You do not need to worry about wearing lace wigs if you are losing between 50-100 hair a day, it is considered normal for people to lose that much in a day anyways, and you'll notice if you have long hair. Losing more than that like in clumps would mean a different problem. But gradual loss of hair as early as puberty to very late in life is common.

For men, it is not uncommon to see the crown of the head exposed with the hair only around the ears and to the back of the head that is why some resort to wearing lace wigs. This is the result of the gradual loss of hair starting at the front of the scalp hairline and forehead and the loss moves gradually to the top of the head.

If it is from the forehead to top for men, for women it starts from the crown. But many women nowadays wear lace wigs for fashion not only due to thinning hair. Some movie celebrities popularized lace wigs for fashion, as you can do to it what you wouldn't dream of doing on to your real hair.

Some generally thought that hair loss is hereditary. Approximately 95 percent of men and 70 percent of women with thinning hair can attribute it to hereditary condition inherited from the mother or father side of the family but more often than not it is caused by other factors like chemicals, poisons and some sort of medical treatment and stress.

The most common cause of loss of hair in people is iron deficiency which can easily be identified and can be treated, by medication and proper diet. Lack of iron has long been suspected of contributing to hair loss but a recent major French study on the effects of nutritional supplements has confirmed the link between iron deficiency and hair loss

Hair loss can also be caused by prescription drugs and some of them cause shedding of hair.

While it has not been definitely verified, emotional trauma that causes stress is another factor in hair loss. Stress from sudden weight loss can also cause hair loss. If it is stress that causes it, remove the stress and it's cause and that should stop the hair loss.

The body's process of regenerating includes renewal of hair. New hair grows in place of the ones that fell out. Though natural, it may be accelerated by a number of factors. Some temporary, like in case of a pregnant woman undergoing hormonal change, and some are more permanent where the only option would be wearing something like a lace wig.