Caleb Foster
Fingernails are made of the protein keratin and flattened cells. The nail plate, or the top part of the nail, is naturally translucent. Healthy nails are transparent and look pink because of the vascular activity under the nail plate. The pink area you see on your nails is the nail bed, which provides a constant flow of moisture and oil through the nail plate. Nails that are opaque white are dry, and the whiter they are, the drier they are. This can be caused by frequent contact with water, which can strip the nails of their natural oils.
| Characteristics | Values |
|---|---|
| Cause | Nails turn white when they dry out due to a lack of hydration from the nail bed. |
| Frequent contact with water can strip nails of their natural oils, causing them to become more translucent. | |
| This can also be caused by genetics, health, and natural nail thickness. | |
| White lines may indicate that nail growth has temporarily stopped and then resumed, possibly due to stress, illness, or medical treatment. | |
| Treatment | Cuticle oils or gummy vitamins can be used to keep nails healthy. |
| Acetone-based nail polish removers can strip nails of their natural oils, so acetone-free alternatives should be considered. | |
| Frequent hand-washing can cause nails to become translucent, so this should be avoided. | |
| Severity | Clear nails are not necessarily a concern, but they may be related to environmental factors, chemical exposure, weather, or frequent hand-washing. |
| Changes to nail colour or texture may be a sign of certain environmental factors, injuries, or medical conditions. |
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What You'll Learn
Nails are made of translucent keratin protein
Nails are made of a tough, rigid protein called alpha-keratin, a polymer also found in the claws, hooves, and horns of vertebrates. Keratin is a protective protein that forms the cells of hair and skin, as well as nails. It also forms cells that are a key part of many glands and that line internal organs. The nail plate, or the top part of the nail, is made of translucent keratin.
The nail consists of the nail plate, the nail matrix, and the nail bed below it, along with the grooves surrounding it. The nail matrix is the active tissue that generates cells. These cells harden as they move outward from the nail root to the nail plate, which is why the part of the nail that can be seen consists of dead cells. The nail matrix is the part of the nail bed that is beneath the nail and contains nerves, lymph, and blood vessels. The matrix produces cells that become the nail plate. The width and thickness of the nail plate are determined by the size, length, and thickness of the matrix, while the shape of the fingertip bone determines whether the nail plate is flat, arched, or hooked.
As new nail plate cells are made, they push older nail plate cells forward, and in this way, older cells become compressed, flat, and translucent. This makes the capillaries in the nail bed below visible, resulting in a pink color. The lunula, or "small moon," is the whitish crescent-shaped base of the visible nail. The lunula appears white due to a reflection of light at the point where the nail matrix and nail bed meet. The nail bed is the skin beneath the nail plate.
Healthy fingernails are smooth and appear in different colors as they grow out. They are actually transparent, and the color changes are due to the clear nail exposing colors underneath the nail plate. The nail appears to be pinkish because of the vascular activity under the nail.
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Nail colour changes can be caused by environmental factors
Healthy nails are typically transparent, and their colour can vary from white at the base, pink in the middle, and white or clear at the tip. The pink colour is due to the vascular activity under the nail bed, which provides a constant flow of moisture and oil through the nail plate. Nails are made of the translucent keratin protein, and the colour of the free edge that extends past the fingertip depends on how much of the inner cell material stays in the nail plate cells as they continue to grow.
In addition to environmental factors, nail colour changes can be caused by injuries, infections, or medical conditions. White lines on the nails, for example, may indicate that nail growth has temporarily stopped and then resumed, which could be due to stress, illness, or medical treatment. Nails that have turned white and lifted from the nail bed may indicate a fungal infection, an injury, or an autoimmune condition such as psoriasis. However, not all changes to nail colour are a cause for concern, and healthy nails will typically change to white beyond the nail bed as they dry out.
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Frequent hand-washing can cause nails to become brittle
Healthy nails are transparent and look pink due to the vascular activity underneath. The nail plate, or the top part of the nail, is transparent because the flattened cells don't have nuclei. As nails grow out beyond the nail bed, they usually change to white, which is a sign of healthy nails.
To combat the effects of frequent hand-washing, it is recommended to wear gloves when possible, such as during cleaning, food preparation, and dishwashing. This helps to reduce direct contact with harsh chemicals found in detergents and cleaning fluids. When choosing a soap for frequent hand-washing, opt for a hypoallergenic option that is free from perfumes and irritants. Use cool or warm water instead of hot water, as this can help prevent further dryness.
Additionally, moisturising is crucial to combat dryness and irritation caused by frequent hand-washing. Choose a hypoallergenic, allergy-free lotion, cream, or ointment, and apply it to your hands and nails after washing. Before bed, moisturise your hands, feet, and nails to keep them hydrated while you sleep. In severe cases of dryness, apply moisturiser under cotton gloves and wear them overnight to lock in moisture.
It is also important to maintain a healthy diet, as this provides the nutrients necessary for skin maintenance, nail growth, and strength. Consider taking supplements such as zinc and essential fatty acids to support nail health.
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White nails are a sign of dryness, not hydration
Nails are made of keratin, a translucent protein. Healthy nails are semi-transparent, and the pink area visible on nails is the nail bed below the nail plate, which provides a constant flow of moisture and oil. As nails grow beyond the nail bed, they usually change to white, which is a sign of healthy nails.
Frequent hand washing, exposure to water, and the use of nail polish remover can strip nails of their natural oils, causing them to become more translucent. This can be addressed by using cuticle oils or taking gummy vitamins for nail health.
While clear nails are not necessarily a cause for concern, drastic changes to nail colour or texture may indicate a medical issue. In some cases, white lines on the nails may indicate stress, illness, or medical treatment, while transparent nails lifting from the nail bed may be due to a fungal infection, injury, or autoimmune condition.
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Clear nails can be a sign of good health
Healthy fingernails are smooth and exhibit different colours as they grow out. They can look white at the base, pink on most of the nail, and white or clear at the tip. Clear nails are a sign of good health because they indicate proper moisture levels and adequate nutritional intake. Well-moisturised nails are more translucent, and a balanced diet is critical for nail health.
However, it's important to note that not all nail colours indicate good health. Discolouration or changes in texture may signal environmental factors, injuries, or medical conditions. For instance, yellow nails can be caused by smoking, nail lacquers, or acrylic nails. They may also be a sign of yellow nail syndrome, which is associated with respiratory issues and limb swelling. Additionally, black discolouration or painful growth on the nails may indicate melanoma, a type of skin cancer.
While most nail issues are benign or treatable with home remedies, some may indicate underlying health conditions. Horizontal ridges, or Beau's lines, can result from reduced nail matrix activity or underlying illnesses. Vertical ridges are usually a normal sign of aging. Clubbing, where the ends of the fingers swell and the nails become curved and rounded, can be a sign of liver or kidney disease, lung disease, or gut disorders.
In summary, clear nails can indeed be a sign of good health, indicating proper nail moisture and nutrition. However, it's important to monitor any discolouration or texture changes and consult a healthcare professional if you have concerns about your nail health.
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Frequently asked questions
Healthy nails are typically translucent, made of keratin protein. The pink area seen on nails is the nail bed, which provides a constant flow of moisture and oil. Nails will appear white when they are dry.
To prevent nails from drying out, refrain from frequent hand-washing and the use of nail polish remover. Cuticle oils and nail vitamins can also be used to keep nails healthy.
While drastic changes to nails can be a sign of a medical condition, transparent nails are not necessarily a concern. However, nails may turn white due to a fungal infection, injury, or an autoimmune condition.
