Cosmetics, microplastics, and chemical-free cleaning. What's really disrupting our hormones?

You scroll through Instagram and keep coming across another warning: Your deodorant causes cancer. Plastic bottles disrupt hormones. Bathroom cleaner is the worst poison. If you believed everything you read online, you'd end up washing your hair with nothing but vinegar and eating out of wooden bowls in the middle of the forest. On the other hand, if you ignore the topic completely, you might miss something that has real implications for hormonal health, especially with endometriosis.

The truth, as is often the case, lies somewhere between panic and complete carelessness. This article is an attempt to take a calm and honest look at what endocrine disruptors are, where they come from in everyday life, and how you can limit your exposure to them without succumbing to paranoia.

What are endocrine disruptors and how do they work?

Endocrine disruptors, also known as EDCs ( endocrine disrupting chemicals ), are chemicals that can interfere with our natural hormonal system. They do this in several clever ways. Some can perfectly mimic our own hormones, especially estrogen. They bind to receptors in cells and trigger reactions that should not normally occur. Others act as blockers, i.e., they sit on receptors and prevent natural hormones from reaching them. Still others disrupt the production, transport, or metabolism of hormones, significantly disrupting their levels in the body.

There's one key feature that distinguishes these substances from classic toxins. In toxicology, the principle that dose makes poison usually applies. In the case of endocrine disruptors, this relationship can be nonlinear. This means that even microscopic, seemingly harmless amounts can have a biological effect if we're exposed to them for years or at a sensitive time in life, such as adolescence, pregnancy , or a chronic illness.

For women with endometriosis, this topic has a dual significance. Endometriosis is a disease that literally feeds on estrogen. Substances that mimic these hormones or hinder the liver's ability to efficiently eliminate them can create an environment in the body conducive to the development and progression of the disease. Although research in this area is still ongoing, and we shouldn't draw premature conclusions from it, the knowledge is so well-documented that it's worth taking the topic seriously.

Where do endocrine disruptors enter the body?

Our body comes into contact with these compounds in three main ways: through the skin, the respiratory system and the digestive system.

The skin absorbs ingredients contained in the cosmetics, creams, lotions, and personal care products we apply every day. The respiratory system and mucous membranes absorb airborne volatile organic compounds (VOCs) from paints, synthetic carpets, household detergents, and air fresheners. In turn, through the digestive system, we absorb substances that can migrate into food and beverages from plastic packaging, as well as residues from pesticides used in agriculture.

We use an average of a dozen different cosmetic and household products every day. None of them poses a direct, measurable threat to us when used alone. The problem scientists are grappling with is the so-called cocktail effect. Our bodies process a complex mixture of many substances simultaneously over the years, and studying their combined, long-term impact on health is extremely difficult.

Cosmetics: where to look?

Cosmetics are a product category where our exposure is particularly high because we apply them directly to our bodies and allow them to remain there. However, this doesn't mean you have to immediately throw the entire contents of your makeup bag into the trash. It just takes a few small, conscious habits.

Above all, cosmetics that stay on the skin for hours are most important, not those you quickly rinse off in the shower. Face cream, body lotion, foundation, and deodorant are the products worth considering first. A shampoo that you wash off in a minute has much less contact with your body than a body oil, which absorbs throughout the day.

You don't have to memorize complicated chemical names when shopping. Free apps for scanning cosmetic ingredients are very helpful. While they aren't perfect, they allow you to spot potentially problematic preservatives or UV filters in seconds. Another good option is to look for products with organic certifications, which impose very restrictive lists of permitted ingredients on manufacturers.

Plastic and food packaging

Completely eliminating plastic from modern life is virtually impossible, and there's no point in wasting energy on such extremes. Simply implement a few simple rules, the most important of which is: avoid combining plastic with high temperatures.

Chemicals like bisphenols and phthalates are released from plastics and leach into food much more quickly when exposed to heat. Therefore, heating up your dinner in plastic containers (even those marked microwave-safe), pouring boiling water into plastic cups, or packing hot meals in plastic bags are habits worth ditching in favor of glass, ceramic, and stainless steel.

Water from plastic bottles, especially those stored in warm warehouses or exposed to sunlight for many weeks, also contains significantly more released plastic particles than fresh tap water. A good filter jug ​​or a simple tap filter is an investment that, at minimal cost, protects you from plastic chemicals while drastically reducing the amount of waste generated.

We're also hearing more and more about microplastics, microscopic fragments of plastics, which are now being detected almost everywhere: in water, food, and even human tissue. Research into their impact on the body and endometriosis itself is developing rapidly, but scientists haven't yet reached definitive conclusions. Nevertheless, reducing plastic in the kitchen is a step in the right direction.

Household chemicals and indoor air quality

The air in our homes is sometimes more polluted than the air outside, which is due to the accumulation of volatile substances released from furniture, panels, paints and intensive cleaning products.

Traditional spray detergents create a fine mist when sprayed, which we involuntarily inhale directly into our lungs. A good habit is to regularly air out the home during and immediately after cleaning, and to choose liquid or paste products that don't generate irritating aerosols.

It's definitely worth limiting the use of electric air fresheners, synthetic fragrance sprays, and paraffin candles, which release benzene and toluene, among other substances, when burned. A better solution is simply regular airing or choosing natural candles made from soy or beeswax with essential oils.

Simple, traditional methods also work well for everyday cleaning. Baking soda, citric acid, and vinegar can remove most household stains and limescale just as effectively as harsh chemicals, and they're completely safe for your hormones. You don't have to forgo professional cleaning products for tough jobs, but save the strongest ones for special occasions.

An approach that works long term

Reducing the amount of chemicals in your environment is a process that should take months, not a one-time spurt combined with purchasing expensive supplements supposedly designed to cleanse the body. To approach this with peace of mind, it's worth following a few common sense rules.

Focus on what matters most. A face cream used twice a day for ten years will have a more profound effect on your body than a nail polish you reach for once a month for a special occasion. Make changes gradually – when you run out of your current lotion or dish soap, simply replace it with a new, safer alternative.

Above all, let go of perfectionism. We live in an industrialized world, and creating a sterile, chemical-free bubble is impossible. The goal is to eliminate unnecessary risk where it's easy and doesn't require a life-changing transformation.

Remember that the stress caused by obsessively analyzing every label and constant anxiety about the world around you harms your hormonal health far more than a plastic container. Cortisol, the stress hormone, can effectively disrupt the entire hormonal system and exacerbate inflammation. Calmness and a step-by-step approach will bring you far more benefits than radical, stressful changes.

Źródła:

• Deng Y. et al. Association between bisphenols and the risk of endometriosis: an updated meta-analysis. Frontiers in Public Health, 2026.
• Kim SH, Foster WG The effect of endocrine-disrupting chemicals on uterine diseases. Biology of Reproduction, 2026.
• Zhou L. et al. Effects of endocrine disrupting chemicals on female reproductive diseases: A multidimensional Mendelian randomization study. Medicine, 2026.
• Li X. et al. Are endocrine-disrupting chemicals linked to endometriosis? A pooled meta-analysis. Gynecologic Endocrinology, 2025.
• Maccarini M. et al. Endocrine disruptor chemicals exposure and female fertility declining: from pathophysiology to epigenetic risks. Frontiers in Public Health, 2024.