Hair Loss Treatment: What Works—and Where to Start
The right treatment depends on the cause of hair loss, not the product with the loudest promise. This diagnosis-first guide compares established, FDA-cleared, off-label, adjunctive, and surgical options in plain language.
Fast start for hair loss in Los Angeles
I’m not sure what is causing my hair loss
Start with diagnosis. Similar-looking hair loss patterns often need different treatment pathways.
I know I have stable pattern thinning
Compare non-surgical and surgical options together so you can build a sequence that matches your timeline and goals.
I want to evaluate FUE candidacy
Review cause stability, donor condition, and long-term expectations before discussing surgery.
The Short Answer: Treatment Starts With the Cause
For hereditary pattern hair loss, topical minoxidil and oral finasteride 1 mg for eligible men have established FDA-approved uses. Some low-level laser devices are FDA cleared. PRP and several prescription medications are discussed off-label in selected cases, while FUE hair transplantation is a surgical way to redistribute suitable donor follicles.
These choices do not solve the same problem. Medication may help preserve or support follicles that remain; surgery may create coverage where enough native hair is no longer present. Neither should be selected before the pattern and likely cause are understood.
Start With the Diagnosis, Not the Treatment
Hair loss is a symptom with many possible causes. A clinician may review when the loss began, where it is happening, whether shedding is active, family and medical history, medications, hair-care practices, and scalp findings. Blood tests, microscopy, or a scalp biopsy may be considered when indicated.
When a dermatologist should come first
Sudden, patchy, painful, burning, inflamed, heavily scaly, scar-like, rapidly worsening, or medically unexplained loss should be evaluated by a board-certified dermatologist before cosmetic treatment or surgery.
Patterns can look similar but need different plans
Gradual recession, a widening part, or crown thinning may suggest hereditary pattern loss. Heavy shedding after illness, childbirth, surgery, or major weight change may be temporary. Sharply defined patches can follow a different medical pathway, and inflammatory or scarring conditions require prompt evaluation.
Compare Hair-Loss Treatment Options
Topical minoxidil
Topical minoxidil has FDA-approved nonprescription products for male and female pattern hair loss. Product strength and directions differ. Benefit generally takes months to assess and usually requires continued use.
Oral finasteride 1 mg
Oral finasteride 1 mg is FDA approved for male pattern hair loss in men. It requires an individualized prescribing discussion covering risks, contraindications, pregnancy precautions, mental-health history, sexual side effects, and PSA-testing considerations.
Low-level laser devices
Some laser caps, helmets, and combs are FDA cleared for specific indications and populations. Cleared is not the same as approved, and device specifications, study quality, and treatment schedules vary.
PRP
PRP may be discussed as an adjunct for selected patients with existing follicles. It is not FDA approved as a drug treatment for hair loss, preparation methods and protocols are not standardized, and it cannot create follicles in a bald area.
Other off-label options
Oral minoxidil, dutasteride, spironolactone, and other options are sometimes discussed for selected patients. Off-label use can be medically appropriate, but it requires individualized prescribing and monitoring.
Where FUE Hair Transplantation Fits
FUE redistributes selected follicular-unit grafts from a suitable donor area to planned recipient areas. It does not create new follicles, diagnose the cause of loss, or stop untreated native hair from thinning.
FUE may be worth discussing when the loss has an understood and reasonably predictable pattern, the scalp is healthy, enough suitable donor hair is available, and the expected coverage fits a responsible long-term plan. Learn how FUE works.
Build a Plan Around the Problem You Are Solving
- Identify the pattern and timeline.
- Rule out conditions that need a different medical pathway.
- Match the treatment to the goal: preservation, support, or restored coverage.
- Agree on what will be measured and when the plan will be reassessed.
What Can a ReGrow Medical Consultation Evaluate?
A ReGrow Medical consultation can review the history and visible pattern, examine the scalp and donor area, discuss restoration goals, and evaluate whether FUE may be appropriate. It does not replace a dermatologist when hair loss is sudden, symptomatic, inflammatory, scarring, or otherwise unexplained.
ReGrow Medical serves patients through six Southern California locations, including Los Angeles and Orange County. Request a consultation.
Hair Loss Treatment FAQs
What is the most effective treatment for hair loss?
There is no single best treatment for every type of hair loss. For hereditary pattern hair loss, topical minoxidil and, for eligible men, prescription finasteride have established FDA-approved uses. Other treatments or surgery may be considered after the cause, pattern, scalp health, medical history, and goals are evaluated.
Do I need a diagnosis before starting hair-loss treatment?
Yes. Pattern hair loss, temporary shedding, traction loss, and inflammatory or scarring conditions can look similar but require different plans. Sudden, patchy, painful, inflamed, scaly, scar-like, or rapidly worsening loss should be evaluated by a board-certified dermatologist.
Which hair-loss treatments are FDA approved?
Topical minoxidil has FDA-approved nonprescription products for male and female pattern hair loss, with product-specific directions. Oral finasteride 1 mg is FDA approved for male pattern hair loss in men. Some low-level laser devices are FDA cleared, which is a different regulatory status from drug approval.
Is topical finasteride FDA approved for hair loss?
No topical finasteride formulation is FDA approved in the United States. In April 2025, the FDA warned about potential risks associated with compounded topical finasteride and advised clinicians to discuss those risks with patients.
Does PRP work for hair loss?
Research suggests PRP may improve hair density for some people with diagnosed pattern hair loss, but preparation methods and treatment schedules vary, results are not guaranteed, and PRP is not FDA approved as a drug treatment for hair loss. It is generally discussed as an adjunct rather than a replacement for diagnosis.
Are hair-loss treatment results permanent?
The benefits of medical treatments generally require continued use and may diminish after treatment stops. A hair transplant can provide long-lasting growth from appropriately selected donor follicles, but it does not stop untreated native hair from continuing to thin.
When might FUE hair transplantation be considered?
FUE may be considered when the cause and likely course of hair loss are understood, the scalp is healthy, a suitable and stable donor area is available, and the expected improvement fits the patient's goals and donor supply. An in-person examination is needed to determine candidacy.
What can a ReGrow Medical consultation evaluate?
A ReGrow Medical consultation can review the pattern and history of loss, examine the scalp and donor area, discuss restoration goals, and assess whether FUE may be appropriate. It does not replace dermatologic evaluation for sudden, symptomatic, inflammatory, scarring, or medically unexplained hair loss.
How do I know if my loss is likely temporary or permanent?
Temporary shedding usually has a recent trigger and can improve over months with the right treatment of the underlying cause. Long-term androgen-related thinning is usually progressive and often needs sustained treatment and planning. A clinician review helps separate timelines and causes.
What is the difference between hair loss treatment and hair restoration surgery timing?
Medication-based treatment is often the first line for conditions that can be medically treated. Surgery is usually considered after cause and stability are understood and may follow when native hair preservation has been maximized and goals remain realistic.
Can one treatment replace all others?
Usually not. Medical and procedural options solve different parts of the problem. In many plans, preservation, medical treatment, and restoration are staged intentionally rather than used as interchangeable alternatives.
Prepared by the ReGrow Medical Editorial Team. Medical review by Dr. Amiel Moshfegh, M.D. is pending for this draft.
This page provides general education and does not replace diagnosis, examination, or an individualized treatment plan.