hair-regrowth
The Norwood Scale Explained: Find Your Stage of Hair Loss
When a surgeon glances at your scalp and says "you're a Norwood 3," that is not jargon for its own sake — it is shorthand for a pattern that tells us what is happening and what your options are. Knowing roughly where you sit helps you understand the advice you get, so here is the scale in plain language.
What the Norwood scale measures
The Norwood scale describes the pattern of male hair loss across seven stages. It tracks two things that tend to advance together: the hairline receding at the temples, and the crown thinning and opening up. Most men follow a recognisable progression, which is exactly why a standardised scale is useful.
The stages, in plain terms
Stage 1 — no real recession. The juvenile hairline you had as a teenager.
Stage 2 — a mature hairline. Slight recession at the temples that is normal adult change, not necessarily balding.
Stage 3 — the first clearly balding stage. Deeper temple recession forming an M shape. Stage 3 vertex adds early thinning at the crown.
Stage 4 — more pronounced frontal recession plus a defined area of crown loss, with a band of hair still separating the two.
Stage 5 — the band between front and crown narrows and thins; the two areas start to merge.
Stage 6 — the bridge is largely gone; front and crown loss join into one area.
Stage 7 — the most advanced: only the horseshoe of hair at the back and sides remains.
Why your stage changes the right treatment
The stage matters because it shapes what is realistic. In earlier stages — say stage 2 to early 3, where follicles are thinning but still present — PRP, PRGF and medical therapy can defend and strengthen what you have, and may delay or avoid surgery.
From stage 3 onward, where areas are genuinely emptying, a hair transplant becomes the way to restore coverage by moving DHT-resistant donor hair into the thinned zones. At the higher stages, the conversation becomes about donor supply: stages 6 and 7 have lost a lot of ground, and the finite donor area has to be planned carefully to cover priorities like the hairline and front.
The number is a guide, not a verdict
Two men at "Norwood 4" can need very different plans, because donor density, how fast the loss is moving, and personal goals all differ. The scale tells me the pattern; the consultation tells me the rest — how much good donor hair you have, whether the loss is still active, and what result is actually achievable for you over a lifetime.
If you can place yourself roughly on this scale, you will get more out of that first conversation. And if you are an early stage, the best time to protect your hair is now, while there is still plenty to protect.
Common questions
- What is the Norwood scale?
- The Norwood scale is a seven-stage classification surgeons use to describe the pattern and severity of male hair loss, from a mature hairline (stage 2) to extensive loss across the top of the scalp (stage 7).
- What Norwood stage needs a hair transplant?
- There is no fixed cut-off. Many patients consider a transplant from around stage 3 onward, but the decision depends on donor supply, how active the loss is, and your goals — not the number alone.
- Can you tell my Norwood stage from a photo?
- A photo gives a rough idea, but an accurate assessment needs an in-person look at miniaturisation and donor density, which a single photo cannot show reliably.