At some Stage of our life, simply 10% of hair is in resting phase. They Fall off inside 2-3 months and the fresh hair grows in a full era of 2-6 years. About 90% of the hair grows on our scalp at a time and They grow at a rate of 1 cm. per month.
Normally hair lasts for two to four years in men and four to six years inside Women.
Hair Internal Structure : Deep In The hair follicle, the hair forms inside a hair bulb and protrube and grow outside.
Several Process of hair improvements like shampooing, conditioning, cutting, sun exposure does not effect the rate of grwth of the hair.
There Are 3 phases of hair growth -
1. Anagen which takes a period of about 1000 days or 3 years.
2. Catagen lasting for 10 days.
3. Tologen for nearly 3 months.
Anagen includes the start of growth of hair and Tologen is the end i.e. trhe shedding phase of hair. The Hair bulb goes on coming outside from the start to the shedding phase. Hair groth is effected by the seasonal changes, i.e. hair grows more faster in winter than in summer since a result of the seasonal change. Inside the Catagen phase, Hair growth is stopped for a small time and no pigment is produced at this time.
The period of Anagen Phase is generally fixed and and is determined genetically and is also responsible for the length of the hair. The no. of Hair Follicles in a human head counts approximately 100,000. All Follicle produces hair for about 20 times in the lifetime. Inside a fresh born baby, the hair follicles grow hair in a Unison, i.e. every at a same era but as era passes, the follicles produce hairs at different times.
If a hair is Plucked from the head, the follicle is not ruptured but it starts to produce a fresh hair. Because age increases, the shedding of follicles is evidently seen inside most of the people in the top of the head and also inside the forehead. The Hair does not grow in a definite straight manner but makes the follicle to stand in some constant angle. Depending on this angle, the Hair are ever set to lie. The Stream is generally in a twisted manner but it is then influenced by the way of combing of hair by citizens.
In conclusion, Hair grows at a slow rate, so utmost care is desired to prevent them from shedding.
