Not everyone gets the same changes in the hair, some people reach the 60s with hair so plentiful that you want a 20 but some people see faster changes. It all depends on your genes, your lifestyle and how you take care of your hair.

Hair Aging

It is well known that the hair changes with age. These are the most notable changes:

1 – The sign of age is known as graying

2 – The changing hair getting thinner and thereby more susceptible to damage.

3 – Another change is the hair making it less abundant4 – may also be changes in hair texture, for example becoming more straight or curly and changes in the tone of the hair.

5 – The hair becomes more dry. Even if you have had this oily hair can get dry.

The hair changes or ages for various reasons including these:
1 – Hormonal changes in the body. At lower levels of estrogen hair loses vitality, can fall and become thinner making less abundant hair.

2 – Exposure to the elements. The more aggressive has been the exposure to the elements like the sun, so pool water. faster tend to show signs of age. The reason why the gray hairs first appear in the proximity of the face or the crest is because they are more exposed to the sun.

3 – Exposure to chemical treatments like dyes, perms etc. Some people think that these treatments greatly accelerate the aging of the hair.

Source: www.lindisima.com/pelo/pelo-edad.htm
image source: http://rysell.com/uploads/images/rysell%20hairGirl.jpg