If you wash your face with cleanser, spray on deodorant, make your morning coffee in a plastic pod machine, and wipe the bench with a supermarket cleaner, by 8am you have already encountered dozens of hormone-disrupting chemicals. And your body is quietly paying the price.
For women in perimenopause, that price is higher than most realise.
What are hormone-disrupting chemicals?
Hormone-disrupting chemicals – formally called endocrine-disrupting chemicals or EDCs – are substances that interfere with the way your hormones are made, released, transported, and received by your cells. They are found in the environment, food sources, personal care products, and manufactured goods, and can enter the body through the air we breathe, food we eat, water we drink, and through the skin. Endocrine Society
The most common ones you are likely encountering daily include:
Bisphenol A (BPA), phthalates, polychlorinated biphenyls (PCBs), dioxins, triclosan, perfluoroalkyl and polyfluoroalkyl substances (PFAS), and pesticides – found in plastics, food packaging, cookware, personal care products, cleaning products, cosmetics, and conventionally grown food. NCBI
These are not fringe concerns. Women are frequently exposed to higher levels of parabens, phenols, and phthalates than men, largely due to greater use of personal care products. ScienceDirect
How they disrupt your hormonal cascade
Your hormonal system is not a single switch. It is a cascade of precise, sequential chains of signals between your brain, glands, and organs. The hypothalamus signals the pituitary, the pituitary signals the ovaries, the ovaries produce oestrogen and progesterone, and the liver processes and clears what is no longer needed once the hormones have been used for their particular purpose at the time.
EDCs interfere at multiple points in this cascade. They bind to endogenous (or internal cellular) receptors, including oestrogen and steroid receptors, and interfere with the normal function of the brain, reproductive organs, immune system, and other organs. NCBI
Some mimic oestrogen, tricking your cells into responding as if real oestrogen is present. Others block hormones from binding to their receptors at all. BPA, for example, has estrogenic properties that disrupt typical oestrogen signalling and lead to downstream hormonal dysfunction. healthline
The downstream effects on women are significant. Disruption of the menstrual cycle, decreased fertility, increased risk of miscarriage, polycystic ovary syndrome, endometriosis, and hormone-sensitive cancers are among the documented effects of endocrine disruptors on the female reproductive system. nih
Why perimenopause makes this so much worse
In perimenopause, your hormonal system is already under strain. Oestrogen does not simply declin, it fluctuates wildly, surging and dropping erratically before it eventually falls. Progesterone often drops first, creating a period of oestrogen dominance that many women experience as heavy periods, bloating, breast tenderness, and worsening mood.
Into this already volatile picture, add a daily load of chemicals that mimic and block oestrogen. Research suggests that EDCs can intensify menopausal symptoms, making the transition from perimenopause to menopause far more challenging, and may also accelerate reproductive ageing and increase the risk of chronic conditions including osteoporosis, cardiovascular disease, anxiety, and depression. Vibrant Wellness
There is also evidence that cumulative exposure speeds up the timeline. One study following 1,120 women between 45 and 56 years old over 17 years found that women with high blood levels of PFAS reached menopause two years earlier than those with lower levels. healthline
The liver connection
Here is what most women should know: the liver is the organ responsible for clearing used oestrogen from your body. Once oestrogen has circulated and done its work, it ends up in the liver, where a specific group of enzymes called the CYP450 enzymes break it down through a process called hydroxylation, converting it into metabolites that can be safely cleared. Francesca Liparoti
When the liver is not detoxifying oestrogen efficiently, these hormones recirculate, making symptoms worse. Floryn Health
Now add EDCs to that picture. Xenoestrogens, the synthetic oestrogens found in plastics, pesticides, and personal care products. These can enter cells as if they were real oestrogen, increasing the body’s total oestrogen load and adding significantly to the liver’s detoxification burden. Francesca Liparoti
The liver already has a punishing schedule of filtering blood, building proteins, storing vitamins, processing toxins. Midlife hormone changes are an extra challenge, and anything that adds to this load worsens hormone health. THE MIDST
For women who are also under chronic stress (which describes most mothers in their late 30s and 40s!) the burden compounds further. Cortisol released during chronic stress can interfere with liver function by impacting blood sugar and insulin levels and increasing the liver’s detoxification load. Theperimenopausenaturopath
“But I feel fine” – the problem with invisible symptoms
This is the part that catches so many women off guard. Hormone disruption from EDC exposure does not always announce itself dramatically. It can look like fatigue that does not improve with sleep. Mood changes that feel like stress or anxiety. Weight that is shifting to the middle for no clear reason. Brain fog. Worsening PMS. Periods that are suddenly heavier or irregular.
These are often the earliest signs of perimenopause, and they are being amplified by a toxic load most women have never considered. Many women in their late 30s and early 40s are deep in perimenopause without realising it, attributing every symptom to stress, burnout, or simply getting older.
The chemicals in your daily environment may be making every single one of those symptoms harder to manage.
Where EDCs are hiding in your daily life
You do not need to become a chemist to reduce your exposure. You just need to know where to look.
Plastics: BPA and phthalates leach from food containers, cling wrap, coffee cups, and water bottles, particularly when heated. Swapping to glass or stainless steel storage and never microwaving food in plastic makes a significant difference.
Personal care products: Parabens, phthalates, synthetic fragrance, and triclosan are common in mainstream shampoos, conditioners, moisturisers, deodorants, and makeup. Phthalates are almost ubiquitous in personal care products including perfume, cosmetics, moisturiser, nail polish, liquid soaps, and hair spray. Australasian Menopause Society
Cleaning products: Most supermarket cleaners contain a cocktail of synthetic chemicals including hormone-disrupting fragrances and surfactants.
Food packaging: BPA is commonly found in epoxy resin linings for metal-based food and beverage cans, as well as in plastic food containers. Frontiers
Cookware: Non-stick coatings on cookware are a common source of PFAS exposure, particularly when scratched or overheated.
Making the switch – without the overwhelm
The goal is not perfection. It is reduction. Every swap you make lowers your total toxic load and gives your liver less to process, freeing it up to do the hormonal clearing work it is meant to do.
Start with just one product at a time, otherwise it becomes an expensive, overwhelming switch. Start on the products that you use every day – these are the high-contact, high-frequency exposures that add up the fastest. So, your moisturiser, your deodorant, your toothpaste, your cleaning spray – think of the things that you use the most, and start from there.
Sourcing low-tox alternatives used to mean hours of research and premium prices. This is why I created the Tree of Health Seed dispensary and shopping club. Seed is a free resource that gives you practitioner-curated access to low tox products, and professional-grade supplements, with a 10% lifetime discount.
In addition, women who are in my 6-Week Root-Cause Intensive receive 15%, those who are in my 3-Month Metabolic Reset program receive 20%, and those in my 6-Month Recalibration program receive 25% – these are all for life. Because reducing your toxic load is not a one-off project. It is an ongoing part of looking after your hormones.
If you are ready to go deeper and investigate what is actually driving your symptoms, and build a personalised health strategy that addresses root causes, including toxic load, nutrition, and hormonal balance, explore the Tree of Health programs here.
References and further reading
Endocrine Society, Endocrine-Disrupting Chemicals (EDCs)
NCBI Bookshelf / Endotext, Endocrine Disruptor Chemicals
PMC / Reproductive Health, Endocrine-Disrupting Chemicals and Reproductive Health (2019)
Australasian Menopause Society, Endocrine-disrupting chemicals – are they of concern?
Healthline, What’s the link between endocrine disruptors and menopause?