How to Fix Brittle Nails with Expert-Backed Strengtheners

Brittle nails affect more than a quarter of women, according to Harvard Medical School. The condition, known as onychoschizia, causes nails to crack, peel, or split easily. Many people leave the problem untreated, even though simple solutions exist.

Nails are made of keratin, the same protein found in the skin’s outer layer. Daily activities like typing, dehydration, and nail-biting weaken them over time. Without care, they become prone to breaking and splitting.

Nail strengtheners offer a way to rebuild and protect damaged nails. These products add an extra layer of defence, helping nails grow thicker and stronger. Dermatologists Dr. Shari Marchbein and Dr. Joshua Zeichner from Mount Sinai Hospital, along with specialists from the British Association of Dermatologists, recommend using them regularly.

Popular options include OPI Nail Envy, Mavala Scientifique K+, and Sally Hansen Hard as Nails. These contain key ingredients like keratin, biotin, calcium, and proteins to moisturise and reinforce the nail plate. Vitamins A, C, and E, along with minerals such as magnesium, further nourish and shield the nails from damage.

With consistent use, nail strengtheners can restore natural nail health. They reduce splitting and breaking by improving overall strength. Experts agree that choosing the right product can make a noticeable difference over time.