My fingernails keep splitting straight down instead of chipping

Everyday activities can contribute significantly to nail splitting. Typing on keyboards, playing musical instruments, or using nails as tools to open packages can all exert stress on the nails. Additionally, habitual nail picking or biting can introduce micro-tears that eventually lead to larger splits.
To minimize trauma, it's advisable to maintain short nails and use the pads of your fingers instead of your nails for tasks. Wearing gloves while performing manual work can also provide a protective barrier, reducing the risk of splits.
4. Dryness And Dehydration: When Nails Lose Their Flexibility
Just like skin, nails require moisture to remain flexible and resilient. Dehydration, whether from insufficient water intake or environmental factors, can lead to brittle nails that are prone to splitting. Exposure to harsh soaps, frequent hand washing, and dry weather conditions can strip nails of their natural oils, exacerbating the problem.
Incorporating a good hand and nail care routine with moisturizing creams or oils can help maintain nail health. Products containing ingredients like lanolin or jojoba oil are particularly effective at sealing in moisture and preventing splits.
5. Nutrient Gaps: Iron, Biotin, And Other Deficiencies Linked To Splitting
Nutritional deficiencies can manifest in various ways, including through the condition of our nails. Iron deficiency, for instance, is a common cause of brittle and splitting nails. Similarly, a lack of biotin, a B-vitamin, can result in weak nails that are more susceptible to damage.
Ensuring a balanced diet rich in vitamins and minerals can help maintain healthy nails. Foods high in iron, such as red meat, spinach, and legumes, as well as those rich in biotin, like eggs and nuts, should be included in your diet. Supplements can also be considered, though it's best to consult with a healthcare provider before starting any new regimen.
6. Aging, Genetics, And Naturally Brittle Nails 

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