Hair loss is rarely a scalp problem. It is usually a body problem that shows up on your scalp first, which is why the product aisle keeps failing you.
Most people start treating hair loss by buying something. A shampoo, a serum, a gummy. Then six months disappear and nothing has changed, because the product was never matched to the reason.
At Navara Health in Dallas, we work the other direction. We find out why the hair is leaving before we decide what to do about it. Sometimes the answer is a thyroid that has been called normal for three years. Sometimes it is iron stores sitting far lower than they should. Sometimes it is a hormone shift that started quietly in the mid forties. Usually it is more than one of those at the same time, which is exactly why one product off a shelf so rarely works.
What Is Actually Happening
Every hair on your head runs its own clock. It grows for two to six years, rests for a few months, sheds, and starts again. At any moment most of your hair is in the growing phase and a small share is resting. Losing 50 to 100 hairs a day is normal and always has been.
Hair loss happens when that balance breaks in one of two ways. Either a large share of follicles gets pushed into the resting phase at once, which looks like sudden heavy shedding. Or follicles gradually shrink over years, producing finer and shorter hairs each cycle until they stop producing a visible one, which looks like a widening part or a receding hairline.
Those two things have different causes and different treatments. Telling them apart is the first thing a real evaluation does.
The three month rule
If you are shedding heavily right now, the cause was usually something that happened two to four months ago. An illness. A surgery. A delivery. A hard stretch at work. Rapid weight loss. A medication change. Almost nobody connects the two, because by the time the hair falls the event already feels like old news. When we ask what was going on in your life last spring, that is why.
What Commonly Drives It
Low iron stores. Ferritin measures the iron your body has banked. It can be reported as normal and still sit far below what a follicle needs to build hair. This is one of the most common findings we correct, particularly in women who menstruate.
Thyroid function. Both underactive and overactive thyroid push hair into the resting phase. A single TSH value is not a thyroid evaluation, and the fuller panel is where this often shows up.
Hormone shifts. Perimenopause, postpartum recovery, stopping birth control, or starting testosterone therapy all change the signal reaching the follicle.
Inherited sensitivity. The pattern where follicles gradually shrink over years. It affects women as well as men, and in women it usually shows as central widening rather than a receding hairline.
Insulin resistance. Rarely investigated in a hair complaint and frequently part of the picture, especially when thinning is progressing in someone young.
Nutrient gaps. Vitamin D, zinc, B12, and simple protein intake, which matter enormously during rapid weight loss.
Stress and sleep. Sustained cortisol shortens the growing phase. This one is real, and it is also the one most often blamed when something more correctable is being missed.
Scalp conditions. Flaking, itching, and tenderness need treating first. Anything applied to an inflamed scalp underperforms and then gets blamed for it.
How We Evaluate It
Our hair loss lab panel looks at thyroid function beyond a single value, iron and ferritin, vitamin D, B12, zinc, metabolic markers including fasting insulin, and a full hormone picture including androgens. We read those results against optimal targets rather than only flagging what falls outside a standard range.
That distinction is the entire point. Reference ranges were built to identify disease. They were not built to tell you whether a hair follicle will cycle. A value can sit inside the range and still be nowhere near where your hair needs it.
What Treatment Can Include
Once the cause is clear, the plan is built around it. You can see the full hair restoration program for details on what is offered. Depending on what we find, that can include correcting the deficiencies the labs identified, thyroid and hormone optimization, prescription treatments compounded specifically for your pattern of loss through licensed pharmacy partners, and in-clinic scalp treatments that use your own platelets and growth factors to stimulate follicle activity. Microneedling is often layered in, both to stimulate the scalp directly and to improve how well topical treatments are absorbed.
Not every therapy is right for every patient. What you are prescribed depends on your labs, your history, your sex and age, whether you are planning a pregnancy, and what else you are taking. That is a conversation, not a menu.
An honest word about timelines
Hair moves on a follicle schedule, not a calendar. Some treatments cause a temporary increase in shedding in the first several weeks as resting follicles release old hairs to make room for new growth. That is expected. Shedding usually slows around month three, and visible density change generally lands between month six and month twelve.
Anyone promising you faster than that is selling you something. And take baseline photos on day one, because you will not be able to see your own progress in the mirror. Almost nobody can.
Common Questions
Do you treat both men and women?
Yes. The evaluation is similar and the treatment plans differ, because the drivers and the appropriate therapies are not the same.
Will I need labs?
In nearly every case, yes. Labs are what separate a plan built for your cause from a plan built on a guess. Recent outside labs can often be used.
I started thinning after beginning testosterone therapy. Do I have to stop?
Usually not. There are several ways to address it that do not involve giving up your therapy, and this is a conversation worth having before you make that decision on your own.
Is my hair loss reversible?
It depends on how long it has been happening and what is causing it. Follicles that have shrunk are not necessarily gone, which is why earlier intervention preserves more than later intervention. That is the honest answer, and it is the reason not to wait another year.
Can this be done virtually?
The consultation and the medical side can be handled by virtual visit. In-clinic procedures are performed at our Dallas location.
Hair Restoration · PRP & PRF · Microneedling · Thyroid Optimization · Women's Hormone Optimization · Men's Hormone Optimization
Find the cause first.
Hair Restoration Consultation, $100. In clinic in Dallas or by virtual visit.
Book a Consultation(469) 653-3124 · 5301 Alpha Rd, Suite 34, Room 21, Dallas TX 75240
Jessica Boggs, MSN, APRN, FNP-C, ENP-C is the founder of Navara Health, a functional, regenerative, and longevity medicine practice in Dallas, Texas. Medical oversight by Simal Patel, MD.
This article is educational and is not a substitute for individual medical evaluation. Treatment recommendations are made after consultation and evaluation, and not every therapy is appropriate for every patient. Compounded medications are prepared by licensed 503A compounding pharmacies and are not FDA-approved finished drug products. Individual results vary.





