脱发洗发水及防脱发护发素的相关信息

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[脱发洗发水&爽发水] [治疗脱发的陷阱-2]

20年前
3,248

[脱发治疗的陷阱-2] 如果被华丽的广告动摇的话就会失败

OB_DDM作为脱发研究俱乐部,在大家在线下华丽的电视广告或诽谤文章泛滥的公告栏上遇到混乱时,起到抓住中心的功能。

[提出问题 - 1] 来！这是大家问的最多的问题。

"我的头发本来就很细，头发很少。脱发不是很严重，只是从预防的角度来看，有没有好的方法呢？" 如果深入分析这个问题,就会发现他迫切希望自己不是脱发。所以希望得到价格低廉的"只用洗发水和护发素就可以"这样的回答。但是，仅凭这个问题就可以进行诊断。纤细的头发和头发渐渐消失的现象说明脱发已经进行了相当长的一段时间。
脱发治疗的捷径是在脱发初期,用正确的产品强力应对,停止脱发,然后致力于维持现状。稍有不慎,如果选错产品或消极应对,失去很多头脑后才惊讶地应对,就会经历很多困难。

[提出问题-2] 所以大家开始关注别人的产品使用后记,华丽的电视广告终于让大家从口袋里掏出信用卡。

香皂果真能治疗脱发吗？
这种肥皂即使是有治疗能力的产品,也无法渗透到脱发最重要的原因--毛囊中。肥皂渗透的条件比洗发水恶劣得多。因此，发达国家不会将脱发治疗剂制成肥皂。

【解决方法】首先要理解脱发原因,寻找能够解决脱发原因的产品。

作为最具公力的机构，美国的FDA在众多产品经过相对容易的阶段1-2个阶段后停止使用假冒FDA等欺骗消费者，因此严格限制假冒FDA批准的产品，同时公布FDA批准的产品。

到目前为止,FDA批准的脱发治疗剂只有Minoxidil和Propecia。

FDA还公布了脱发原因和功效,因为很多产品在脱发原因和功效上欺骗消费者。以下是FDA通过Devera Pine博士的文章公布的关于脱发原因的文章。

U. S. Food and Drug Administration FDA Consumer December 1991 HAIR! by Devera Pine [脱发的基本] 头发是由含有毛根和皮脂腺的毛囊生产的。
头发是由被称为角蛋白(keratins)的蛋白质填充的死亡细胞形成的,这些细胞是将头发的纤维组织拧成绳状制成的。

头发看起来总是长出来，实际上却有着生长期和休整期。
被称为成长期(anagen)的增长局面将持续2年到6年。全体头部的90%总是处于成长期,剩下的10%是被称为"休止期(telogen)"的处于休息局面的头部,将持续2-3个月。
休止期结束后，原有的头发就会脱落，新的头发开始长出来。
纽约皮肤科专业学者Diana Bihova、M.D博士表示,从结果来看,每天有20根到100根头发脱落是正常现象。
虽然不寻常,但包括遗传、减肥、压力和服用药物等在内的很多因素都会改变这种正常的脱发。

[脱发:是命运吗？] 男女最普遍的脱发原因都有遗传倾向。
被称为男性荷尔蒙性脱发(androgenic alopecia)的该脱发,对男性来说,是男性型脱发(male-pattern baldness)女性来说,是女性型脱发(female-pattern hair loss)。
据美国脱发协会(the American Hair Loss Council)透露,遗传性脱发占所有脱发原因的95%。
脱发是由遗传因素和男性荷尔蒙(Testosterone-男女肾脏上的肾上腺生产,男性在睾丸中也生产的荷尔蒙)水平的结合引起的。
如果荷尔蒙水平正常,毛囊就会因为遗传命运而比给定的寿命还要短,变成逐渐变细的头发。
男性荷尔蒙(Testosterone)水平高于女性的男性最终会在头顶脱发,只留下马蹄形状的外围,从而引发脱发。
女性表现出与男性相似的情况或额头不后退,以发缝为中心左右变细、浓密消失的现象,在闭经期之前,女性荷尔蒙有抵消男性荷尔蒙(Testosterone)影响的倾向,但如果女性荷尔蒙的均衡发生变化,就会经历这种脱发。

[日常生活中的危险] 男性荷尔蒙性脱发是永久性脱发,而以下其他因素可能会引起暂时性脱发。例如,在怀孕末期,随着女性荷尔蒙水平的下降,使女性头发严重脱落的脱发,以及中断避孕药2-3个月后出现的脱发也会出现严重脱发的类似结果。这是因为避孕药会带来荷尔蒙的变化。
身体压力或严重的精神压力，如外科手术，也会引起暂时性脱发，无论它是正的还是负的。
暂时脱发的附加清单:把头发拧得太紧，压迫头发的行为可能会引起脱发。
华氏103度以上的高烧经常在6周到3个月后引起脱发。
某些药物引起暂时的脱发. 这些药物包括由维生素A制成的Accutane或含有碘的感冒药、抗抑郁药、几种抗生素、高血压药、兴奋剂、关节炎药、血管洗涤剂、几种降低胆固醇的药物、阿司匹林长期服用、甲状腺治疗剂、化学疗法等。

【资料解说】介绍了迄今为止FDA公布的有关脱发原因的文章。
简而言之,永久性脱发是由遗传和男性荷尔蒙结合引起的,所有脱发的95%以上都属于此。
暂时性脱发介绍了生育脱发、避孕药、服用药物、压力及其他因素。

想知道的是哪个产品最忠实于脱发基础？应该是。
笔者的调查结果显示,这是一款名为"Profesha"的口服药和名为"Levi Bonzen"的涂抹产品。
而李必本健网站和毛发移植相关网站对于脱发的基础信息都进行了比较公平的传递。
笔者希望,大家在脱发治疗的过程中,不要反复出现反复的错误。

[원문]

U. S. Food and Drug Administration
FDA Consumer
December 1991

HAIR!
by Devera Pine

THE BASICS

Hair is produced by hair follicles--indentations of the epidermis (outer skin layer) that contain the hair root, the muscle attached to it, and sebaceous, or oil, glands. Hair is made up of dead cells filled with proteins, most of which are known as keratins. The cells are woven together like a rope to form the hair fiber. The hair fiber, in turn, has three layers: the outer cuticle with its fish-scale-like structure; the cortex, which contains the bulk of the fiber; and the center, or medulla. Hair color is determined by melanocytes, cells that produce pigment. When these cells stop producing pigment, hair turns gray.
Although it seems as if the hair on your head is always growing, hair actually has active and rest phases. The growth phase, known as anagen, lasts for two to six years. At any given time, about 90 percent of scalp hair is in the growth stage. The remainder is in the rest phase, known as telogen; this lasts from two to three months.
Once the rest phase is over, the hair strand falls out and a new one begins to grow. As a result, it's considered normal to lose from 20 to 100 hairs a day, says Diana Bihova, M.D., a dermatologist in private practice in New York City. Only a change in your regular pattern of loss is considered abnormal--but many things, including genetic factors, diet, stress, and medications, can change that pattern.

BALDNESS: MANIFEST DESTINY?

The most common cause of hair loss in both men and women is rooted in a genetic predisposition. Called androgenic alopecia, it is known as male-pattern baldness in men and female-pattern hair loss in women (alopecia is the scientific term for baldness). According to the American Hair Loss Council, genetics accounts for 95 percent of all cases of hair loss in this country.
Baldness results from a combination of genetic factors and levels of testosterone (a hormone produced by the adrenal gland in both sexes and also by the testes in men). If hormone levels are right, then the hair follicles will express their genetic destiny by growing for shorter periods and producing finer hairs. In men, who have higher levels of testosterone than women, this eventually results in a bald scalp at the crown of the head and a horseshoe-shaped fringe of hair remaining on the sides. In women, the hair thins all over the scalp; the hairline does not recede. This type of hair loss doesn't usually show up in women until menopause; until then, estrogen tends to counteract the effects of testosterone.

EVERYDAY HAZARDS

While male- and female-pattern baldness results in permanent hair loss, other factors can cause temporary loss of hair. For instance, the drop in the level of estrogen at the end of pregnancy can cause a woman's hair to shed more readily. Two or three months after a woman stops taking birth control pills, she may experience the same effect, since birth control pills produce hormone changes that mimic pregnancy. A major physical stress, such as surgery, or a major emotional stress--positive or negative--can cause hair loss.
"I've seen women start losing their hair before getting married," says Bihova. Even jet lag can have a similar effect.
In most of these cases, the hormonal imbalance or stressful situation will correct itself, and the scalp will soon begin growing hair again. But, says Bihova, since most women are extremely upset by even a temporary hair loss, many dermatologists treat these conditions with either topical steroid preparations or localized injections of low doses of steroids. Bihova emphasizes that these are local, not systemic, injections of steroids, therefore, the shots do not have the same risk of dangerous side effects as systemic steroids. However, only a board-certified dermatologist should administer this treatment, she says.
The list of causes of temporary hair loss goes on: pressure on the scalp from wigs or hairdos that pull too tightly can cause it. A fever of 103 degrees Fahrenheit or more often causes hair loss six weeks to three months later. And some medications can cause a temporary loss. These include vitamin A derivatives such as Accutane, cough medicines with iodides, anti-ulcer drugs, some antibiotics, beta blockers, antidepressants and amphetamines, anti-arthritis drugs, blood thinners, some cholesterol-lowering agents, aspirin taken over long periods, some thyroid medications, and chemotherapy.

Devera Pine is a freelance writer in New York City who frequently writes about health and science.
DEPARTMENT OF HEALTH AND HUMAN SERVICES
Public Health Service, Food and Drug Administration
Office of Public Affairs, 5600 Fishers Lane, Rockville, MD 20857

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