Another shampoo which is part of a “system” that includes conditioner and serum. And it’s yet another shampoo which has worked well on its own for many people. The HairGenesis shampoo (and the other products) contains a proprietary formula that is patent-pending, and the company says that the goal of the shampoo is to prepare hair for “maximum growth potential.” It also uses a lot of impressive sounding phrases to describe what the HairGenesis shampoo does.
Re the post 10/17/18 I really liked your response to the request made by one of your readers to email companies asking for information. So I decided to do what you suggested and sent emails to Organ Technologies, Rivertown and Follicum (no particular reason) basically thanking them for their work and wishing them success with their products. Interestingly I received a very nice response from Organ Technologies which really surprised me. Correct me if I’m wrong but I think the sentiment is to be thankful and encouraging to what is being done appose to being negative that we have yet to get what we all want.
The third and fourth stages are known as telogen and exogen, respectively. In telogen, the hair is supposed to be at "rest" until it finally detaches itself from the follicle and enters the exogen or shedding stage. Once the hair is detached from the follicle, the follicle remains inactive for about three months, after which a new cycle begins again.
Things get interesting when we discover a patent which was filed by Sangamo in May 2017 titled “Targeted Treatment of Androgenic Alopecia.” As with virtually all patents, the lengthy text of the patent is difficult to read or to create a concise summary from. An intriguing aspect of this news is Sangamo works in several technology spaces, including previously mentioned genome editing and gene therapy, either would make an advanced type of hair growth therapy we have never seen before. One caveat to mention is the company’s pipeline does not currently display any indication for alopecia, meaning the therapy is not fully developed yet, so it will be some time before trials begin. We certainly hope to hear more from Sangamo Therapeutics as soon as possible about their interesting development for hair growth technology.

Hair loss is more common than you think and it can happen to anyone. According to Michele J Farber, MD of Schweiger Dermatology Group in NYC, causes range from, “androgenetic or hormone-related hair loss, stress related-hair loss, also called telogen effluvium, and dandruff. Medications, vitamin deficiencies, thyroid disorders, excess styling, and autoimmune disorders can also cause hair loss and thinning.” But the good news is, there are viable solutions, starting with topical growth treatments.
There have been recent discussions on Italian hair forum websites that indicate the Brotzu lotion may very well be moving ahead and preparing for imminent release. After commenter “Ahmed” brought it to my attention, I went back to check the Bellicapelli forum (the site which had the information on the Brotzu presentation at the Sitri Congress in April). I found a response from user “carlitos71” on this page which seems to display the new theories on the Brotzu lotion.
The most common form of hair loss is androgenetic alopecia, or, in other words, male or female pattern baldness or hair loss. Androgenetic alopecia is genetic and affects an estimated 50 million men and 30 million women in the United States. Among white women in the U.S., an average of 19% are affected by female pattern hair loss, but that percentage increases with age. The prevalence is nearly doubled in Australia at 32% and much lower in Korea and China at < 6%. As of 2015, no studies had been done on the prevalence of female pattern hair loss in Brazil or Africa.
Finding the best hair loss shampoos for men can sometimes feel like a wild goose chase. In this article, We have done the heavy lifting for you and identified the best options and put them alI in one place. Interested in keeping that silky mane flowing strong? Shampoo is a big part of how you care for those luscious locks and the scalp underneath. It makes sense that you wouldn’t want to use just any shampoo, especially if you’re battling balding. Your hair deserves better. Read on my friend.
Lipogaine Big 3 does contain ketoconazole, but only a couple other hair loss/thinning related ingredients. Their Big 5 does not contain ketoconazole, but it does contain a proprietary mix of 17 ingredients for hair loss/thinning. It seems to be a more complete shampoo overall, aside from the hair loss aspects. My initial thought is to go with a combination of Big 5 and Nizoral.
McElwee is an associate professor in the Department of Dermatology and Skin Health at the University of British Columbia (UBC) in British Columbia, Canada and director of the Hair Research Laboratory in the Vancouver Coastal Health Research Institute (VCHI) at Vancouver General Hospital (VGH). A hair research scientist, McElwee is one of only a small group of research scientists worldwide who studies hair biology and associated diseases.

The more upsetting problem is central centrifugal cicatricial alopecia, a type of baldness that starts at the crown of the head and spreads outward. "It's hugely, hugely difficult," said Susan Taylor, a dermatologist at Penn Medicine who specializes in treating women with CCCA. "It affects quality of life." She said it is seen "almost exclusively" in women of African descent. One study found it in 10 percent to 15 percent of black women, but Taylor thinks it's more common. "I could see women all day, every day, with this problem," she said.
DH—or as it’s less commonly known, Dihydrotestosterone—is the bodily byproduct that (in the TL;DR explanation) shrinks hair follicles until they’re so thin and short they just fall out. Keranique’s unique blend includes a DHT-inhibitor, which penetrates the scalp and follicles to deliver a keratin amino complex, developed to add resilience and protection. This one can contribute to improved texture, healthier strands, and yes, even new growth.
Key features: Dr. Zeichner recommends the Keratin Oil Shampoo and Conditioner by OGX for thinning or fine hair that needs the extra strength. This budget-friendly option uses keratin proteins mixed with argan oil to nourish, condition, and strengthen strands, and it's only $16 for the set. The smoothing formula can also increase elasticity for less breakage and split ends.

Telogen effluvium is a nonscarring, noninflammatory alopecia of relatively sudden onset, with similar incidences between sexes and age groups. It occurs when large numbers of hairs enter the telogen phase and fall out three to five months after a physiologic or emotional stressor. The list of inciting factors is extensive and includes severe chronic illnesses, pregnancy, surgery, high fever, malnutrition, severe infections, and endocrine disorders. Causative medications include retinoids, anticoagulants, anticonvulsants, beta blockers, and antithyroid medications; discontinuation of oral contraceptive agents is another possible cause.17

Over the past year, the Hair Restoration Laboratories’ Professional Strength DHT Blocking Hair Loss Shampoo (and accompanying DHT Blocking Hair Loss Conditioner) has been a top seller on Amazon and many other sites. Combined, the daily use Shampoo and Conditioner has more DHT blockers than any shampoo/conditioner set presently available. Among the key DHT Blockers in this set are: Caffeine, Saw Palmetto, Black Cumin Seed Oil, Cayenne Fruit Extract, Rosemary Leaf Oil, Pumpkin Seed Oil, Green Tea Leaf Extract, Pea Extract and many more. By helping to block DHT, they should be a great asset in helping to halt the miniaturization of the hair follicles and regrow healthier and thicker hair.
The trick about all of these hair-loss products and treatments is that they’ll stop working as soon as you stop using them. “They have to be ready for a lifetime commitment,” says Rieder. But, just like brushing your teeth, as long you keep on keeping on with the scientifically proven preventative treatments, those hairs on your head should be just fine.
DH—or as it’s less commonly known, Dihydrotestosterone—is the bodily byproduct that (in the TL;DR explanation) shrinks hair follicles until they’re so thin and short they just fall out. Keranique’s unique blend includes a DHT-inhibitor, which penetrates the scalp and follicles to deliver a keratin amino complex, developed to add resilience and protection. This one can contribute to improved texture, healthier strands, and yes, even new growth.
Rogaine and Propecia, the only commercial hair-loss products that have ever been proven to work, were both discovered accidentally. Rogaine, a topical product known as minoxidil in its generic form, was originally developed as a blood-pressure drug. Scientists do not fully understand its efficacy, but the working theory is that minoxidil protects the dermal papilla from DHT. Propecia, or finasteride, was originally developed as a treatment for enlarged prostates. It inhibits the creation of DHT. Both products have drawbacks. In order to be effective, minoxidil must be applied daily. Because of the hormonal imbalance that finasteride causes, women can take it only if they are postmenopausal. If you stop taking either drug, you will quickly lose the hair you would have lost in the duration of your usage. (Recently, on the actor Dax Shepard’s podcast, Ashton Kutcher confided that he’d stopped taking finasteride. With awe, Shepard said, “I just think that’s so risky of you.”)
SOURCES: George Cotsarelis, MD, director, Hair and Scalp Clinic, University of Pennsylvania School of Medicine, Philadelphia. Andrew Kaufman, MD, assistant professor, department of dermatology, University of California, Los Angeles; medical director, Center for Dermatology Care, Thousand Oaks, Calif. Tom Barrows, PhD, director of product development, Aderans Research Institute Inc., Atlanta. Cotsarelis, G. and Millar, S.E. Trends in Molecular Medicine, July 2001; vol 7: pp 293-301. American Society for Dermatologic Surgery web site. American Academy of Facial and Reconstructive Plastic Surgery web site. American Hair Loss Council web site. Springer, K. American Family Physician, July 1, 2003; vol 68: pp 93-102. Hair Loss Help web site, "Interview with Dr. Ken Washenik from Bosley." Fuchs, E. Developmental Cell, July 2001: vol 1: pp 13-25.
The most notable ingredients of the Big 3 are Biotin (vitamin B7), castor oil, and Emu oil. The latter helps defend against a variety of scalp and skin issues, including inflammation and allergic reactions. It also moisturizes the skin. While you could buy all three ingredients separately, it wouldn’t be very cost effective and why bother if you can purchase them in a product designed for hair loss?
While there can be numerous reasons behind the thinning of your hair, including certain hairstyles, excessive chemical processes, hereditary factors, and nutritional deficiencies, the most common is aging. But why does hair become thin as we age? Well, as we get older so do our hair follicles. With age, the size of hair follicles begins to shrink, meaning the rate of hair growth begins to slow down and, in some cases, ceases completely. Another reason for thinning hair lies in the production (or lack thereof) of estrogen as we age. Aside from regulating the reproductive system, estrogen plays a big part in hair growth. So, when we begin to produce less estrogen, there's less available to stimulate new hair growth (especially after old hair has shed), ultimately resulting in thin hair.
SOURCES: George Cotsarelis, MD, director, Hair and Scalp Clinic, University of Pennsylvania School of Medicine, Philadelphia. Andrew Kaufman, MD, assistant professor, department of dermatology, University of California, Los Angeles; medical director, Center for Dermatology Care, Thousand Oaks, Calif. Tom Barrows, PhD, director of product development, Aderans Research Institute Inc., Atlanta. Cotsarelis, G. and Millar, S.E. Trends in Molecular Medicine, July 2001; vol 7: pp 293-301. American Society for Dermatologic Surgery web site. American Academy of Facial and Reconstructive Plastic Surgery web site. American Hair Loss Council web site. Springer, K. American Family Physician, July 1, 2003; vol 68: pp 93-102. Hair Loss Help web site, "Interview with Dr. Ken Washenik from Bosley." Fuchs, E. Developmental Cell, July 2001: vol 1: pp 13-25.
Telogen effluvium is a nonscarring, noninflammatory alopecia of relatively sudden onset, with similar incidences between sexes and age groups. It occurs when large numbers of hairs enter the telogen phase and fall out three to five months after a physiologic or emotional stressor. The list of inciting factors is extensive and includes severe chronic illnesses, pregnancy, surgery, high fever, malnutrition, severe infections, and endocrine disorders. Causative medications include retinoids, anticoagulants, anticonvulsants, beta blockers, and antithyroid medications; discontinuation of oral contraceptive agents is another possible cause.17
Learn to get used to it. Men with balding hair would like to wear caps as a way to mask or cover-up their thinning hair. But while this is understandable, wearing a cap will not make the issue go away. Rather, by teaching oneself to get used to your new look, the easier it will be to accept and the less awkward you'd feel if you're out in public. Wear a hat only when necessary, that is, if you need scalp protection.

Jimenez, J. J., Wikramanayake, T. C., Bergfeld, W., Hordinsky, M., Hickman, J. G., Hamblin, M. R., & Schachner, L. A. (2014). Efficacy and Safety of a Low-level Laser Device in the Treatment of Male and Female Pattern Hair Loss: A Multicenter, Randomized, Sham Device-controlled, Double-blind Study. American Journal of Clinical Dermatology, 15(2), 115–127.
“Curis (now-dormant company) had performed a lot of studies on targeting the Hedgehog pathway for hair growth with very promising results, however, their compounds caused orthosteric activation of the pathway (turning it on everywhere and robustly which is not safe) vs. Oxy133 which causes a much more regulated and limited allosteric activation of the pathway only in stem cells. This could make Oxy133 a blockbuster. Let’s see what happens.” 
Dr. Carlos Wesley, a hair restoration surgeon in Manhattan, said that women in his practice respond better to P.R.P. than men do, which may have something to do with the fact that women with genetic hair loss tend to have more inflammatory cells around the follicles. From 2013 to 2014, he said, he had an 83 percent increase in female patients, in part because of P.R.P.
To us, that meant any product with zero proven ingredients, case studies, or FDA clearance — which shrunk our list by a whopping 180 contenders. That’s right, there are only three treatments that have actually been cleared by the FDA and supported with clinical studies: finasteride (commonly marketed as Propecia), minoxidil, and laser treatments. And, since finasteride is prescription-only, it left us with two.
Literally jumping right out of the woodwork, the company “HCell” has announced they have been granted an orphan designation from the US FDA for their novel treatment of pediatric alopecia areata. The treatment itself it described as a “topical Injection by regenerating hair through a proprietary blend of commercially procured biologic and autologous tissue.” The company also mentions having a treatment for androgenic alopecia in the works as well. More info to come soon. News release here. 

Jimenez, J. J., Wikramanayake, T. C., Bergfeld, W., Hordinsky, M., Hickman, J. G., Hamblin, M. R., & Schachner, L. A. (2014). Efficacy and Safety of a Low-level Laser Device in the Treatment of Male and Female Pattern Hair Loss: A Multicenter, Randomized, Sham Device-controlled, Double-blind Study. American Journal of Clinical Dermatology, 15(2), 115–127.


Hey Frederique, I removed it because it was no longer available for some reason. I’m not sure how well can these shampoos work if you are going through chemo. How you consulted your doctor about it? Ask if minoxidil is safe for your situation. It may be the best solution for your case since your cause for hair loss is not due to DHT. But please don’t take my word for it, consult with a doctor first.
Thyroid medication. Hair loss as a result of thyroid problems will only be solved by treating the root cause. This means that you need to take medications for hypothyroidism in order to address the hormonal imbalance in the body. The most common medication for thyroid problems is levothyroxine, a synthetic version of thyroxine (thyroid hormone). Since the medication is used to address the thyroid problem and hair loss indirectly, the medication has to be continued even when you've gotten better or your hormone level has gone back to normal in order to continue hair growth.
If you’re looking for an au naturel option, look no further. This shampoo has been an Amazon best seller since 2012. It smells great, lathers well, and has no harsh chemicals mixed in. Pura d’or has elimated all the bad stuff from this shampoo—no Parabens or SLS. It does have a ton of good stuff too! Practically every clinically proven natural ingredient that aids against hair loss is packed into this shampoo. Nettles extract, he shou wu (fo-ti), argan oil, B vitamins, biotin, and saw palmetto.
Thinning hair in women is worth investigating for more than its impact on physical appearance. While many conditions that lead to temporary hair loss will go away without treatment or with simple lifestyle measures, others may be signs of potentially irreversible loss or health conditions. Others yet may respond well to treatments to promote regrowth, so starting sooner rather than later is key.
Traction alopecia. Unlike the other two that are caused by genetic or natural factors, this condition is self-caused and occurs most in women. Hair loss happens because of the continuous and constant pulling on the hair that puts pressure on the follicles. Pressure on the hair, brought about by wearing tight hair styles, braiding, weaving, or even hair treatments like bleaching, causes the follicles to loosen their grip on the shaft and eventually cause hair to fall out, leaving bald spots on the scalp or very thin hair strands.
“I also reached out to Histogen and Follicum a few weeks ago as well thanking them for all their hard work in bringing a safe and effective treatment to people all over the globe with hairloss issues and expressed how much we all value these companies. I held back from asking about market release as you had suggested. I received a very nice reply from Histogen.”

“The most common cause of hair loss in both men and women is androgenetic alopecia, which is genetic pattern hair loss,” explains Dr. Michael B. Wolfeld, a board-certified plastic surgeon and an assistant clinical professor of plastic surgery at the Icahn School of Medicine at Mount Sinai Hospital in New York. The root cause of this type of hair loss is dihydrotestosterone (DHT), a byproduct of testosterone that shrinks certain hair follicles until they eventually stop producing hair.
Traction alopecia. Unlike the other two that are caused by genetic or natural factors, this condition is self-caused and occurs most in women. Hair loss happens because of the continuous and constant pulling on the hair that puts pressure on the follicles. Pressure on the hair, brought about by wearing tight hair styles, braiding, weaving, or even hair treatments like bleaching, causes the follicles to loosen their grip on the shaft and eventually cause hair to fall out, leaving bald spots on the scalp or very thin hair strands.
Since PhytoCayne Revitalizing shampoo is so watery, it’s easy to overpour and waste a good amount of this expensive product. That’s one reason we rank it below Revivogen and Nioxin. The more important reason for the #3 ranking is that this shampoo doesn’t do everything that the other two products do. It’s still effective for most users, however, and worth a try.
Researchers from UCLA in the lab of Jing Huang have recently shown that certain molecules which activate the cellular process known as autophagy also drive hair follicles into the anagen (growth) phase. The researchers studied different metabolite molecules and other molecules which are FDA approved and on the market as drugs. The most recognizable drugs from the study were metformin and rapamycin, one is a diabetes medicine and the other an immunosuppressant. Dr. Huang says her lab is looking to study these drugs for human hair growth soon. In my opinion, results from that study are something to look out for. Full article on the Articles page.
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.”
After a severe illness, I lost more than half of my formerly beautiful long hair. Since then, I've tried many shampoos claiming to encourage regrowth of healthy hair. Well, I found it! This shampoo really works. It smells great and has resulted in my hair being stronger and shiny; it no longer breaks easily and my hair stays on my head rather than in the hairbrush! Yay! Be sure to follow the instructions for use. A little goes a long way.

Patients with hair loss will often consult their family physician first. Hair loss is not life threatening, but it is distressing and significantly affects the patient's quality of life. The pattern of hair loss may be obvious, such as the bald patches that occur in alopecia areata, or more subtle, such as the diffuse hair loss that occurs in telogen effluvium. As with most conditions, the physician should begin the evaluation with a detailed history and physical examination. It is helpful to determine whether the hair loss is nonscarring (also called noncicatricial), which is reversible, or scarring (also called cicatricial), which is permanent. Scarring alopecia is rare and has various etiologies, including autoimmune diseases such as discoid lupus erythematosus. If the follicular orifices are absent, the alopecia is probably scarring; these patients should be referred to a dermatologist. This article will discuss approaches to nonscarring causes of alopecia. 

It can be safe provided you use registered, regulated healthcare or pharmaceutical services. LloydsPharmacy Online Doctor offers both Propecia and finasteride for men suffering from male pattern baldness through a safe and discreet online prescription service, and you will be able to order minoxidil or Regaine through our online shop or in one of our pharmacy stores.
“I also reached out to Histogen and Follicum a few weeks ago as well thanking them for all their hard work in bringing a safe and effective treatment to people all over the globe with hairloss issues and expressed how much we all value these companies. I held back from asking about market release as you had suggested. I received a very nice reply from Histogen.”
Hair changes about as fast as grass grows, which is to say it’s extraordinarily slow and not visible to anyone checking impatiently in the mirror every day. But during regular follow-up appointments, Harklinikken uses high-tech equipment to photograph and magnify the scalp and count new hairs and active follicles, which motivates users to adhere to the regimen. Too many people give up on treatments like Rogaine and low-level-light devices before they’ve had a chance to work, Dr. Senna said.

A clinician diagnoses female pattern hair loss by taking a medical history and examining the scalp. She or he will observe the pattern of hair loss, check for signs of inflammation or infection, and possibly order blood tests to investigate other possible causes of hair loss, including hyperthyroidism, hypothyroidism, and iron deficiency. Unless there are signs of excess androgen activity (such as menstrual irregularities, acne, and unwanted hair growth), a hormonal evaluation is usually unnecessary.
Hair loss is often distressing and can have a significant effect on the patient's quality of life. Patients may present to their family physician first with diffuse or patchy hair loss. Scarring alopecia is best evaluated by a dermatologist. Nonscarring alopecias can be readily diagnosed and treated in the family physician's office. Androgenetic alopecia can be diagnosed clinically and treated with minoxidil. Alopecia areata is diagnosed by typical patches of hair loss and is self-limited. Tinea capitis causes patches of alopecia that may be erythematous and scaly and must be treated systemically. Telogen effluvium is a nonscarring, noninflammatory alopecia of relatively sudden onset caused by physiologic or emotional stress. Once the precipitating cause is removed, the hair typically will regrow. Trichotillomania is an impulse-control disorder; treatment is aimed at controlling the underlying psychiatric condition. Trichorrhexis nodosa occurs when hairs break secondary to trauma and is often a result of hair styling or overuse of hair products. Anagen effluvium is the abnormal diffuse loss of hair during the growth phase caused by an event that impairs the mitotic activity of the hair follicle, most commonly chemotherapy. Physician support is especially important for patients in this situation.
Men may also experience some sexual and emotional side effects while taking it: In a study published in the June 2011 issue of The Journal of Sexual Medicine, Dr. Michael Irwig of George Washington University found as many as 92 percent of test subjects reporting problems in the bedroom. The study also reported that “the mean duration of finasteride use was 28 months and the mean duration of persistent sexual side effects was 40 months,” meaning that side effects lingered long after subjects stopped taking the pill.
Hair growth is a giant industry, with estimated annual sales of $3.6 billion. And every one of those dollars goes to products that do not provide actual hair regeneration. Rogaine and Propecia, the market leaders, can slow hair loss, but they don’t grow new hair. They also come with the small risk of serious side effects. In 2011, Men’s Health reported on a Propecia user who “lost all pleasurable sensations in his penis.”

There have been recent discussions on Italian hair forum websites that indicate the Brotzu lotion may very well be moving ahead and preparing for imminent release. After commenter “Ahmed” brought it to my attention, I went back to check the Bellicapelli forum (the site which had the information on the Brotzu presentation at the Sitri Congress in April). I found a response from user “carlitos71” on this page which seems to display the new theories on the Brotzu lotion.


Beware online stores selling Propecia without a prescription.Finasteride is FDA approved, but buying it online without a prescription can be illegal and dangerous. Prescription-free online stores have a reputation for selling placebos or dangerous replacements. We recommend speaking with a doctor about prescriptions or sticking to save over-the-counter treatments.
Re the post 10/17/18 I really liked your response to the request made by one of your readers to email companies asking for information. So I decided to do what you suggested and sent emails to Organ Technologies, Rivertown and Follicum (no particular reason) basically thanking them for their work and wishing them success with their products. Interestingly I received a very nice response from Organ Technologies which really surprised me. Correct me if I’m wrong but I think the sentiment is to be thankful and encouraging to what is being done appose to being negative that we have yet to get what we all want.
You always hear these stories about people who take a homeopathic approach to fighting baldness. It’s always some off-the-wall remedy like smearing a paste of ginger and cayenne pepper on your scalp three times a day or eating a special type of ginseng farmed only in a rural village in Tibet. We'll go on the record to say that it's highly unlikely that these remedies work at any level.
Observe proper hair care practices. The right hair care practices promote a healthy hair growth at the same time as it reduces and prevents hair damage such as breakage. Washing your hair with a mild, preferably natural, shampoo and conditioner with biotin should be an important part of your hair care routine. Go for cool showers instead because hot water can dehydrate your hair strands and lead to dry, thin hair that is easy to break. Lower temperature can help lock in moisture. Limit the use of the blow-dryer.
“Regenerative medicine is a game-changing area of medicine with the potential to fully heal damaged tissues and organs, offering solutions and hope for people who have conditions that today are beyond repair,” Buckler said. “RepliCel is one of the most promising biotech companies to watch in the field of developing medical innovations that are life-changing.”
The Brotzu lotion has been back in Italian headlines over the past week. It’s not clear what has prompted this wave of Brotzu news, but we know there has been significant interest surrounding the lotion since it first spread across the international hair-ternet. Recently, enthusiasts have also gone as far to start an online petition advocating for Fidia Pharma and Brotzu to release the heralded lotion. 
Christiano is more of a skeptic. Lab results are nice, she said, but “you can grow mouse or rat hair sixteen ways till Sunday. They grow beautifully!” She laughed. “Humans, not so much.” She points out that there’s so much we still don’t understand. For one: Why does the hair on the back of men’s heads stick around, even when all the rest drops? She also counsels caution when playing God with hair loss. Some companies are seeking hair-restoration cures by attempting to modify developmental-cell pathways. Those pathways, Christiano says, “are potent, and so it’s tempting, but you have to make sure it’s well enough controlled that you don’t initiate a cancer signal.”
×