Gray nail is now a common skin disease in society, causing a great impact on people, seriously affecting the appearance of the beautiful, so we all to recognize the causes of gray nail is necessary, so what are the causes of the onset of gray nails? How to prevent gray nail infection more effectively in summer? What are the causes of gray nails? 1, cooks, laundry workers, housewives are more likely to get gray nails cooks, laundry workers, housewives because of the nails for a long time soaked can lead to nail groove inflammation, and then developed to the nail plate and caused the disease. The rate of yeast isolation in diseased nails is closely related to the temperature and humidity of the environment, the site of infection, and gender. Nail yeast infection is more common than toenail, especially in housewives, because hands are often immersed in water, it is simple to present yeast infection. 2, manicure can cause gray nails too many chemicals will make the nail arrangement is constantly subject to foreign corrosion, forming nails more and more weak, at this moment the mold will wait for the opportunity to move, resulting in gray nails. In addition, often painted and commonly used to remove the light water can make the nail deformation metamorphosis, nail bed inflammation, and ultimately become gray nails. In the process of manicure, cutting, grinding and other actions are able to form the soft arrangement of the skin damage, if the use of things without disinfection, it is very simple to form fungi, mold and other germs infection. 3, gray nails are mostly seen in the body’s immune function is low, such as skin and mucous membrane candidiasis, patients with congenital immune deficiency, Candida albicans invasion of the nail groove, nail beds and nail plate caused by nail damage. Long service certain drugs such as anticancer drugs, glucocorticoid hormone drugs, the timing of gray nails can increase, the original ringworm will also expand, intensify. 4, long time wear high heels or small size (compared to crowded) shoes, will increase the chances of infection of gray nails because of high heels or small size (compared to crowded) shoes structural problems, after wearing, will make the foot forefoot force increase, five fingers with each other kneading, simple formation of nail deformation or nail bed and finger flesh peeling phenomenon, when the nail’s health is affected, directly, the chances of infection of gray nails will be greatly increased. Advocate broad brothers, if the work or day without special needs, please timely relax feet, reduce the chances of disease. Symptoms of gray nails: 1, white superficial gray nails Commonly in the toenails. The symptoms of this type of gray nail manifests as white spots on the surface of the nail plate or white 1 mm diameter size patches, the sick nail is brittle and scraped off. This type is only caused by plaster-like trichophyton or mycobacteria, Fusarium and Aspergillus. 2, the distal end of the nail under the type of gray nail The initial performance for the distal end of the nail (side edge) deck surface appears irregular small white spots, and then turned into a lusterless gray spots, and gradually become yellowish brown until black. Soon the nail plate deterioration, under the nail keratin debris accumulation, nail bed thickening. Finally the nail plate becomes atrophic, occasionally bleeding which is also a common symptom of gray nails. This type is often caused by red, plaster-like or flocculent epidermal fungus. 3, the whole nail dystrophy type gray nail This is not rare, often for the above types of the final development of the results. The manifestation is that the whole nail loses its luster, deteriorates, thickens or crumbles, and leaves an abnormally thickened nail bed after shedding. 4, proximal subnail type gray nail is rare, most secondary to nail groove inflammation. First, the nail plate near the nail fissure (i.e., the proximal end of the nail plate) whitening, and then gradually expand into a spot, and ultimately the local nail plate is missing, expanding to the whole nail. This type is only caused by Trichophyton rubrum and Trichophyton roseum. How to take care of gray nails? 1, diligently cut toenails, cut into arc, nail groove on both sides do not leave toenail tip, do not casually cut nail groove, found toes squeeze each other should be appropriate amount of disinfectant cotton, soft objects into the toe gap, so that the normal development of the toes, the summer gray nail care precautions to prevent compression of the toenail tie into the nail groove. 2, regular push expertise, promote blood circulation, poor blood circulation not only make two hands appear spots, bruises, nails are also green, full of push, strengthen blood circulation, blood activity to the hands and nail beds, so that the restoration of the Kangjiao light. 3, less wear false nails, because the true and false nails between the convenience of buried dirt, to the bacterial reproduction to provide pieces, and real nails are always covered in the false nails, will become fragile and easy to break. 4, wear shoes to choose the size of the appropriate fat and thin, suitable lightweight shoes. Because of the high heels or small size (more crowded) shoes construction problems, wear, will make the foot forefoot force increase, 5 fingers squeeze each other, easy to cause nail deformation or nail bed and finger flesh peeling phenomenon, when the health of the nails are affected, indirectly, the chances of infection of gray fingernails will be greatly increased.