The thing is that it is mostly the synthetic chemicals that make polish sparkle, stick and stay on your nails. There are many companies working hard to significantly reduce the toxicity of chemicals in nail polishes, but the facts simply are that if you want to wear nail polish, it comes with some risk.
Look for polishes that are water based. Their authenticity is easy to confirm as they won't have the strong smell of acetate which is the solvent generally used for the other chemicals.
Look for nail polishes that are free of the four most harmful toxins. Toluene is a clear, water-insoluble liquid and has the smell of paint thinner. No wonder it is known to cause headaches, dizziness and fatigue Dibutyl Phthalate (DBP) is commonly used as an additive in adhesives and printing inks.Formaldehyde is a known carcinogen, but is still widely used in manufacturing as a bonding agent. It is also known to cause irritations to the ears, nose, throat and skin. Acetates - amyl, butyl or ethyl acetates are the solvents and give nail polish its characteristic smell and can affect you in the same way as formaldehyde.If you don't use an acetone based polish, then it is easier to remove polish without an acetone based remover. Try to reduce the amount of times you use nail polish remover or look for a natural alternative. Soaking them in hot water will generally lift water based polishes or even a diy alternative such as a mixture of lemon and vinegar.