Updated for 2026: Thinning hair in men is most often caused by male pattern hair loss, but shedding, scalp disease, medications and other health factors can look similar. The most useful first step is identifying the cause before choosing a treatment or cosmetic solution.

What commonly causes thinning hair in men?

Male pattern hair loss, also called androgenetic alopecia, is the most common cause. It typically develops gradually at the temples, hairline or crown. Other causes include telogen effluvium after illness or major stress, alopecia areata, inflammatory scalp conditions, traction or friction, and some medications or nutritional problems.

The American Academy of Dermatology notes that treatment works best when male pattern hair loss is addressed early, but the correct treatment depends on the diagnosis.

Evidence-based medical options

Topical minoxidil

Topical minoxidil is available without a prescription and can reduce hair loss and stimulate some growth in men with male pattern hair loss. Results vary, it takes months to judge response, and continued use is generally needed to maintain benefit.

Prescription treatment

Finasteride is a prescription option for male pattern hair loss. It is not appropriate for everyone, and potential benefits and risks should be discussed with the prescribing clinician.

Low-level light and laser devices

Some laser devices have FDA clearance for certain hair-loss uses. AAD describes the evidence as promising but more limited than the evidence for established drug treatments. Clearance of one device does not prove every light-based device works the same way.

Hair transplantation

For appropriate candidates with enough healthy donor hair, hair transplantation can produce permanent, natural-looking redistribution of existing follicles. A medical evaluation is needed to determine candidacy.

Where non-surgical hair replacement fits

A custom hair system does not regrow follicles. It provides immediate cosmetic coverage and can be useful when someone wants density now, cannot use a medical treatment, has advanced loss, or simply prefers a non-surgical option.

At The Hair Specialists, system planning can include hairline, color, texture, density, base material, attachment, cut-in, home care and maintenance. Explore men’s hair-replacement options and the services overview.

When should thinning hair be medically evaluated?

  • Sudden or rapidly increasing shedding
  • Distinct bald patches
  • Scalp pain, redness, burning, scale or sores
  • Eyebrow or body-hair loss
  • Hair loss after a major health change or new medication
  • Unexplained loss in a younger person

Bottom line

The best option depends on whether the goal is to treat a diagnosed hair-loss condition, slow progression, transplant existing follicles, or create immediate cosmetic coverage. Those are different goals and should not be described as the same thing.

Local next step: If you are in Lincoln or the surrounding area and want help understanding cosmetic hair-replacement options, book a private consultation. Medical diagnosis and prescription treatment should be handled by a qualified healthcare professional.

Editorial review: September 20, 2026.