Beautiful, strong nails that grow long are hereditary. However, with proper care, genetically soft and spitting nails that do not seem to grow can be strengthened. When the nail is strengthened (also called “hardened”), the nail resists peeling and breakage, and thus, can enable you to grow long nails. The trick is to select the right products to use and to stay away from potentially damaging ones.

Contrary to popular belief, the nails should not only be hardened, but moisturized as...