Parabens in Cosmetics Are Aging Your Daughter's Ovaries

A chemical in your lotion could be aging your daughter's ovaries before she's even born. Propylparaben, one of the most common preservatives in cosmetics and personal care products, causes premature ovarian aging in offspring when mothers are exposed during pregnancy.

What the Researchers Found

A 2026 study in Reproductive Toxicology found that maternal propylparaben exposure depletes the ovarian reserve in offspring. That's the supply of eggs a female is born with. Once it's gone, it's gone. Less ovarian reserve means earlier menopause, reduced fertility, and more difficulty conceiving.

The good news from the study: maternal methyl donor supplementation (think folate and similar nutrients) helped protect against the damage. So the effect isn't just inevitable. It can be fought with the right nutrition.

Where Propylparaben Hides

Propylparaben is in moisturizers, shampoos, conditioners, body washes, foundations, sunscreens, and deodorants. It's listed right on the label. Parabens are so common that they've been detected in the urine of over 90% of Americans tested.

If you're pregnant, everything you put on your skin can reach your baby. Parabens cross the placenta.

What You Can Do

Check your personal care products for propylparaben, methylparaben, butylparaben, and ethylparaben. Switch to paraben-free options. And if you're pregnant, talk to your doctor about methyl donor supplements like folate.

Check out our non-toxic home essentials for safer personal care products.

Also see non-toxic kitchen essentials for safer alternatives.

Source: Wu Y, Chen Y, Wang S, Wu T, Zhang J (2026). Reprod Toxicol.