Phthalates Are Destroying Egg Quality in Teenagers
NonToxCo Research
Science & Safety Team · 4/6/2026
Dibutyl phthalate (DBP), a plasticizer found in nail polish, hair spray, and plastic packaging, damages egg quality when exposure happens during adolescence. The eggs' power supply, their mitochondria, gets wrecked.
What the Study Found
A 2026 study in Free Radical Biology and Medicine exposed adolescent mice to dibutyl phthalate and then examined their eggs. The phthalate damaged mitochondrial function in the oocytes. Mitochondria are the energy source eggs need to mature, fertilize, and develop into embryos.
The good news: the amino acid taurine restored oocyte quality by repairing mitochondrial function. That proves the mitochondria were the target, and the damage is at least partially reversible.
Why Adolescence Matters
Girls are born with all the eggs they'll ever have. Adolescence is when those eggs start maturing. Chemical damage during this window can affect fertility for life. And teenagers are exposed to phthalates constantly through cosmetics, personal care products, and processed food packaging.
What You Can Do
Check your teen's personal care products for phthalates (often hidden under "fragrance" on labels). Choose phthalate-free nail polish, hair products, and cosmetics. Avoid heating food in plastic containers.
Check out our non-toxic home essentials for phthalate-free alternatives.
Also see non-toxic kitchen essentials for safer alternatives.Source: Ma Y, Yan L, Zhang Y, et al. (2026). Free Radic Biol Med.