When arriving at the nail salon, the nail technologist should be the first to perform a nail diagnosis. It should find out the condition of your nails and determine if it is appropriate to apply nail modeling to them or rather start treatment first.

This is because non-standard factors (brittle, brittle, weak, damaged, dry or, conversely, very greasy) can affect the adhesion of the material and may not hold everything as it should.

Nail diagnosis

But we should be interested in nails even if we are not going to visit any salon.

What is a nail, a nail plate, its composition, we have already written it all down. In this article, we will look at a slightly deeper issue that our fingernail can tell us.

Nails are a mirror of our health and can easily identify diseases and problems that bother us, but also those that we may have no idea about.

Nails are the horn plates that protect the last joints of the fingers from the dorsal side and also the place where the body's health is displayed. This method of diagnosis has been used for thousands of years by traditional ancient Chinese medicine.

The normal nail is a little longer than shorter, it is pink in color and at its root there is a white mass in the shape of a crescent, which is one-seventh to one-eighth of the length of the nail. The toenails grow at a rate of about one millimeter per week, the toenails are thicker and grow more slowly.

normální nehet

The appearance, color and structure of the nails speak for your health - of course, unless it is the result of some mechanical damage. White spots, bumps or frayed ends may indicate that a disease is developing in the body. Nails will show diseases of the liver, lungs and heart, according to them you can also recognize cancer!


  • the smaller and shorter the nails, the more their owner tends to have heart problems
  • the more brittle they are, the worse the condition of the bones is or will be
  • brittle nails also suggest some of the diseases of the thyroid gland

Nail changes can mean many different things, but sometimes they don't have to mean anything at all. The only reason for the accelerated solution is a black stripe in the cornea of the nail, which can be a signal of a really dangerous tumor. If it is not the result of an accident (so-called bed bugs), notice immediately. These dark or straight black streaks in the nail cause melanoma, the most dangerous type of skin cancer.

black stripe  melanoma

Diseases according to the structure of the nails

The shapes of the nail plates can be either congenital or a manifestation of skin diseases or even general ones. However, a clear cause is very difficult to find - for example, a change as typical as a spoon-like to cup-shaped appearance of the nail can occur in anemia - iron deficiency, but it can also be congenital.

lžičkovitý tvar

Vertical streaks on the nails are quite common with increasing years. As we age, cell transformation - the process by which new skin cells are formed and dead cells are replaced - slows down. This can affect the smoothness of our nails.

Note other symptoms: such as anxiety, weight loss, swelling of the legs or excessive urination, may be associated with anemia - iron deficiency. If you suspect that iron deficiency may be a problem, see your doctor for blood tests.

Longitudinal lines indicate a problem in the digestive system. Thumb grooves are common in smokers. If the nail surface is rough or bumpy, it may be the first sign of psoriasis or rheumatoid arthritis. Psoriasis usually begins on the nails.

čáry  zvlněné-nehty

What does the color of the nails reveal?

Too pale nails are usually just a sign of aging. They are also caused by poor nutrition or even malnutrition, which is now becoming a very common problem. However, they can also mean some serious diseases, such as anemia, heart failure, diabetes, or some liver diseases.

If the nails are generally white, with only darker spots, it is better to have the liver examined - more precisely for one of the types of jaundice. Irregularities and bumps are other symptoms of liver problems.

The most common cause of nail yellowing is mycosis (mold). When deteriorating, the nail bed is also affected, and the nail then grows damaged - it easily shakes and breaks. However, the already mentioned psoriasis manifests itself in a similar way. In some cases, it is also possible to anticipate thyroid disease. Watch for other symptoms: if your nails are not only yellow but also thickening, you are probably looking at an acute nail infection. Thickening of the nail plate, lifting of the nail plate from the nail bed and yellowing are early signs of a fungal infection. If yellowing of the nails is caused by mold, your doctor will prescribe oral antifungals or special nail polish or cream.

Dark nails with a bluish tinge - as well as fingertips on all limbs - warn that your body is struggling with a lack of oxygen. It can be an unpleasant lung disease. It can either be the result of a severe infection, such as pneumonia, or even more serious lung diseases, such as COPD.

White nails - If you notice that your nails are white, you may suffer from severe anemia. It is caused by a lack of iron or even internal bleeding. According to studies, severe anemia usually results in cognitive impairment.


Yellow nails - Yellow nails can mean that you have a fungal infection, such as nail bed inflammation caused by candidiasis. If left untreated, yellow nails can begin to crumble and crumble, as can the nail bed. Yellow nails can also be one of the symptoms of a diseased thyroid gland, swelling or chronic cough.


Pale nails - Pale nails can signal that you are malnourished or starting with chronic heart failure. They may also be pale due to insufficient blood supply to the area. This lack of blood flow can also mean that you have diabetes. According to many doctors, early warning is very important, as diabetes treatment can begin as soon as possible.


Bluish nails - Bluish nails are a signal that your body is not getting enough oxygen. Bluish nails can also be a symptom of Raynaud's disease, and is often associated with pain in the fingers.


Brittle nails

Brittle nails can be the result of frequent soaking and drying of the hands, but can also indicate a lack of certain nutrients. Vitamin A, vitamin C or biotin deficiency is often to blame.

Another common cause: thyroid problems - especially hypothyroidism. The slow thyroid gland slows down your metabolism, which in turn slows down sweat production. Less sweat leads to less moisture on the skin (and nails), which can cause dry / brittle nails. If your nails are permanently fragile, talk to your doctor about testing for possible vitamin deficiencies or thyroid imbalances.

Horizontal stripes / curves

These horizontal stripes, or bends on the nails, are associated with diseases and conditions that suddenly slow or stop the growth of the nails. These include, for example: chemotherapy, diabetes and kidney disease.

Another factor may be zinc deficiency. Zinc is an important growth factor for cells in the body, especially actively dividing cells. Our nails are constantly growing, which requires that the nail cells constantly divide and develop. If we lack zinc, our body sends all the zinc it has to vital organs. This leads to poor nail growth and the formation of these horizontal lines.


Puffy skin around the nail

If the skin at the place where the nail grows up is red and swollen, it is an inflammation of the nail bed. This can be caused either by a common infection with an injury, or it can be the result of lupus erythematosus (an autoimmune disease) or another disease that causes connective tissue damage.


Crescent moon on the nail

The white crescent under our nails is a sensitive and very important part of our fingers. Therefore, you should be careful with this part of your finger and try not to damage it in any way. In Latin it is called Lunula, meaning "little moon". It is basically a visible part of the root of the nail.

Try to avoid damaging this part of the nail, because otherwise you risk permanently deforming the appearance of the entire nail.

Nails are very often indicators of various diseases. Do not take your body's signals lightly. Changes in the nails may not always be a sign of a serious illness, but if you notice them, it is advisable to solve this problem in time with a specialist who will determine what this abnormality means.



Not every abnormality on our nails can mean illness. It is also quite likely that we may be allergic to an ingredient in products used to beautify your hands. It's not common, but sometimes someone gets annoying problems.

You can have allergic reactions from the application of artificial nails, primers and topcoats, hardeners, plasticizers and hardeners. Solvents can also cause asthma and their effect on pregnant women is unclear. In particular, pay attention to the following substances: ethyl methacrylate, benzophenone, ethyl cyanoacrylate, trikesyl phosphate, toluene, formaldehyde resin sulfonamide (TSFR), thermoplastic resin and nickel.

A major allergen contained in nail products is HEMA, also known as Hydroxyethylmethacrylate, 2-Hydroxyethyl methacrylate.

The manifestation of allergy is itching and redness of the affected area. Symptoms of allergies can also appear after exposure to various chemicals (one may be allergic in combination with another) - this is called cross-reactivity. If you experience an allergic reaction, it is necessary to avoid the product next time, because the allergy is permanent and even after further use, the skin will react with itching and burning. Allergies usually appear within 24 hours at the latest.

If you are in the middle of modeling and you feel tingling, burning, your fingers start to swell or tingle, immediately stop modeling and remove already finished nails. It doesn't matter if you are in the studio or at home. Do not take risks and do not play the heroine, your body wisely advises you that this material simply cannot tolerate. So get away with it!


Gel nails before and after

Gel nails cannot be denied the benefits they bring. For almost a month, you have trimmed nails, which you practically don't have to worry about. In addition, you can have them shaped according to your taste, and there are no limits when decorating.

When purchasing gel nails, you will not miss nailing natural nails. It is necessary to take into account that the nails will never look completely nice after removing the gel substitutes, and then you have to pay a lot of care to them if you want to switch back to your natural.

Catches of mold are unlikely, but you'd better avoid dubious-looking businesses. These dubious companies can also work with low-quality materials, and these can completely damage our nails, and their correction and return to quality natural nails is tedious.

Even in quality salons with quality products, the nail will be more or less disturbed. If we decide to take off artificial nails, caring for the natural ones will take a lot of patience.


Our company offers products with which you will be beautiful, which will not destroy your nails, will not burden the body and, on the contrary, will nourish and support growth. In addition, we are preparing a new CARE concept for you, which will focus primarily on nails, cuticles and hands.

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