Insufficient Protein Intake
Because nails are composed of keratin, inadequate protein intake can weaken their structure, slow growth, and increase breakage.
Good sources of protein include:
Lean meats and poultry
Fish
Eggs
Dairy products
Legumes
Adequate protein supports not only nail strength but also muscle health, immunity, and tissue repair.
2. Dehydration and Brittle Nails
Dehydration doesn’t just affect your skin—it can also make your nails dry, brittle, and more likely to split or peel.
Drinking enough water throughout the day helps maintain nail flexibility and supports healthy growth from the nail bed. If your nails feel dry or crack easily, increasing your daily water intake may be one of the simplest and most effective solutions.
3. Environmental Factors That Weaken Nails
Even with proper nutrition, external factors can damage nails over time.
Chemical Exposure
Frequent contact with harsh chemicals—such as cleaning products, detergents, and nail polish removers—can strip nails of their natural oils, leaving them dry and fragile.
To protect your nails:
Wear gloves when cleaning or washing dishes
Choose acetone-free nail polish removers
Limit frequent gel or acrylic manicures
Reducing chemical exposure helps nails retain moisture and strength.
4. Everyday Habits That May Damage Nails
Certain daily habits can silently weaken your nails:
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