Use baking soda for strong nails as well as helping white teeth. Add a tablespoon of baking soda to warm water. Rub into nails. For teeth, only add ¼ tablespoon to a cup of warm water.
Use baby oil to stop nails from smudging, simply apply a drop to each nail a minute after applying your final coat.
When washing the dishes, use rubber gloves to protect your nails and after you wash your hands make sure your dry your nails thoroughly.
Regularly trim and file your nails and also regularly clean under your nails to stop any bacteria from growing. When moisturising your hands, make sure you rub the cream into your nails and cuticles and especially after using polish remover.
If your nails are beginning to have a yellow tinge to them, soak them in lemon juice for 10 to 15 minutes.