Are personal care product chemicals linked with fetal growth concerns?
The evidence supports caution. A 2026 Environment International evidence map found many studies on phthalates, phenols, PFAS, and parabens during pregnancy and fetal growth, especially birth weight.
What is actually in it
Personal care products can contain phthalates, parabens, phenols, PFAS, and other endocrine-active chemicals. These can show up in some shampoos, lotions, cosmetics, fragrances, and sunscreens.
Pregnancy is a sensitive window. The goal is not to fear every product. The goal is to lower repeat exposure from products used every day, especially leave-on products and fragranced products.
What the research says
A 2026 Environment International systematic evidence map reviewed human and animal studies on gestational exposure to personal care products or their chemical ingredients and fetal growth.
The map found that phthalates and phenols were the most studied classes, making up 40% and 30% of the studies. PFAS and parabens were also included. Birth weight was the most common outcome, measured in about 99% of studies.
The authors said the evidence map supports class-based assessment for phthalates, PFAS, phenols, and parabens and fetal growth. They also named gaps, including limited product-use data and limited study of factors like socioeconomic status.
This is not proof that one shampoo, lotion, or cosmetic slows a baby’s growth. It is a signal to simplify daily exposure during pregnancy where that is easy.
What to do next
Start with products used every day. Choose fragrance-light shampoo, soap, and lotion. Skip unnecessary scented sprays. Replace products slowly, not all at once. Simple swaps are easier to keep.
The research at a glance
| Study | Journal | Year |
|---|---|---|
| Systematic evidence map on the association between exposure to personal care products and fetal growth. | Environ Int | 2026 |