What should i use to keep my long natural nails from splitting or breaking?

Try taking vitamins. Iron should help with that, I believe.What should i use to keep my long natural nails from splitting or breaking?
I typically just use a clear nail polish. But my nails are pretty tough so it may not work for you. Although my nails do typically get to about an inch or two past my finger before they crack.What should i use to keep my long natural nails from splitting or breaking?
Hard AS Wraps gel by Sally Hansen

whiteheads