Ingredient Safety Guide
Research-backed ratings for ingredients in beauty products, personal care, and supplements. Each page covers fertility impact, regulatory status, and what to look for on labels.
01PhthalatesAvoid — human studies link phthalate exposure in women to diminished ovarian reserve and poorer IVF outcomes; the EU classifies several as reprotoxic Category 1B.Poor02BPA (Bisphenol A)Avoid — a well-documented endocrine disruptor associated in women with lower egg quality, reduced fertilization and implantation, and PCOS.Poor03ParabensLimit — xenoestrogen preservatives; longer-chain propyl- and butylparaben have been associated with diminished ovarian reserve (lower AMH and antral follicle count).Poor04PFAS (Per- and Polyfluoroalkyl Substances)Avoid — cohort studies link higher serum PFAS in women to reduced fecundity, longer time-to-pregnancy, and lower ovarian reserve; they persist in the body for years.Poor05TriclosanAvoid — an endocrine and thyroid disruptor associated with impaired fecundity; FDA banned it from consumer soaps in 2016.Poor06Oxybenzone (Benzophenone-3)Avoid — a systemically absorbed UV filter detected in nearly all reproductive-age and pregnant women; estrogenic and endocrine-disrupting.Poor07TolueneAvoid — a reproductive toxicant linked to menstrual irregularities, subfertility, and miscarriage risk; restricted in EU cosmetics and listed under California Prop 65.Poor08Diethyl Phthalate (DEP)Avoid — the most common fragrance phthalate and a near-universal exposure for women through scented personal-care products.Poor
8 ingredients reviewed · Updated regularly from peer-reviewed research