Plastic toy
Low-grade plastic toys may contain phthalates. A U.S. study found that long-time exposure to phthalate can cause genital deformities. Try to use some wooden baby toys instead of plastic toy.
Shoe polish
Shoe polish contains nitrobenzene, which destroy the central nervous system and cause headache and drowsiness. With a cotton cloth dipped in olive oil, plus a few drops of lemon juice, rub on baby shoes, it will be clean a few minutes later.
Fiber sheets
Fiber sheets may contain formaldehyde. This substance can stimulate the skin and respiratory tract, and can never be cleaned. You'd better use cotton sheets for baby.
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