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Pigmentaion Loss of Skin
by Irshad •
Wednesday, Nov. 19, 2008 at 6:12 AM
irshadmuhammad5@gmail.com 03334048538
Information about pigmentation, depigmentation and hyper-pigmentation of skin.
Pigmentation of Skin
Process responsible of maintaining the natural coloration of skin is termed as pigmentation of skin. The irregularities in the pigmentation of process of skin are generally termed as depigmentation or hyper-pigmentation etc.
Skin is not only the covering and bordering layering of body it gives great contribution to the beauty and grace of a person.
Depigmentation
More than 2 percent population is suffering from such disease which causes white patches on skin. Why white patches appear in skin, such problems normally referred
as depigmentation of skin. In depigmentation the skin becomes lighter as compared to its surrounding. Example of skin condition causes depigmentation are nevus depigmentosus (quite stable scars may appear any part of body), Pityriasis Alba (a common condition in children), Idiopathic guttate hypomelanosis, vitiligo and white scars due to injuries.
Normally these condition are termed as
pigmentation disorders. Another term hypopigmentation is also resembled as we describe depigmentation.
Hyper-pigmentation
Pigmentation disorder in which dark spot appears on skin and skin became darker as compare to its surrounding is termed as hyper-pigmentation. A common example of hyper pigmentation is melasma in which dark spots appear on the cheeks and top of nose.
Main cause of this is the too much sun exposure.
Melanin
A coloring substance in our bodies is called melanin. It protects body from absorbing harmful Ultra Violet rays. The special skin cells that produce melanin called melanocytes.
Melanin play an important role in pigmentation or depigmentation of skin. If body produce too much melanin it causes hyper-pigmentation and in inverse case if produces low melanin it causes hypo pigmentation in skin.
Most of the pigmentation problems are genetic in nature and run in families. Second big causes of pigmentation disorder is auto immunity.
Vitiligo
Vitiligo is most common skin disorder due to the hypo-pigmentation in skin. Vitiligo causes white patches on skin and it has been observed, in these patches melanocytes (skin cells that produces melanin) cells are not found.
About 2% of the total population is suffering from this pigmentation disorder and the causes of vitiligo are still not known with certainty. However this is understood that the major causes of vitiligo is destruction of melanocytes cells and resulting in the lack of melanin.
Albinism
Albinism is also an example of hypo pigmentation but unlike vitiligo is totally inherited disorder and all the body is universally depigmented.
Source: http://www.antivitiligo.com/vitiligo/things-like-vitiligo.html
this is fine info about the skin condition vitiligo. Vitiligo is the most common skin condition by which a huge population is suffering. However vitiligo is not the only skin condition that causes white spots on skin there are some other depigmentation disorder which also causes spots like vitiligo.
