A little farther up the follicle is the mysterious feature called the bulge. That's where follicle stem cells live. When they get the right set of chemical signals, these self-renewing cells divide. They don't divide like normal cells, in which both halves become new cells that keep splitting and developing. Only one half of the follicle stem cell does that. The other half becomes a new stem cell, and stays put for future regeneration. 

As mentioned above, an autoimmune response is commonly associated with hair loss related to alopecia areata. Patients who have this condition see their body’s immune system attack their hair follicles. The patient’s hair follicles become very small and hair growth begins to stop.  A major symptom of alopecia areata is patchy hair loss, according to the American Academy of Dermatology, which says patients often first notice the problem when they see clumps of hair on their pillow or in the shower.

A hair growth cycle consists of three phases. During the anagen phase, hair grows actively. This phase may last for years. During the catagen phase, hair stops growing and separates from its follicle, which is the structure beneath the skin that holds the hair in place. The catagen phase lasts about 10 days. During the telogen phase, the follicle rests for two or three months, and then the hair falls out. The next anagen phase begins as a new hair grows in the same follicle. Most people lose 50 to 100 hairs per day as part of this natural cycle.


Dr. Curtis says genes and hormones are the leading causes of hair loss.  And it's not just something we face as we age.  She says, "I've seen patients as young as 14-15 years old start having hair loss. It's all dependent on your genetics. Unfortunately the earlier it starts, the more likely it's going to be more severe in nature and the faster it can progress."
*Photograph used with permission of the Journal of the American Academy of Dermatology. This photograph was published in the Journal of the American Academy of Dermatology, Vol. # 60, Gathers RC, Jankowski M, Eide M, et al. “Hair grooming practices and central centrifugal cicatricial alopecia,” 660-8. Copyright Elsevier (2009). Journal of the American Academy of Dermatology.   
Yes, absolutely. There are certain hair treatments, as well as styles, that can trigger hair loss: tight braids, pigtails, hair weaves, and cornrows can all trigger temporary hair loss called traction alopecia. Chemical relaxers; overuse of chemical colorants; hot-oil treatments; overuse of flat irons, curling irons, or even hot blow-dryers can all damage hair at the root, causing it to fall out. If you are experiencing hair loss, its best to schedule an appointment with our office so that we can help diagnose your issue and determine how best to your hair loss.
I’m typing on my iPad so forgive the many mistakes I will make. Thank you so much fornrplying I’ve been wondering where u and Pilar are. And good for u for not visiting. Ive had my moments where I can stay away and eve feel good. I had all of my extensions removed and I think it has affected the way I feel. But bit feels so good for them to be gone! And in all honesty my hair is in even better shape than it was before I got them. My ends are not as wispy as they were. I wore them for two months and they really made me feel better but I could never wash my hair like I wanted and every time my husband touched my head he said when are u going to get these out! Anyway I’ve felt not as good since I had them removed. I like to hibernate but my husband is a social butterfly; I use to be……but we All know how this changes you! Please please let me know how the propecia works. If there are any side affects, etc….like weight gain, moodiness, gloating etc…..there is a lady bin our office on spire and I have been reading the horrific side affects it has and I’m wondering about propecia. I hope u r doing really good. U sounded really strong in ur post and I’m glad. And yes I am deeply depresses over this. I would so get a hair system but my husband is soooooo anti fake anything. Which drives me crazy. I just want to feel better. Have a blessed nite and thank u. Please keep in touch and thank u for replying I felt I would hear from u. Have u spoken to the doc since u ve been on pro?
I am mostly afraid that my boyfriend will leave me now, because he found out last night, and he said he doesn’t mind it. He told me that his great grandma had the same thing. He loves me, or so he says, and acts like he does anyway, but I don’t want to lose him. I know I have had a hard time living with this, and since a friend of mine told him before I was ready to tell him, I’m afraid he thinks I’m keeping secrets, but I’m not keeping them. That’s my only one. I was just wondering if anyone else had this same thing happen to them and how they dealt with it. I am aware that this is not a relationship site, but the problem is the hair loss may scare him away. It is not something that can just be ignored, and I just wanted to know if anyone else out there knows how I feel.

Shedding is never fun — just ask my vacuum cleaner. It’s even less fun when you realize the golf ball size bits of hair you’re tugging out of the roller came from your own head. Oh, the horror! As we get older (yes ladies, this is for you too) our once glorious crown of healthy hair can become brittle, or even worse, be genetically predisposed to jump ship, leaving our poor, bald heads to fend for themselves.
Hi everyone, I am a 19 years old girl that is loosing my hair. I started to lose my hair since I was 14. once 18 I decided to go for a hair transplant surgery. I wanted to feel as any another girl and be confident. I went to bosley may 2007 and did the surgery. They told me it will take 6 to 8 months for my new hair to grow few inches. I went there after 6 and after 8 months but unfortunatly we havent seen any growing hair yet. The doctor told me that it depends from one person to another and it might take me from 12 to 15 months. I went to see him yesterday and by then it was almost 15 months… he walked in looked at my hair didnt say any word for a while and then told me: “I am going to give you your money back” I cried right away for a while I couldnt take it. I haddreams and hope. I imagined my life differently after the surgery. Anyways all that to tell you guys if you wanna go for a hair restoration AVOID BOSLEY. I live in boston nd went to the bosley place in the newbury street. I believed them because of all their advertising. Now i dont even know what to do. School is almost starting and i dont feel like going. I wanna look nice and feel relaxed. I feel the pain every morning before going to school. I cry every night when I get home. I need to find a solution. i thought about extensions but cant go for them cuz i am scared to lose more hair. My God help us!
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I am 31 years old and I been loosing my hair (in the front) for 3 years now. I have seen different 4 different gynecologists and the one I have now she took blood work and other tests and the when all the tests came back everything was fine. I am trying to find a dermologist in my area that accepts my insurance. I just want to know what caused the hair loss and what can be done. It is embarrassing to even go out, when I do go out I make sure that I have a hat on. ????????
Age-onset thinning, or “miniaturization,” refers to a progressive decrease of the hair shaft’s diameter and length. This happens at least in part because of androgens like dihydrotestosterone (or DHT), a derivative of the male hormone testosterone that causes hair follicles to literally shrink in diameter. This type of hair thinning is referred to as androgenic alopecia, and it occurs in an equal pattern all over the scalp. However, pregnancy, ovarian cysts, medications, emotional or physical shock, and birth control pills can all affect hormone levels, making it complicated to pinpoint the reason for hair loss. For example, polycystic ovarian disease can exacerbate androgens and manifest as thinning, in which case you could treat the condition and fix hair loss. Get your hormone levels checked to see if an underlying health issue is the root cause.

i also have learned that most people are low in their vitamin d levels, which may also contribute to hair loss. i actually had labs done to check for my vitamin d level, by a cardiologist. my heart is fine, thankfully, but she did tell me to take 2000i.u. daily of vitamin d3, specifically. when i researched about it, i found the possible hair connection. so i do take that daily. i will also be buying vitamin b6 and 12 and biotin. and i will research the gut connection because biologically speaking, it makes sense. i will return with another post in a few months and update.
The Rogaine rep we spoke to explained that the different packaging (and therefore different prices) has to do with the FDA-approval process: “We discovered in clinical trials that the hair loss patterns between men and women are different,” she said by way of explanation. “Men typically have that bald spot on the crown of their head, where women generally have a general thinning throughout, but concentrated more on the top of the head. So for FDA approval, we had to come up with two different, gender-specific products, so the directions were more explanatory.”
The only nonchemical option offered up by the dermatologists I spoke with — short of a surgical hair transplant or platelet-rich plasma therapy, which is like Kim Kardashian’s vampire facial but for your scalp — was the laser comb. First cleared by the FDA in 2009, the HairMax LaserComb is a handheld laser device that is designed to promote hair growth. As the manufacturer explains in a letter to the FDA, “The device provides distributed laser light to the scalp while the comb teeth simultaneously part the user’s hair to ensure the laser light reaches the user’s scalp,” which, in turn, stimulates the hair follicles.
The views expressed in this article intend to highlight alternative studies and induce conversation. They are the views of the author and do not necessarily represent the views of hims, and are for informational purposes only, even if and to the extent that this article features the advice of physicians and medical practitioners. This article is not, nor is it intended to be, a substitute for professional medical advice, diagnosis, or treatment, and should never be relied upon for specific medical advice.
Hi, I cannot afford to go to see Dr. Redmond even though I live in NY (he’s just too pricy, I have no insurance, etc…) but I’m going to see the ob/gyn towards then end of the month to get help because I’m convinced I have PCOS (literally all the symptoms) and I was wondering, what birth control is best for hair? I’ve read Dr. Redmond’s site before and I could have sworn that Yaz or Yasmin kept popping up in the faqs section or somewhere on that site as good bcp for hair loss. I realize some people experienced hair loss after going off those pills, but if you have hair loss prior to bcp, I could have sworn Dr. Redmond listed those as good at helping hair loss and I thought some women claimed (elsewhere, not on his site) that they’ve regrown some hair after going on Yasmin. Sorry if I’m rambling, but does anyone know? Thanks. If I have PCOS, which I’m sure I do, I’m pushing for Spironolactone because I’ve read of a bunch of women who’ve had great success at regrowing hair with it, and one story on this site about a woman named “Jen” had great results. I think it took her 2 years, and she allegedly grew back 90-95% of her hair (also taking Metformin, dieting and exercising, and using Nizoral shampoo) so I’m trying to remain optimistic. It’s not just being 27 & single that makes me horrified at losing hair, though it doesn’t help, I’d still be freaking out if I was 57. If I could regrow even 30% to 50% I’d be elated. Because ultimately, I’m holding out hope for stem cells to be all of our “saviors.” Lol. There are 3 companies working on adult stem cell therapies for hair loss (from what I’ve seen here and elsewhere, they are Histogen, Follica, and Aderans) not to mention a Cairo Dermatologist who has successfully helped children with alopecia areata/totalis regrow significant amounts of hair, though only in one study and the results are only preliminary. Who knows. But still, fingers crossed that I can get these stupid hormones under control and stop my daily horror at washing my hair and seeing my once beautiful hair fall away. I always took my hair for granted and often complained about it, but I’d give anything for my thick long hair back. I had fine hair always, but tons of it and I always wore it long. Now I wear it pulled back in a bun to hide as best I can all that scalp showing through. Thanks for this site, it’s keeping me from going off the deep end.
Evaluating and treating hair loss (alopecia) is an important part of primary care, yet many physicians find it complex and confusing. Hair loss affects men and women of all ages and frequently has significant social and psychologic consequences. This article reviews the physiology of normal hair growth, common causes of hair loss, and treatments currently available for alopecia. 

Hi I need help I am not sure what doctor I need to see, one day I started to have lots of back pain and my lower left side real bad I went to bed and when i shower lots of my hari started to fall off, I mean I loose my hair but not as much and I just wanted to cry when I saw lots and lots coming out. My hair is so thin now and you can see the bald spots im ony 35 and Im not sure if its my hormones or not. Can someone help me and let me know which doctor is best to see for hair loss
About 2 years ago I lost approximately 50% of my hair and the quality went from thick, strong, straight, healthy hair to thin, weak, frizzy, kinky dry hair that not only sheds but breaks and flakes off pieces at my ends. My skin has become very dry and my nails have become weak also. I went to an endocronologist that put me on 125mg spironolactone which had been increased slowly over a period of a year. He also decided he wanted to give me a layered approach by adding on 2 other medications over a year, one was Glumetza ER 500mg twice a day and Actos 15mg once a day. He said my DHEA was a little high and that these drugs used for off label treatment would help grow my hair back. My hair stopped falling out and a little grew back but the quality of my hair was still very sickly almost like someone on a chemo drug. I was concerned about my liver and stopped taking the drugs, unfortunately my hair started shedding again.
again, she found my testosterone level a tad high, in the 50’s. she initially wanted me to start on both metformin and spironolactone. i am not a diabetic, but apparently the metformin stops testosterone production and the spironolactone inhibits testosterone from absorbing…or something to that nature. she didn’t come out and say that my elevated level was the cause of my hair loss, but she did say elevated levels “could” be the culprit, but that either way she wanted my levels to normalize. makes sense. she listened to me patiently and spent a good amount of time, medically, with me. she ordered labs: not anemic, good iron, good protein, no thyroid problems. the metformin made me sick. she told me to start slowly with each med and that she’d increase it with time, based on my body’s reaction. with spiro you need to have your potassium checked within two weeks of starting it. sadly, i didn’t follow through with the meds because they made me feel so sick and i couldn’t go back to her since i lost my insurance. but after reading all of these posts, i have scheduled another appt with her in a few weeks and will ask her to put me on spiro only and will see if this helps.
"The majority of men lose their hair not through stress, or bad diet, or lack of sleep, but through the genetic trait of male pattern baldness which is hard to treat through shampoos or supplements alone. Women lose their hair for very different reasons, but the argument still stands that a lot of the hair loss products on the market are just offering false hope. That said, there are a few that really work."

The general medical consensus around laser treatments — caps and combs alike — is that low-level laser light therapy stimulates the cells within the hair follicle. These devices may also increase cell metabolism to promote thicker and more durable hair shafts, something that neither minoxidil or finasteride can do. To use the HairMax Ultima, all you have to do is glide the device over your scalp slowly. Treatments should take about eight minutes, and you should do it three days per week for the best results.
Duke’s dermatologists diagnose and treat hair disorders, such as hair loss (alopecia), excessive hairiness (hirsutism), and abnormal hair growth (hypertrichosis). We understand that abnormal hair growth can be distressing and affect your self confidence. We work closely with you to diagnose the cause of your condition, and develop a personalized treatment plan that meets your medical needs, improves your condition, and helps you regain a positive self-image.
I am on Arava and my hair has become extremely coarse, frizzy, and tight tight curls in the back. The sides of my hair are pure frizz and the top is straight, with frizz. It used to be smooth and so easy to manage. Now it takes so long and it looks awful. Anyone find the same thing and anything that helps? I have tried so very many hair products, so has my beautician. She says it is like I have 3 completely different textures on my head.
I understand how you feel, I really do. I’ve spent so much time crying that I’m certain all my tears could have filled up an olympic size swimming pool by now. You must not give up hope, even when it seems there is none. It is so important. Without that I don’t know how I would get by. Once you say what city/state you are in, I really hope someone can recommend a good doctor. I think that is part of your despair, that you haven’t really been heard out by a physician and received the bloodwork you want and are entitled to.
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