Make sure you rub your scalp, (not scratch) when you wash your hair. That will help stimulate the growth areas. Other than that, all you can do is live your life, and try not to let it get to you.

1. During the last 3 years, OK 2, how have you been styling or have you been straightening & dyeing or highlighting your hair?
Google FDA website Hair dye & relaxers. Those are 75% the reason why.

2. Have you been taking supplements or using hair oil? Supplements ($ 42 billions are wasted and could hurt your lungs, liver, organs). FDA has found that from face creams to soaps and other items of personal care, cosmetics companies are taking the general public for a ride. Oil could be coming from eels or shark. Another 5% why. CNN, Slate, Consumer Reports, MSN, YAHOO have posted them online for years how people spend $ 20 billion per year on vitamins and supplements.  According to Everyday Health, here’s an article that will tell you why . . . those PRODUCTS by any other name do NOT WORK.  It is false advertisements. Google: Are Supplements Good For You? About 7,430,000 results (0.15 seconds) Google: Are vitamins & supplements good for you? About 4,250,000 results (0.14 seconds) Some can actually shorten your life! The Food & Drug do not approve of them!

3. Have you been stressed out or changed your diet? Genetics of balding runs in your family? Another 10% why.

4. Have you been taking medications with testosterone, certain antidepressants, menopause, anti-acne? Even birth control pills can cause hair loss. The medication most often prescribed for thyroid disorders can actually cause hair loss. Another 10% why you have hair falls.
Eliminate the cause and your hair will improve.

Dove hairfall facts
1. Humidity makes hair dry and brittle, leading to hairfall
2. Colouring the hair damages the hair strands leading to breakage
3. Pollution is also an unseen killer of healthy hair
4. Tangled hair is the most common reason for hair fall
5. While shampooing cleanses your hair, regular conditioning is required for adequate moisturization. Regular use of conditioner post shampoo also solves the problem of entangling which is the major cause of hairfall.

Eliminate the cause and your hair will improve.

Source(s):
I know hair. I have over 4 decades of hair know-how. I have silky, shiny, soft, smooth very healthy hair down to my knees. Previously damaged by perming & dyeing in the 80′s & 90′s. I’ve known people in their 30′s whose hair stopped growing from ironing their hair in the 70′s.