On average, the hair grows to about a 1/2 inch per month. This means that the hair can be grown to approximately 6 inches in a year.Know More
There are several factors that also affect the speed of hair growth and these include age, sex and ethnicity. As people grow old, the speed at which the hair grows slows down to as little as 0.1 inch per month.
In a study published in the International Journal for Dermatology in 2005, hair growth in women also differs according to their ethnicity. The study shows that Asian women's hair grows the fastest compared to other races. The average speed of hair growth among Asian women is nearly 6 inches per year.
In comparison, the hair on women with African ethnicity grows only an average of 4 inches in a year and the hair on Caucasian women grows to slightly more than 5 inches in the same length of time. The speed of hair growth on men, on the other hand, does not differ as much as women.
The hair grows due to cell division. As new cells are created at the root, it pushes the hair forward out of the follicle, making it longer. The average human head has approximately 100,000 strands of hair at any given time. Each hair can stay on the head between 1 to 6 years before falling out and a new one is created from the root.Learn more about Hair
In general, human hair grows about 1/2 millimeter per day, which means that it grows about 1/2 inch every month. However, there are variables that affect how much a person's hair grows in a day.Full Answer >
The length that hair grows varies widely, but an average hair growth of 1/2 inch per month is considered normal growth. Regular haircuts help to keep hair growing at a steady pace.Full Answer >
Hair on a human scalp grows as a natural bodily process through cell division, growing an average 0.3 millimeters a day, or a total of 1 centimeter per month. Biological timing staggers natural growth and shed rates in a healthy scalp to prevent "molting," or losing it all at once.Full Answer >
Nappy, or kinky textured hair, grows an average rate of one-quarter to one-half inch per month, the same as any other texture. Taking vitamin supplements claiming to affect hair growth may work to speed up growth, but proper care is required to retain growth gains.Full Answer >