What Is It?

Parabens are a group of synthetic chemicals used as antimicrobial preservatives to prevent the growth of bacteria, mold, and yeast. Common parabens include methylparaben, propylparaben, ethylparaben, and butylparaben. You can often find parabens on the label by searching for the suffix “-paraben.”

Why It Matters

Parabens are a pervasive reality in the everyday lives of most people. They are found in everything from cosmetics and personal care products, to pharmaceuticals and packaged foods. Although a combination of research, consumer demand, and legislative action has been working to curb population exposure for years, this class of chemicals still remains relatively ubiquitous in our daily environments. Understanding parabens, their harmful effects, and how to avoid them continues to be an important way to minimize their impact.

Where It’s Found

Parabens are found in a wide variety of consumer goods including personal care and beauty products, pharmaceuticals, food packaging, wipes (baby wipes, wet wipes, etc.), cleaning supplies, pet care products, processed foods (though some companies are reformulating), and also some textiles. The EU has regulations surrounding the use of parabens, including restrictions against the most potent parabens (such as isopropylparaben and isobutylparaben).[1] Some US states have passed laws banning certain parabens in specific consumer goods.

Found In

Cosmetics
Personal care products
Pharmaceuticals
Cleaning products
Food packaging
Wipes

The Health Concern

Parabens are associated with endocrine disrupting activity,[5][6][7][8] which means that they disturb the fine-tuned functions of the body by mimicking, blocking, or otherwise interfering with hormones. Because the endocrine system plays multiple critical roles in the regulation of the body, its disruption can have wide-ranging impacts, affecting everything from appetite regulation to fertility and more. For example, one 2025 study found a correlation between paraben exposure and altered menopause onset.[9] In a similar vein, parabens have been associated with precocious puberty, with some parabens increasing the odds of early breast development in girls.[10] Another 2025 study uncovered a link between parabens and hormone-disruption driven obesity in children.[11] The reproductive harm caused by parabens was also investigated in a 2023 paper that found that paraben exposure was significantly associated with declining sperm concentration, count, and motility in adult males.[12] Parabens have even been found to negatively impact metabolic health, with researchers finding that parabens contribute to insulin resistance and drive adverse lipid profiles (e.g., higher triglycerides; lower “good” cholesterol).[13] Concerns such as these have led The Endocrine Disruption Exchange to flag methylparaben, ethylparaben, and butylparaben as potential endocrine disruptors.[14]

The repercussions of paraben exposure are broad, and ongoing research continues to investigate their many impacts. One study reported an association between paraben exposure and breast cancer.[15] Laboratory work in MCF-7 human breast cancer cells provides mechanistic support.[16] Experimental work found methylparaben and propylparaben promoted bladder cancer invasion through MMP2 and PPARG modulation.[17] Recent studies have explored the emerging patterns between prenatal paraben exposure and neurodevelopmental and behavioral impacts in children. One 2025 study found that exposure to methylparaben during the third trimester of pregnancy is associated with increased behavioral disorders in children,[18] and a 2026 study found that higher levels of methyl-, ethyl-, and propyl- parabens in pregnant mothers were linked to increased aggression and impulsivity in children by ages 2-4.[19]

Parabens have also been found in the environment, with one 2026 study finding alarming levels of paraben contamination in groundwater near dumpsites.[20] Soil contamination from parabens is an ongoing concern, and researchers are seeking to understand the ecotoxicological effects caused as a result.

How to Avoid It

Read labels to avoid parabens. They can often be identified by the suffix “-paraben” on the label. Examples of common parabens are:

Methylparaben
Propylparaben
Ethylparaben
Butylparaben

Less common, but still used in some cases: isopropylparaben and isobutylparaben

Look for “paraben-free” on the product packaging or label. Thanks to consumer demand and state-specific legislation, many companies have started to move away from parabens. In these cases, you might see a product labeled as “paraben-free.” Be careful to maintain your discerning label-reading eye though—just because something is free of parabens does not automatically imply that the rest of the formula is safer. “Paraben-free,” while an important step, can also be a great way to greenwash an otherwise abysmal ingredient list.

Go fragrance free wherever possible. Many fragrance formulas rely on parabens as antimicrobials and stabilizers.

Eat more whole, unprocessed foods. This is the easiest way to eliminate possible exposures to parabens found in processed foods and food packaging.

Find products that use safer preservatives such as: citric acid, sorbic acid, gluconolactone, potassium sorbate, and caprylhydroxamic acid.