Male Pattern Baldness Stages: The Norwood Scale Explained

What are male pattern baldness stages?

Male pattern baldness stages describe where hair has thinned or disappeared, usually around the temples, front hairline and crown. The most common guide is the Hamilton–Norwood scale, often shortened to the Norwood scale. It runs from stage 1, with little or no recession, to stage 7, with extensive loss across the top.

Male pattern hair loss, also called androgenetic alopecia, involves inherited sensitivity to hormones, particularly dihydrotestosterone, or DHT. Over time, affected follicles can produce finer, shorter hairs. This gradual shrinking is called miniaturization.

The scale is a visual reference—not a diagnosis, a countdown or a score of your health. You do not need to reach a particular stage before asking for help.

The seven Norwood stages explained

Compare both the front and the crown, which is the area near the back of the top of your head. Looking only at your hairline can miss changes elsewhere.

Some charts also show “A” variants, where the front hairline moves backward more evenly, without the usual separate crown spot. These are alternative patterns, not extra steps everyone goes through.

Do all men progress through every stage?

No. Hair loss can progress slowly, change more noticeably during certain periods or remain similar for years. Some men keep a mildly receded hairline; others develop more extensive thinning. A stage cannot reliably tell you how much hair you will lose or when.

Family history can offer clues, but it is not a forecast. Relevant genes can come from either side of the family—not just your mother’s side.

The scale also has limits. Diffuse thinning across the top may not fit neatly into one stage. Hair length, curl, color and lighting can change how much scalp shows without changing the underlying pattern.

How to assess your stage without overchecking

Use the scale as a starting point, then look for sustained changes. Checking daily can make normal differences in lighting or styling feel alarming. Photos taken every few months are generally more useful.

A dermatologist can examine your scalp and hair thickness to distinguish male pattern loss from shedding, breakage or another condition. Sudden, patchy, painful or inflamed hair loss should be assessed rather than assigned a Norwood stage.

• Photograph your front hairline, both temples, top and crown.
• Keep lighting, camera angle, hair length and styling as consistent as possible.
• Compare dry hair with dry hair; wet or oily strands separate and expose more scalp.
• Note when changes began, including recent illness, major weight changes or new medicines.

Which treatments can help at different stages?

Treatment usually has more opportunity to preserve hair while follicles are still producing it. At earlier stages, the goal may be slowing loss and improving density. With more extensive loss, maintaining remaining hair may be more realistic than restoring a former hairline. Individual results vary.

Topical minoxidil is a drug that can help some men with pattern hair loss. Under US labeling, men use 5% liquid or foam twice daily; always follow the Drug Facts label on the exact product, including its indicated treatment area and warnings. Results take months to judge, and continued use is needed to maintain benefits. Irritation and unwanted facial hair can occur. Brand-name and generic products should be compared by active ingredient, formulation and label—not promises.

Prescription finasteride reduces DHT and may slow loss or support some regrowth. Discuss potential sexual side effects and mood changes with the prescriber. Oral minoxidil and dutasteride are sometimes prescribed off-label for hair loss in the US; they require individualized assessment. Oral minoxidil can affect blood pressure and cause swelling or heart-related problems. None of these options guarantees a particular result.

Cosmetic options and hair transplantation

Cosmetic products can improve the appearance or manageability of existing hair, but that is different from medically treating pattern baldness. FOLIGAIN® products featuring TRIOXIDIL® belong in this category: TRIOXIDIL® is a cosmetic complex, not a proven regrowth drug.

Hair fibers, scalp concealers, volumizing styling products and hairpieces can help camouflage thinning. Supplements are not a substitute for treatment; they are most relevant when a nutritional deficiency is identified.

Hair transplantation moves existing follicles into thinning areas rather than creating new ones. Suitability depends on donor hair, scalp health and the likely future loss pattern—not just your stage. Remaining non-transplanted hair can continue thinning, so careful long-term planning matters.

Before you start

Choose your goal first: understanding the change, preserving hair or making thinning less noticeable. Bring consistent photos and a list of medicines to an appointment if you want help deciding.

Always follow the Drug Facts label on your exact product. This guide is general education, not medical advice. Ask a pharmacist, doctor or nurse practitioner about your own situation.