The Norwood scale, explained
The Norwood scale (or Hamilton–Norwood scale) is the standard way surgeons describe male pattern hair loss. It runs from a full head of hair to an advanced horseshoe pattern. Knowing your stage — and where it's likely heading — is the single most important input into a hairline that still looks natural in 20 years.
The stages
Stage I
A full, low juvenile hairline. No visible loss — this is the baseline before any recession.
Stage II
Slight recession at the temples forms a mature hairline. Considered normal adult maturation, not true balding.
Stage III
Deep, symmetrical temple recession — the earliest stage classed as balding.
Stage III vertex
Recession at the temples plus early thinning at the crown (vertex).
Stage IV
Larger frontal loss and an enlarging crown, still separated by a band of hair across the top.
Stage V
That separating band narrows as the front and crown both widen.
Stage VI
The bridge is gone; frontal and crown balding merge into one area. Hair remains on the sides.
Stage VII
The most advanced stage — only a horseshoe rim of hair around the sides and back remains.
Each head is drawn from above (looking down at the scalp) — the small nose notch marks the front, the bumps are the ears. Teal = hair; dashed rust = balding areas. Diagrams are simplified originals for clarity, not clinical measurements.
Why your stage matters for a hairline
It predicts future loss
A younger man at Stage II or III may progress further. A hairline placed for today's loss can look unnatural once the hair behind it thins — so surgeons plan for your likely future stage, not just your current one.
It sets the donor budget
Higher stages need more grafts to cover more area, from a donor supply that is fixed for life. That's why aggressive, ultra-low hairlines at an early stage can waste hair needed later.
It guides hairline height
A conservative, slightly mature line (Stage II–style) is the safe default for most men — it frames the face and ages gracefully as the pattern advances.
Stage I–II isn't “balding”
A mature hairline with slight temple recession (Stage II) is normal adult maturation — not a medical problem. Not everyone needs, or should rush into, surgery.
What a good result looks like
Whatever your stage, the edge of the restored hairline is what separates a natural result from an obvious one. Compare the two:
Old-style "pluggy" line
A hard, straight line of evenly spaced, dense grafts. A classic sign of an older or poorly designed transplant.
Natural, graded line
An irregular, soft edge with single hairs scattered at the very front, thickening behind. This is what reads as real.
Now find a hairline that suits you
Use your face shape and age to explore natural, age-appropriate options.
Open the finder →Norwood scale — common questions
What Norwood stage needs a hair transplant?
There is no fixed cut-off — it depends on your goals, donor supply and whether the loss is stable. Early stages (2–3) are often treated for the hairline; advanced stages (5–6) need many more grafts and careful planning. A surgeon assesses your donor area to advise.
Am I a good candidate for a hair transplant?
Good candidates usually have stable (not rapidly progressing) loss, enough donor density to move, and realistic expectations. Age matters — surgeons are cautious with very young patients whose loss is still advancing.
Is a hair transplant permanent?
The transplanted follicles are generally permanent because they come from genetically resistant donor zones. Your surrounding native hair can still thin over time, which is why many people stay on medication.