How Products Mess with Your Hormones: Part 1
- Viv
- 13 minutes ago
- 5 min read
In the glossy world of beauty, we’re sold perfection—radiant skin, voluminous lashes, and irresistible fragrances. But beneath the shimmer lies a hidden danger: endocrine disruptors, sneaky chemicals found in everyday cosmetics that can hijack our hormones and wreak havoc on our health. From fertility issues to developmental problems, the risks are far from skin-deep. Getting wise to what’s in our products isn’t just self-care—it’s a bold step toward protecting our well-being, our planet, and future generations. In Part 1, we'll delve deeper into what Endocrine Disrupting Chemicals (EDC) are, and in Part 2, we'll learn how to best avoid them to protect our health.
What Are Endocrine Disruptors?
Endocrine disruptors are chemicals, both synthetic and naturally occurring, that can imitate or obstruct the body’s hormones. Hormones are vital for regulating basic functions like metabolism, growth, and reproduction. According to data from the World Health Organization (WHO), these disruptors can lead to reproductive issues, developmental disorders, and increased risks of diseases like cancer.
Everyday products, such as plastic containers and personal care items—including lotions, shampoos, and cosmetics—often contain these disruptive chemicals. Common examples include:
Bisphenol A (BPA) is often found in plastic products. BPA can leach into food and beverages, especially when heated. It is also commonly found in toys, food and beverage packaging, and the lining of some canned foods.
Phthalates are used to make plastics more flexible and durable. They are found in a wide range of products, including medical device tubing, toys, food packaging, and fragrances. Many cosmetics also contain phthalates, including some shampoos, cleansers, nail polish, and hair spray.
Parabens are used as preservatives in cosmetics. Parabens have been associated with hormone-related health issues.
Per- and polyfluoroalkyl substances (PFAS) are a group of man-made chemicals prized for their resistance to heat, water, and grease. They've been widely used in everything from food packaging to nonstick cookware and water-repellent fabrics—earning them the nickname "forever chemicals" because they don’t easily break down in the environment or the human body.
Atrazine is one of the most widely used herbicides in agriculture, commonly sprayed on crops like corn to keep invasive weeds at bay. Its effectiveness has made it a staple in modern farming—but not without environmental and health concerns.
Dioxins are highly toxic compounds unintentionally released during industrial activities such as paper bleaching, waste incineration, and herbicide manufacturing. Though often produced in trace amounts, they can accumulate in the food chain and linger in the environment for years.
As the Environmental Protection Agency (EPA) defines, these substances interfere with the body’s endocrine system and can cause a range of health problems. Understanding their impact is essential, especially given how frequently these chemicals are present in our lives, often without our awareness.
How Endocrine Disruptors Affect Human Health
The effects of endocrine disruptors can be extensive and varied. Several key risks include:
Reproductive Health Issues: Studies have found that men exposed to high levels of endocrine disruptors can experience a sperm count reduction of over 50%. Furthermore, certain cancers, like breast and prostate cancer, show heightened prevalence in populations exposed to these chemicals.
Developmental Concerns: Pregnant individuals exposed to endocrine disruptors can have a higher risk of giving birth to children with developmental delays. For instance, a study indicated that children whose mothers had high exposure to phthalates had a greater risk of attention problems.
Metabolic Disorders: Research indicates a complex link between these disruptors and obesity. For example, exposure to BPA during pregnancy is associated with an increased risk of obesity in children (Columbia University Mailman School of Public Health, 2016).
Immune System Dysfunction: Some studies suggest that common chemicals like triclosan (an antibacterial agent often found in toothpaste and hand soap) may weaken the immune response, increasing vulnerability to infections.
Neurological Disorders: Recent investigations are beginning to reveal links between endocrine disruptors and conditions like ADHD, with studies suggesting that pregnant women exposed to high levels of certain chemicals had children with a 20% increased risk of developing the disorder.

Which Hormones Do Endocrine Disruptors Interfere With?
According to Medical News Today, endocrine-disrupting chemicals (EDCs) can interfere with a wide range of hormones, impacting key bodily systems in subtle but serious ways:
Estrogen: Critical for reproductive health and development in all sexes, estrogen regulates processes from fertility to breast tissue growth. EDCs can mimic or block estrogen by binding to its receptors, potentially affecting reproductive, behavioral, and developmental functions.
Testosterone: This primary male sex hormone supports fertility, muscle mass, and red blood cell production. Animal studies have shown that some EDCs can impair testosterone production, lower hormone concentrations, and reduce sperm counts.
Thyroid Hormones: Vital for metabolism and neurological development, these hormones can be disrupted by EDCs that interfere with how they bind to proteins and move through the body. Such disruptions may contribute to thyroid disorders.
Insulin: In animal studies, certain EDCs have been linked to insulin resistance—a risk factor for obesity and type 2 diabetes—by interfering with the hormone’s ability to regulate blood sugar effectively.
Melatonin: Best known for regulating our sleep-wake cycle, melatonin can be affected by EDCs that reduce its secretion. This disruption may lead to sleep disturbances and other circadian-related health issues.
Common Sources of Endocrine Disruptors in Everyday Life
Awareness is the first step toward safety. Here are common sources of endocrine disruptors that could be in your home:
Personal Care Products: Many cosmetics include parabens, phthalates, and synthetic fragrances, all proven endocrine disruptors.
Plastics: Items made of polyvinyl chloride (PVC), certain plastic bottles, and food containers often leach BPA when heated, putting you at risk when not properly managed.
Cleaning Products: Numerous household cleaners contain hazardous chemicals that can be absorbed through the skin or inhaled.
Food Packaging: Processed foods are frequently packaged in materials that may leach harmful chemicals, increasing risk with each meal.
Pesticides: Residues from agricultural chemicals can infiltrate our homes and bodies, often without our notice until health issues arise.
Recognizing these sources empowers you to make informed choices that protect your hormonal health.
Final Thoughts
The impact of endocrine disruptors on our health is a serious yet often overlooked concern. These chemicals can lead to hormonal imbalances and serious health challenges, affecting everyone regardless of their lifestyle.
By understanding what endocrine disruptors are, identifying their sources, and taking actionable steps to reduce exposure, we can prioritize our health. As consumers become more aware and demand safer products, we can work towards a future where beauty equates to health.
In Part 2 of this article, we'll discover what actions we can take to identify and avoid Endocrine Disrupting Chemicals.
References
World Health Organization (WHO). (n.d.). Endocrine Disruptors.
Environmental Protection Agency (EPA). (n.d.). Endocrine Disruptor Screening Program.
Environmental Working Group (EWG). (n.d.). Skin Deep® Cosmetics Database.
Medical News Today. (2024). Endocrine disruptors: Their effects and how to avoid them.
U.S. Environmental Protection Agency. (n.d.). Overview of endocrine disruption.
Columbia University Mailman School of Public Health. (2016, May 17). Mom’s exposure to BPA during pregnancy may put her baby on course to obesity.
Bellanger, M., Demeneix, B., Grandjean, P., Zoeller, R. T., & Trasande, L. (2015). Neurobehavioral deficits, diseases, and associated costs of exposure to endocrine-disrupting chemicals in the European Union. The Journal of Clinical Endocrinology & Metabolism, 100(4), 1256–1266.