1. If you do more manual work, your nails will rub longer and faster. 2. How to maintain your nails. Your nails are about 0. 1 cm long every day. Because your nails are alive, they are also organized. Dry skin and small skin at the root of nails play an important role in protecting nails. If you trim dry skin and nail skin for neat and beautiful nails, it is easy to make your fingers swell. Don't trim dry skin and nail skin is the first principle of protecting nails. Secondly, pay attention to the moisture of nails. Generally, female nails contain 70%~ 120% moisture, which can be supplemented in different ways, such as in vivo and in vitro. The moisture of nails is deeply influenced by the outside world, so dry nails will lose their luster in winter and become whiter and softer after washing. So what effect does nail polish have? Nail polish is made of synthetic resin melted with solvent and mixed with pigments, so it has the function of isolating nails from the outside world. Nails are covered with an impermeable film, so you can't get water from the outside. Don't apply nail polish for at least 2-3 days when your nails lose luster. Let's talk about polishing water. Most women do not care about the quality of polishing water. It is a powerful mixed solvent for melting nail polish. Some polishing water contains strong degreasing solvent. If used improperly, even the oil and water of nails are absorbed. Usually used to remove light water, the front end of the nail is cracked, or the water and oil are insufficient, losing luster and easy to break. It is best to apply nail polish once every 2-3 days, and take the principle of not applying nail polish at least once a week. After removing nail polish, apply hand cream or glycerin and massage your fingertips. This is the basic knowledge of nail care. Diet is also a key factor in determining whether your nails are beautiful or not. Vitamins are very important, especially vitamin A.