Nails Facts : Amazing Chemical Composition of nails

Nails are primarily made of a protein called keratin, which is also found in hair and skin. The exact chemical composition of nails can vary based on factors such as age, diet, and overall health. However, in addition to keratin, nails can contain small amounts of other proteins, lipids, and minerals such as melanin, iron, and sulfur.

Here are some interesting nails facts:

1. Nails grow continuously and their growth rate is influenced by factors such as age, hormone levels, and overall health.
2. Nails serve a protective function, helping to keep the fingertips from getting hurt or damaged.
3. Nails are made of a protein called keratin, which is also found in hair and skin.
4. The thickness and strength of nails can be influenced by diet, as a deficiency in vitamins and minerals such as iron, biotin, and Vitamin C can lead to brittle or weak nails.
5. The moon shape at the base of the nail is called the lunula and is the visible part of the nail matrix, which is responsible for producing new nail cells.
6. Nail biting, also known as onychophagia, is a common habit that can be a sign of stress, anxiety, or boredom.
7. Nail polish, also known as lacquer or varnish, has been used for thousands of years for cosmetic and cultural purposes.