According to a 2022 study, ridges are primarily linked to aging. However, they can also result from neglecting nail care, injuries, vitamin deficiencies, or serious illnesses.
Can nutritional deficiencies cause ridges on the nails?
Certain nutritional deficiencies can indeed affect nails. For example, an iron deficiency can lead to vertical ridges. Other nutrients that influence nail health include zinc, as well as vitamins A, C, and D.
A 2018 study also recommends biotin to improve nail health, but more research is needed to assess the benefits.
How to remove ridges on your nails: 7 helpful tips
Some dermatologists recommend gently filing nails to smooth out irregularities. However, it’s best to moisturize nails, trim them regularly, and consult a dermatologist for further recommendations.
The outlook for people with nail grooves
In most cases, irregularities on the nails are related to the normal aging process. However, it is crucial to monitor the appearance of creases and other changes, as these can be early signs of more serious health problems.