Baldness in men and thinning of hair in women are associated with the aging process. All over the world, people are trying out many solutions to put an end to this problem of hair loss. Though several methods of treating hair loss are available, the easiest and most preferred method by people is the use of hair loss shampoo. The hair loss shampoo reviews on the net testify for the effectiveness of several shampoos in combating hair loss. There are mainly two ways in which a hair loss shampoos work. While some hair shampoos prevent loss of hair, some others encourage growth of new hair.

So, how does a hair loss shampoo work? To understand that, we need to know the answer for two questions – when and how does hair loss occur? Hair loss occurs from the age of twenties to the mid fifties. This is the time when the hormone, Dihydrotestosterone or DHT is produced. When the DHT reaches the hair follicles, it prevents the growth of new hair from those follicles. Some hair shampoos prevent the DHT from reaching the hair follicles and thus stops the damage due to DHT. These hair shampoos are found to be very effective in preventing thinning of hair and baldness.