The Mystery Behind Brittle Nails: Causes And Solutions

what makes fingernails brittle

Brittle nails are a common issue that can occur due to various factors, including moisture imbalances, repeated damage, and aging. Nails can become brittle when they are too dry or too soft, making them more prone to cracking, peeling, and breaking. Frequent hand washing, exposure to chemicals, and underlying health conditions such as iron deficiency or hypothyroidism can also contribute to nail brittleness. While brittle nails may not always be a cause for concern, seeking medical advice is recommended if home remedies and self-care tips do not improve nail health.

Characteristics Values
Age Nails become more brittle with age due to decreased nail strength and slower growth.
Moisture Imbalance Nails can be either too dry or too moist, both of which can lead to brittleness.
Repeated Damage Frequent hand washing, exposure to water, and the use of harsh chemicals can damage nails and make them brittle.
Nutritional Deficiencies Iron, zinc, and selenium deficiencies have been linked to brittle nails.
Medical Conditions Hypothyroidism, anemia, and Raynaud's syndrome are associated with brittle nails.
Nail Habits Nail biting, over-moisturizing, and excessive use of nail cosmetics can contribute to nail brittleness.
Environmental Factors Cold, dry weather and exposure to detergents and household cleaners can affect nail moisture and cause brittleness.

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Ageing

As we age, our nails can become dull and brittle due to a variety of factors. One reason is the decrease in nail hydration, which can be caused by frequent hand washing, exposure to water, and the use of chemical nail products. The nails lose water faster than the skin, and the constant washing and sanitising can cause them to dry out and become brittle. This is especially true for those who wash their hands frequently, such as doctors, nurses, and homemakers. Additionally, the use of chemical nail products, such as nail polish and acrylics, can wear down the surface of the natural nails, making them more prone to breakage.

To manage brittle nails due to ageing, it is important to take good care of your nails and practice proper nail care. This includes wearing rubber gloves during household chores and insulating gloves in cold, wet weather to protect your nails from the elements. Keeping your nails short and filing them in a single direction can help prevent snagging and reduce splitting. It is also important to limit the use of alcohol-based sanitisers and nail conditioners, as they can further dry out your nails. Instead, opt for moisturising hand creams and nail conditioners with lanolin to replenish moisture and improve nail health.

Additionally, dietary changes can play a crucial role in strengthening brittle nails. Nails are primarily composed of keratin protein, so consuming adequate protein is vital for boosting keratin production and maintaining strong nails. Including iron-rich foods in your diet, such as red meat or spinach, can also help prevent iron deficiency, a common cause of brittle nails. However, if you suspect an underlying health condition, such as thyroid issues or anaemia, it is important to consult a doctor for personalised advice and treatment options.

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Moisture imbalances

Fingernails are made up of layers of a protein called keratin, which also makes up the cells in the hair and skin. This keratin works to protect nails from damage. However, it is not uncommon for nails to become brittle, split, peel, or break.

Brittle nails can be categorized as dry and brittle (too little moisture) or soft and brittle (too much moisture). Dry nails are most commonly caused by the repeated washing and drying of fingernails. This can be due to frequent hand washing or activities such as doing the dishes, which can strip the moisture from the nails. People are also more likely to have dry nails in hot, dry environments or during the winter months.

On the other hand, soft and brittle nails are caused by too much moisture, often due to overexposure to water and cleaning solutions such as detergents and household cleaners. This can be a result of activities such as swimming or washing dishes without gloves.

To combat dry nails, it is recommended to use a moisturizer on the hands and nails during the day or at night before bed. Wearing gloves when washing dishes or using cleaning products can also help prevent further damage and strengthen the nails. For soft nails, applying a clear coat of nail polish or another nail product may help increase nail strength over time.

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Iron deficiency

While the exact mechanism is not fully understood, researchers believe that iron deficiency may lead to spoon nails due to reduced iron levels in iron-containing enzymes in epithelial cells. These cells cover the inside and outside skin surfaces of the body, including the nail bed epithelium between the nail bed and nail plate. Poor blood flow associated with iron deficiency may also contribute to the weakening of the connective tissue under the nail plate, leading to the characteristic spoon-like shape.

Treating iron deficiency can help resolve nail abnormalities. Increasing iron intake through supplementation or dietary changes can lead to improvements in nail health within 4 to 6 months. However, the time frame for recovery can vary depending on the underlying cause and the severity of the condition.

In addition to brittle nails, iron deficiency may present with other nonspecific symptoms such as fatigue and hair loss. If you suspect iron deficiency, it is important to consult a healthcare professional for proper diagnosis and treatment. They may recommend lifestyle changes, specific medical treatments, or procedures to address the condition and improve your overall health, including the appearance and strength of your nails.

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Vitamin deficiencies

Brittle nails can be caused by several factors, including vitamin deficiencies. Nails that break or crack easily can be a sign of a vitamin deficiency. Vitamin deficiencies can cause nails to become softer and more prone to peeling or splitting.

  • Iron deficiency: Iron deficiency can cause low red blood cell levels, which can weaken nails. It is also associated with fatigue.
  • Biotin deficiency: Also known as B7 or vitamin H, biotin is a water-soluble vitamin that plays a crucial role in maintaining the health of nails, skin, and hair. A lack of biotin can make nails softer and more prone to breakage.
  • Calcium deficiency: Low calcium levels can cause horizontal white lines to form on the nails, a condition called transverse leukonychia.
  • Zinc deficiency: Zinc is essential for nail health, and a deficiency can lead to nail brittleness.
  • Vitamin B12 deficiency: Vitamin B12 is important for overall health, including nail health. A deficiency can contribute to brittle nails.
  • Folate deficiency: A lack of folate can cause changes in fingernail pigmentation and potentially nail brittleness.

It is important to note that brittle nails can also be caused by external factors, such as frequent hand washing, the use of nail cosmetics, and exposure to water and sanitizers. Additionally, underlying health conditions, such as hypothyroidism, can also contribute to nail brittleness. If you are concerned about brittle nails, it is recommended to consult a healthcare professional who can advise on any necessary dietary changes or supplements.

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Harsh chemicals

Fingernails are made up of layers of a protein called keratin, which also makes up the cells in the hair and skin. They serve as protection for the fingers and toes. However, it is not uncommon for nails to become brittle and start splitting at the free end of the nail. This can be due to repeated damage to the nails, moisture imbalances, or underlying health conditions. One of the most common reasons for brittle nails is exposure to harsh chemicals.

Additionally, individuals who work with cleaning solutions or detergents, such as house cleaners or dishwashers, are at a higher risk of nail damage due to the harsh chemicals present in these products. The constant exposure to these chemicals can cause nails to become brittle and soft. Wearing protective gloves while handling such products can help create a barrier between the nails and the chemicals, reducing their negative impact.

To counteract the effects of harsh chemicals, it is essential to restore moisture to the nails and protect them from further damage. This can be achieved by using moisturizers or hand creams, especially those containing lanolin or alpha-hydroxy acids, which are known to nourish nails. Applying a clear coat of nail polish or a nail hardener can also help increase nail strength and provide a protective layer.

In some cases, brittle nails may be an indication of underlying health conditions, such as iron deficiency or hypothyroidism. If home remedies and lifestyle changes do not improve nail health, it is advisable to consult a doctor to determine if there are any associated medical conditions contributing to nail brittleness.

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