When it comes to how to strengthen nails, Samer Jaber, MD, a board-certified dermatologist in New York City, says to “avoid excessive water exposure, as it can soften your nails.” With overhydration, our nail beds expand as water is absorbed, then contract as the moisture evaporates, leaving them noticeably flimsy and prone to peeling. To keep your nails from getting soft, always wear rubber gloves when you wash dishes, and minimize time spent in hot showers and swimming pools. Aside from keeping them dry, these 14 tips will keep your nails healthy and beautiful.