How fragrances are ruining your health
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Brett NethellWritten on 29th May
The average person never gets a break from synthetic fragrances. We are constantly bombarding our bodies with them, yet paying little attention to the toll they take on our health. We've been sold the idea that we need to smell a certain way, that our homes should smell "clean," our clothes should smell like "fresh linen," and that our skin should carry multiple odours that are supposed to smell “good”. But what happened to the natural smell of things? And what happened to our health when we bought into this marketing?
That's exactly what we'll be exploring in this article, how artificial fragrances disrupt our hormones, why your natural scent matters more than you think, and why stepping away from synthetic fragrances could be one of the most powerful things you do for your health. Let's dive in.
How artificial fragrances impact hormone health
Artificial fragrances are endocrine disruptors, meaning they interfere with our hormones, but how exactly does this happen?
The first mechanism is through phthalates, which is why you'll often see "phthalate free" on certain fragrances and detergents. Phthalates are synthetic chemicals that can mimic or block hormones within the body. The two most commonly affected are oestrogen and testosterone. In men, phthalates can lower testosterone levels, while in both men and women they can drive oestrogen higher by mimicking it, leading to a condition known as oestrogen dominance.
The mechanisms of disruption generally fall into a few categories. As mentioned above some fragrance chemicals act as xenoestrogens, imitating oestrogen and throwing off the body's natural balance. While others interfere with the synthesis, transport, or breakdown of natural hormones. Some affect thyroid function, and certain compounds can even influence how the genes involved in hormone production are expressed.
It's worth noting that people who work in fragrance manufacturing, perfume retail, or other industries with high fragrance exposure frequently develop thyroid issues, a direct consequence of chronic, prolonged exposure. Exposure itself happens through skin absorption, inhalation, and ingestion of residues. And because fragrance ingredients are routinely grouped under the catch-all term "fragrance" or "parfum" on product labels, protected as trade secrets, the specific chemicals involved are rarely disclosed to the consumer.
Our bodies were never designed for constant exposure to artificial fragrance, yet so many people live with it around the clock, and then wonder why their energy is crashing, their periods are worsening, stubborn fat is sitting around the midsection, and headaches keep appearing.
After removing ultra-processed food, the clearing artificial fragrance from your home and hygiene routine is arguably the second biggest burden you can lift from your body. The change in energy levels alone can be remarkable.
The problem with constant exposure
The real issue with fragrance is the relentless, cumulative exposure. We spray ourselves, wash ourselves, wash our clothes, wash our bedding, clean our homes, and burn candles. The list of artificial fragrances present in a modern home environment is vast, and most people don't even register it because they've become completely desensitised to it.
Spend any significant time away from artificial fragrances and you'll notice just how overpowering they are when you encounter them again. That desensitisation is itself a warning sign, we've simply stopped noticing something our bodies are reacting to every single day.
The burden this places on the body is immense. We are subjecting ourselves to constant hormonal and toxic stress, and our bodies never get the breathing room they need to recover. This is partly why chronic conditions like hypothyroidism are so prevalent, and why menstrual health issues such as PCOS, strongly linked to oestrogen dominance, continue to rise. When oestrogen-mimicking chemicals are a daily constant, the downstream effects on hormonal health are significant.
Strip back the fragrances. Remove the need to add them to your washes, your hygiene routine, your living space. Give your body the clean, un-fragranced air it needs.
Sweat, natural scent and pheromones
Most people want to cover up their natural body odour without ever questioning what that odour is telling them. The truth is, your body odour is a useful indicator of your internal health. A particularly unpleasant or strong odour is often a sign that your skin is offloading toxins and that's not something to suppress, it's something to address at the root.
Time and again, I have seen clients who clean up their diet and support their body's detox pathways find they no longer need deodorant at all. The smell simply stops being an issue.
Antiperspirants, however, are a different problem entirely. Forcing sweat to be withheld doesn't just affect how you smell, it prevents the body from releasing the toxins it's naturally trying to expel. The armpits are a particularly sensitive and absorbent area, meaning whatever you apply there is taken up quickly into the body, affecting not just your hormones but your broader state of health.
One of the most discussed concerns around antiperspirants has been the presence of aluminium. The case for aluminium being carcinogenic is a credible one, and given that so many people, particularly women, apply aluminium-containing products directly to the underarm area daily, the potential link to breast cancer risk deserves serious attention.
Your natural scent also carries pheromones, which play a genuine role in attraction and compatibility. Research consistently points to scent as a key factor in mate selection, we are, on some biological level, drawn to people whose natural smell we find appealing. When we mask that entirely with artificial fragrance, we lose our built-in mate compatibility tool.
The solution isn't to abandon hygiene, it's to support your body through clean nutrition, sweating freely, and lymphatic drainage, so your natural scent becomes something you can be comfortable with. Step away from antiperspirants, and let your body do what it was designed to do.
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The “clean" smell myth
One of the most successful marketing illusions of the modern era has been convincing us that "clean" has a smell, usually something synthetic, heavily fragranced, and laced with chemicals. But since when did clean mean overpowering artificial scent?
Clean and artificial fragrance are not the same thing. You can be clean and smell of nothing. Your house can be thoroughly clean and smell completely neutral. In fact, without the synthetic chemicals, it's cleaner, for you and everyone in it.
Ditching artificial fragrances doesn't mean lowering your standards. It means turning to genuinely effective natural alternatives: white vinegar and baking soda for the home, simple unscented soaps for hands, body, and hair, and naturally based deodorants that you could eat they are so clean.
Being clean never required smelling a certain way. Returning to natural options, and to your own natural scent, is how you protect your health while keeping your standards just as high.
Protecting your hormones with natural scents
Reducing your fragrance exposure and making room for no scent at all is one of the most underrated steps you can take toward reclaiming your hormonal health.
When you do want scent in your life, lean toward genuinely natural options: beeswax candles, naturally derived deodorants, fresh lavender, or simply flowers you picked yourself. Let fresh air move through your home. Let the smell of cooking and baking replace the artificial freshness of plug-in diffusers.
A note of caution: incense and essential oil diffusers are often assumed to be safe natural alternatives, but many incense sticks contain toxins introduced during manufacturing, and several essential oils are themselves estrogenic. Diffusing essential oils into the air over long periods can also cause respiratory irritation. The goal is to allow yourself to become sensitive to smells again. To reconnect with your own natural scent and no longer need a brand of detergent to tell you who you are.
The bottom line
Most of us have become so conditioned to chasing synthetic smells that we've forgotten it was never normal to be this saturated in fragrance. Our ancestors had minimal exposure to artificial scent, and that baseline, free from constant chemical stimulation, is what our bodies are designed for.
If you currently use a lot of fragranced products, start simple: cut back on candles, reduce or eliminate perfume, and switch to fragrance-free or naturally scented detergents. These small swaps can yield real changes, more energy, less brain fog, greater mental clarity, and a noticeable improvement in hormone health.
We live in a heavily toxic world that our bodies were never built for. But when we strip it back, live more naturally, and remove the unnecessary burdens we've accumulated, the body responds. Countless people can attest to this. If you've already made the switch, share what you've noticed and what natural alternatives you've found that actually work.
