File in a consistent direction to prevent weakening your nails. Filing back and forth severely damages nails over time. Disinfect your nail care tools monthly in 70 percent or stronger isopropyl alcohol. To maintain nail flexibility and prevent nail splits, moisturize your nails after trimming them.

If you like using bold colors, try going “all natural” periodically between wears to give your nails a break.

If you don’t have almond or avocado oil, use lip balm. Cuticle moisturizers are also available for purchase at drug stores and beauty stores. [5] X Expert Source Mia RubieNail Artist Expert Interview. 23 April 2020.

Vitamin B can also strengthen your nails, zinc can help eliminate white spots, and iron can help stop the formation of nail ridges. Vitamins A and C can help make your nails more hydrated and glossy. The recommended daily amount of protein is . 8 grams (0. 0018 lb) per 1 kilogram (2. 2 lb) of your body weight. [7] X Trustworthy Source Harvard Medical School Harvard Medical School’s Educational Site for the Public Go to source There is no recommended daily dose of omega-3 fatty acids. [8] X Research source

If you frequently wash dishes, garden, or clean with harsh chemicals, try wearing rubber or plastic gloves that can protect both your skin and fingernails from undue stress.

Try protecting your nails by painting a layer of clear gel on them, which may be more difficult to bite through. You can also try using a nail polish that tastes bitter, so that the nasty taste discourages you from nail chewing. [11] X Trustworthy Source American Academy of Dermatology Professional organization made of over 20,000 certified dermatologists Go to source

If you absolutely need to make your nails appear more elongated, carefully push your cuticles away from your nail tips with the flat edge of a wooden orange stick. [13] X Research source It is a myth that regularly cutting your cuticles means they will grow faster when you stop.

Acrylic and gel manicures are hard on your nails, and the UV light used to set gel manicures can harm your skin and even increase the risk of cancer. [15] X Research source If you do get a gel manicure, don’t peel it off, as that will tear away layers of your nail too.

You should also see your doctor if your nails stop growing out or start curling. However, vertical ridges running the length of the nail are normal.