为什么掉头发不掉白发老是掉黑发包括为什么掉头发的具体内容

　　爱美之心人皆有之,头发对我们的重要性大家都知道,但每天洗头梳头的时候掉头发,总担心有一天头发会掉光光,经常掉头发究竟是什么原因呢?

　　掉头发是什么原因1、精神压力大

　　在精神压力的作用下,人体立毛肌收缩、头发直立,植物神经或中枢神经机能发生徐乱,毛囊毛乳头发生大改变和营养不良,从而导致毛发发毛生长功能抑制,毛发进入休止期而出现脱发。

　　掉头发是什么原因2、遗传因素

　　遗传性脱发遗传性脱发,又叫做先天性脱发,遗传自父母的。一般男性呈显性遗传,女性呈阴性遗传。所以大家看到男性朋友脱发的比较多,比较普遍,而女性朋友很少看到有秃头的。

　　掉头发是什么原因3、产后掉发

　　女性产后脱发。一般女性产后头发会掉的很多,这是因为女性荷尔蒙减少造成的。这个一般6个月后会恢复正常,也不用担心,注意好营养均衡,平时多梳理头发就可以了。

　　掉头发是什么原因4、内分泌因素

　　毛发是生长受多种内分泌激素的影响,所以当发生内分泌异常时多引起脱发疾病,最常见的是到毛症和雄激素源性脱发。

　　掉头发是什么原因5、疾病

　　身体疾病身体受病毒,高热对毛母细胞有损伤,抑制了毛母细胞正常分裂,使毛囊处于休克状态而导致脱发,如急性传染病、长期服用某种药物等。众所周知,化疗的过程中,会大量脱发,甚至掉成光头都有可能。另外过度肥胖,虽然不是严格意义上的身体疾病,但是也会导致毛母细胞赌赛,导致营养不良脱发。同样道理,过度减肥就不用说了,肯定会导致身体营养不良,希望大家以身体健康为重。

　　掉头发是什么原因6、物理性脱发

　　长期接触放射源,长时间玩电脑手机,看电视等原因造成的物理性脱发。

　　掉头发是什么原因7、频繁烫染

　　爱美的女性会经常的烫染头发,这样虽然很好看,但是对头发的损伤确是非常大的,头发会变得干枯分叉无光泽,易断裂。减少烫染次数,多做些营养护理,保护你的头发。

　　掉头发是什么原因8、营养不良

　　毛发是身体状况的外在的表现,机体营养不良和新陈代谢异常可引起发质和发色的改变,严重营养不良甚至导致毛发弥漫性脱发。要减肥的女性们,可以通过合理的方式减肥最好不能节食,多注意饮食营养,多吃水果蔬菜,黑芝麻,少吃刺激性食物。以前我以为脱发是年龄的原因，并没有当作一回事，后来看了 姜文清防脱日记 才知道原来脱发是这么严重的事情。他写的文章好多关于脱发问题的知识，想要了解更多脱发问题的朋友可以去百度搜索 姜文清防脱日记 就可以看到他的文章了。

　　掉头发是什么原因9、生活习惯

　　原文:

　　Beauty of life is not a heart, the importance of the hair to us, as you know, but every hair shampoo hair loss, always worried that one day will drop all hair, hair loss is often what reason be?

　　What is the reason of hair loss 1, mental pressure is big

　　Under the action of stress, the body hair muscle contraction, hair, upright, plant nerve or central nervous function, xu big changes in the hair follicle dermal papilla and malnutrition, which can lead to hair hair growth inhibition, hair into a rest period and a hair loss.

　　What are the reasons for hair loss

　　Hereditary hair loss hereditary hair loss, also known as congenital hair loss, inherited from parents. The male is dominant and the female is negative. So you see that male friends have more hair loss, more common, and female friends rarely see bald.

　　What is the reason of hair loss 3, postpartum hair hair

　　Postpartum hair loss for women. The average woman has a lot of hair loss after giving birth, which is caused by a decrease in female hormones. This normally will return to normal after 6 months, also need not worry, pay attention to good nutrition balance, usually comb a hair more often can.

　　What is the cause of hair loss 4, endocrine factor

　　Hair growth is affected by a variety of endocrine hormones, so when endocrine abnormality occurs, it causes hair loss and hair loss, most commonly the hair and androgenic hair loss.

　　What are the causes of hair loss

　　Body disease affected by virus, high fever has damage to the wool mother cell, suppresses the normal wool mother cell division, make the hair follicles in a state of shock and lead to hair loss, such as acute infectious disease, long-term use of certain drugs, etc. As we all know, during the process of chemotherapy, there will be a lot of hair loss, even a bald head is possible. In addition, excessive obesity, though not strictly physical, can lead to hair cell gambling, which can lead to malnutrition. In the same way, excessive weight loss, needless to say, can lead to poor nutrition, and we hope that you will be in good health.

　　What is the reason for hair loss 6, physical hair loss

　　Long-term exposure to radioactive sources, long time playing computer mobile phone, watching TV and other causes of physical hair loss.

　　What are the reasons for hair loss

　　The woman of love beauty will often hot dye the hair, so although very good-looking, but the injury to the hair is very big, the hair can become dry and disused fork has no burnish, easy fracture. Reduce the number of irons, do more nutritional care, and protect your hair.

　　What is the cause of hair loss 8, malnutrition

　　Hair is the external manifestation of the condition of the body, the malnourishment and metabolism abnormality can cause hair quality and hair color change, severe malnutrition even causes hair diffuse hair loss. Women who want to lose weight can lose weight in a reasonable way. It's better not to diet, eat more nutritious food, eat more fruits and vegetables, black sesame, and eat less stimulating food.

　　What are the reasons for your hair loss