skin and hair, sleep, shifting weight and health pre- and post-surgery. www.paulasharpnutrition.com
She is also a guest speaker, giving talks to companies on nutrition and mindset. In London she worked in the organic fruit and vegetable industry, and now she is based in Whakatāne, growing her own extensive spray-free garden.