Julep Take a Breather Oxygen Nail Treatment in Light Pink, $18, blocks out moisture, which can cause nail splitting. (Water makes nails swell, and then they shrink when they dry -- this causes issues.)

Vitamin E and biotin in Lakur Enhanced Color By LondonTown , $16, work to improve the health of your nails. Plus, this formula is free of a laundry list of preservatives and irritants -- and it's vegan.

Thanks to a special oxygen technology, air can penetrate your Orly Breathable Treatment + Color, $9, manicure to reach your nails. This, as well as argan oil and vitamins, helps them grow faster and better.

Deborah Lippmann Iconic Treatment Enriched Nail Polish, $18, contains biotin for stronger nails and green tea extract for protection against environmental aggressors. And there's no compromising color or shine.