Facts and Figures about Nails
Nails grow by about 1 mm. for a week
The nails on the hands grow in two times faster than toenails.
Every fifth Russian citizen suffers from fungal diseases of the toenails.
Fully nail plate updated within a 90-115 days.
Brittle nails point to the lack of vitamins in the body.
Approximately one-third of children aged 7-10 years, 50 % of adolescents and each of the 11-th adult person have a habit of biting his nails. Stress it is believed that the cause of this bad habit.
The chemical composition of the nail:
Nail plate consists of the following chemical compounds: water, cholesterol and its esters.
Chemical elements: nitrogen, phosphorus, carbon, hydrogen, sulfur, and oxygen.
Microelements: calcium, silicon, magnesium, iron, aluminum, titanium, etc.
1. Water is the main element of the nail. Water is 15-16% by weight of the other elements. Water is responsible for the elasticity and firmness of the nail. Dehydrated nails, broken, cracked, roll.
2. Cholesterol 0,8-1 %, fat-like substances 15-16% responsible for the integrity of the nail, and gluing of plates.
3. Sulfur 5-6% is responsible for the strength of the nail plate. The lack of sulfur nails exfoliated nails.
4. Calcium 0,0007 % is used for the strengthening of the thin plastic is not fragile nails.
Forms of nails
- square
- soft square
- oval
- tons
- stiletto
- triangular
