Hair loss treatment: how it works and what to expect

The most common cause is androgenetic alopecia, also called male- or female-pattern hair loss. It is driven by genetics and by a hormone called dihydrotestosterone (DHT), which gradually shrinks hair follicles. Other causes exist too, including stress-related shedding, thyroid problems, nutritional gaps, and autoimmune conditions, and they are treated differently. Because the cause guides the treatment, an evaluation matters. See MedlinePlus — Hair Problems for independent background.

Two approaches do most of the work:

• A topical scalp treatment is applied directly to the scalp. It prolongs the hair's growth phase and improves blood flow to follicles, which can thicken and maintain hair.
• DHT blockers reduce the DHT that shrinks follicles, which helps slow loss and can support regrowth, mainly in men.

Some plans combine approaches. Your provider decides what fits your type of hair loss. For medication-specific detail, see our guides to finasteride and dutasteride.

Hair treatments are slow. It usually takes three to six months of consistent use to judge whether something is working, and some people notice temporary increased shedding early on. Benefits generally continue only while you keep using the treatment, and stopping typically reverses the gains over time. Treatment maintains and can partially restore hair; it is not a cure, and results vary from person to person.

A topical scalp treatment can cause scalp irritation, dryness, or unwanted hair growth where it drips, plus the early shedding noted above. DHT blockers are generally well tolerated, but a minority of men report sexual side effects such as reduced libido or difficulty with erections; these usually resolve after stopping, though persistent effects have been reported. Some people report mood changes. Tell your provider about anything you notice. This is not a complete list.

• Pregnancy. DHT-blocking medications can cause birth defects. People who are pregnant or may become pregnant should not take them or handle broken or crushed tablets.
• Mood changes. If you notice depression or changes in mood, tell your provider.
• Tell your provider everything. Share your full history and all medications so treatment is matched safely to you.

Eligibility is a medical decision made by a licensed provider, not by a questionnaire alone. The provider considers the type and cause of your hair loss, your history, and your goals. Treatment is not appropriate for everyone. The only way to know is a provider evaluation.

Hair-loss treatment on Panterra is priced per refill, all-in, with no membership required to be a patient. The price includes the medication, the provider, follow-ups, and shipping, and the provider consultation fee is part of that price, itemized before you pay. The treatment page lists its current "starting at" price.

See current pricing on the treatment page: Hair-loss care (Kalos).

1. You complete a health intake online.
2. A licensed U.S. provider reviews your information.
3. If treatment is appropriate for you, the provider issues a prescription.
4. Your medication ships to you, and follow-ups are included in the price.

If treatment is not appropriate, the provider will tell you and may suggest other options. A prescription is never guaranteed.

Prescription required. These medications are available only with a prescription from a licensed provider after an evaluation.

Pregnancy warning. DHT-blocking medications can harm a developing baby. Do not take or handle them if you are pregnant or may become pregnant.

Compounded medications are not FDA-approved. Some treatments offered through Panterra are compounded. The FDA does not review compounded medications for safety, effectiveness, or quality, and they are not tested in clinical trials the way FDA-approved medications are. See our guide to compounded medications.

This is education, not medical advice. It does not replace a conversation with your provider. For a medical emergency, call 911.

Authoritative background: MedlinePlus — Hair Problems and FDA — Compounding and FDA: Questions and Answers.