Fungal infections can also appear to make nails brittle Fungal infections are the most common conditions that cause nail disease. Nails that are infected with Trichophyton rubrum or Candida albicans may become hollow, thickened, brittle, grayish-brown in color or even chipped or deformed. Fungal infections are more likely to occur after nail trauma and should be treated aggressively, especially if you have ringworm. There are also some lesions that are caused by other conditions. For example, in yellow nail disease, the nails are slow growing, hard and thick, and yellowish gray, and the patient often has lung disease. In patients with dystrophic anemia, the nails are pale and bloodless, thin and soft. In patients with visceral lesions, the nails are yellow, green or blackish in color and hard and brittle. In patients with endocrine disorders, the nails are wide and short. These diseases can only be diagnosed after a specialist’s examination. The most likely cause of nail damage is contact with acid and alkaline solutions. Frequent contact with acid and alkaline solutions, organic solvents and detergent solutions can also cause problems such as brittle nails and cross nail grooves. People who often use washing solutions are advised to wear rubber gloves and wash their hands regularly to reduce corrosion. Some people often have ingrown nails, which are nails growing into the flesh. This is mainly due to improper manicure or toenail pressure by shoes for a long time, resulting in pieces of toenail into both sides of the nail perimeter, thus causing pain, inflammation and secondary infection. In order to avoid this situation, first, don’t wear shoes too tight, and cut nails regularly; second, nails should be cut to the right length, not too short, 0.1 to 0.2 cm from the nail bed. Many women like fashion nail, but too much rubbing nails, can cause nail damage, and even cross-infection. Long-term use of chemical potions for nail art will also increase the chances of nail damage and infection. So, finger beauty or do less or even not do. The six nail care tips 1, do not use the nail products containing toluene or formaldehyde. 2, do not let the nails soaked in water (especially soapy water or washing powder water) for too long, when the nails will become fragile after absorbing water. 3.Don’t hit the keyboard with your nails under pressure. 4.Don’t tear the skin of the nail side thorns, it is best to use a nail clipper to cut away. 5.Don’t let the nail groomer use unsterilized utensils to repair your nails directly, because sharing nail repair tools with others can also transmit germs. 6, do not ignore the nail or nail around the epidermis inflammation, once the inflammation should be immediately medicated.