Who can blame a parent for wanting to avoid introducing their kids to toxins? The anxious parents know there are chemicals that could harm their kids everywhere — in toys, clothing, crib mattresses, pacifiers, diaper cream. Whether it’s formaldehyde, endocrine-disrupting phthalates, or some other scary-sounding substance that could harm your child’s health and development, it’s better to buy products labeled safe, natural, non-toxic, and hypoallergenic, right? Nope.