These produce finer and finer hair until there is a general reduction in overall density.If your hair loss is patchy you may be suffering from a form of alopecia:Alopecia Areata is an extremely common condition and will affect 1% to 2% of the population at some point in their lives. Most sufferers are children and young adults (below 40 years old), though it can affect people of all ages. The hair loss is sudden and manifests itself in small, smooth-skinned patches that are likely to gradually widen with time. It can also affect the sufferers nails, giving them a pitted, ridged or brittle appearance. The exact cause is still unknown, although current theories include an auto-immune disease, stress or suggest a genetic basis. If the hair loss progresses until all the scalp hair is lost this is known as alopecia totalis or as alopecia universalis if all the body hair is lost as well.Pseudopelade is characterised by the development of small, smooth patches without any clinical changes other than transient erythema (redness). The initial patch is usually on the crown of the head, but can occur anywhere on the scalp. It is generally regarded as a clinical syndrome, which may be the end result of any one of a number of different pathological processes due to a weakened immune system.Hair loss can also have traumatic origins:Chemical trauma can be caused to the hair by bleaching, relaxing, perming or even dying the hair. The chemicals involved in these processes can damage the hairs protein structure, making the hair dehydrated and brittle and often causing hair loss. As well as damaging the hairs protein structure, these chemicals are also not good for the scalp and can irritate it.Traction alopecia is hair loss caused by constant tension on the hair, such as that created by an over-tight ponytail, plaiting or through using too tight rollers to style the hair.If you want to learn more wigs uk, you can click on the web: https://www.yneed.co.uk/