Ludwig scale female hair loss grading is the three step system used to describe how much density has been lost from the top of a woman's head, while the frontal hairline stays intact. Grade I is thinning you can see at the parting. Grade II is obvious widening with visible scalp. Grade III is extensive loss of density on top. It is a description, not an explanation, and knowing which grade you are is far less useful than knowing what is driving it.

Published by Erich Ludwig in 1977, it remains the shorthand a GP or dermatologist will reach for. This guide covers what each grade actually looks like, how to place yourself honestly, where the scale is genuinely weak, and what it deliberately does not tell you.

Last updated: August 2026. General information for adults, not medical advice.

What is the Ludwig scale?

The Ludwig scale is a three point classification of female pattern hair loss, published by the German dermatologist Erich Ludwig in the British Journal of Dermatology in 1977. It was the first widely adopted system to recognise that women lose hair in a fundamentally different distribution from men, and that grading them on the male Hamilton or Norwood scales produced nonsense.

The insight was simple and it holds up. In women, thinning concentrates on the crown and along the parting while the frontal hairline is retained as a band, usually one to three centimetres deep, across the forehead. Rather than mapping a receding shape the way Norwood does, Ludwig grades how much density has been lost from that central zone.

It matters because it is still the vocabulary in use. If you see a GP or a dermatologist about thinning, the Ludwig grade is likely to be what goes in the notes, and it is what published research uses to describe study populations.

The Ludwig scale female hair loss grades, one by one

Each grade describes a visible amount of density loss on the top of the head, assessed with the hair parted down the middle.

The frontal band is the part worth dwelling on, because it is what makes the Ludwig scale female hair loss picture recognisable. If your hairline is receding at the temples in a male-type pattern, or if hair is missing in round smooth patches rather than diffusely, this scale is the wrong tool and the cause is likely to be something else. That is a GP conversation, not a grading exercise.

How do you place yourself on the Ludwig scale female hair loss grades?

Self-assessment is unreliable in both directions and the fix is methodical rather than clever. Lighting alone can shift your apparent grade by a full step, so control the conditions before you draw any conclusions.

Part your hair down the centre, on dry hair. Wet hair clumps and exaggerates visible scalp dramatically. Every assessment you make should be on dry hair or none of them will compare.

Use daylight from the side, not overhead light. A bathroom ceiling light shines straight down the parting and produces the worst possible version. Stand near a window instead, and use the same window every time.

Photograph rather than judge in a mirror. Take four: the parting from directly above, the crown from above and behind, the hairline, and one from the side. A phone on a shelf with a timer is easier than it sounds.

Compare across months, not against memory. Memory is a poor instrument for something that moves this slowly, and both anxiety and denial distort it.

Look at the hair itself, not just the gaps. Miniaturisation shows as fine, short, wispy hairs mixed among normal ones. A parting full of one centimetre baby hairs is telling you something different from a parting with fewer, normal thickness hairs.

What Ludwig scale female hair loss grading does not tell you

The scale describes severity and nothing else, and this is the single most important limitation to understand. Two women at the same grade can have entirely different causes, timescales and options.

It does not tell you the cause. Female pattern loss, iron deficiency, thyroid disease, PCOS, the perimenopause and long term traction from tight styling can all produce reduced density on top. Several of those are correctable and free to check. This is why the grade is the least valuable output of a GP appointment and the blood test is the most valuable one. Our guide to why hair thins in the first place works through the causes.

It does not tell you the speed. Grade II reached over twenty years and grade II reached in three are completely different situations, and the scale cannot distinguish them. Only sequential photographs can.

It does not separate loss from shedding. A woman at grade I going through a heavy shedding episode after illness or childbirth can look temporarily much worse. That shedding usually recovers within six to nine months and the underlying grade has not changed at all.

It is too coarse to show progress. This is the practical complaint from researchers. A woman can lose or regain a meaningful amount of density without moving between grades, which makes the three point scale nearly useless for measuring whether anything is working over twelve months.

Which other scales are used, and do they disagree?

Three alternatives to Ludwig scale female hair loss grading exist, because clinicians and researchers found the original three grades insufficient, and they do not always agree with each other on the same head. That disagreement is worth knowing about rather than hiding.

The Sinclair scale uses five points instead of three and is graded from a standardised photograph of the central parting. The extra resolution is the point: it can detect a change that the Ludwig scale would record as no change at all, which makes it more useful for tracking someone over time.

The Savin scale adds density reference images plus a separate assessment of frontal recession, acknowledging something Ludwig's system does not: a proportion of women do lose some hair at the frontal hairline, particularly after the menopause.

Olsen's frontal accentuation pattern describes the shape rather than the amount. Many women thin more at the front of the parting than at the back, producing a wedge that is usually called the Christmas tree pattern. A woman with obvious frontal accentuation can be graded Ludwig I while finding her hair much more visibly affected than that grade suggests, because the loss is concentrated exactly where it shows.

The practical upshot: if a GP grades you Ludwig I and you feel that understates it, you are not necessarily wrong. Say where the thinning is concentrated, not just how much there is.

What is actually happening at each grade?

The mechanism behind Ludwig scale female hair loss is the same across all three grades and only the extent differs. Follicles that are genetically sensitive to androgens shorten their growing phase with each successive cycle, producing a finer and shorter hair each time. This is miniaturisation, and it is covered fully in our guide to pattern hair loss.

Two consequences follow that people find counterintuitive. First, your follicle count barely changes in the early grades. What has changed is the diameter of the hair each follicle produces, which is why grade I can feel like a dramatic loss of volume while a count would show a similar number of hairs. Second, follicles that have miniaturised recently retain more potential to produce thicker hair again than ones that have been dormant for a decade. That, rather than any marketing timescale, is the real reason early action is worth more than late action.

Hormonal context matters at every grade. Where PCOS raises androgen activity from a young age, or the menopause shifts the balance between oestrogen and androgens, the same mechanism gets more of the signal that drives it.

What should you actually do at each grade?

The honest answer is that the grade changes the urgency rather than the sequence. The steps are the same and the case for taking them promptly gets stronger as the grade rises.

At any grade, see a GP first. Ferritin, full blood count, thyroid function and vitamin D are the standard panel and they identify the correctable causes. This is free in the UK and it is the step most often skipped in favour of buying something.

At any grade, take baseline photographs today. Not next month. Whatever you do next, you will want something to compare against, and day one only happens once.

Reduce mechanical load early. Tension from tight styles and clip-ins, aggressive detangling and high heat all cause breakage that sits on top of thinning and makes any grade look worse than it is. This is entirely within your control and costs nothing.

Ask a GP or pharmacist about licensed options. Medicines licensed in the UK for female pattern hair loss exist. We are a cosmetics company with no medical professional on record, so we do not name them or advise on them. Ask, early rather than late, and ask about the trade-offs as well as the benefits.

Consider a concealer at any grade, without embarrassment. A visible parting today is a real problem today, and nothing else on this list works in under three months.

Where do our own products fit?

In the mechanical and cosmetic part of that list, which matters more at grade I and II than people expect, because breakage is a large share of what makes a parting look wide.

The three step routine set, for consistency over ninety days

Shampoo, conditioner and a leave-on scalp elixir. The argument for a routine rather than a single bottle is that a ninety day comparison only means something if what you did was consistent. Cleanse without stripping, condition to cut breakage, and give the leave-on product the contact time a two minute shampoo never gets.

Condition Me Conditioner, because detangling is where fine hair breaks

Slip is the practical benefit. Most mechanical damage to already fine hair happens during combing rather than washing, and every hair that snaps mid length is one fewer contributing to the density you are trying to hold on to.

Hair Building Fibres, the same day answer

Keratin fibres cling to existing hair and hide the scalp showing through at the parting, which is precisely the thing the Ludwig grades are describing. It washes out and changes nothing underneath. For an event this week rather than a decision about this year, it is the honest recommendation.

Watermans products are 100% cosmetic and do not treat medical hair loss. Individual results may vary. We are vegan, UK made, and have sold over 5 million bottles since 2012.

How do you track change when the scale is too coarse?

Because moving between Ludwig scale female hair loss grades can take years, you need something more sensitive than the grade itself to know whether anything is working. Three measurements are practical at home and all of them are free.

Parting width against a fixed reference. Photograph the parting with a ruler or a hair grip of known size lying alongside it, in the same light. This turns a subjective impression into a number you can compare across months.

Ponytail circumference. Gather all the hair in the same way and measure around the base with a tape measure. It is crude, it is affected by length and styling, and used consistently it still tracks bulk change better than looking in a mirror does.

Shed count on a fixed day. Count what comes out on the same wash day each week rather than every day. Fifty to a hundred a day is normal and varies enormously with wash frequency, so the trend across weeks is the useful part, never a single alarming morning.

Give any change six months before a verdict and twelve before a firm one, because hair grows roughly a centimetre a month and nothing shortens that.

Frequently asked questions

What Ludwig grade is considered normal?

None of them, in the sense that the scale only starts once pattern thinning is present. Density does decline gradually with age in most women without that meaning much, and a widening parting in your sixties is far more common than in your twenties. The grade describes what is visible rather than whether it is expected.

Can you go down a Ludwig grade?

Movement back down is possible where miniaturisation is recent and the driver changes, for example when an iron deficiency is corrected or a hormonal factor shifts. It is slow, it is not guaranteed, and the scale is coarse enough that a real improvement may not show as a full grade change.

Does the Ludwig scale apply to men?

Not usefully. Men are graded on the Norwood scale, which maps a receding shape rather than central density. Some men do have a diffuse female-type pattern, and in those cases a clinician may describe it in Ludwig terms.

Why does my parting look wider some days than others?

Lighting, dampness, product and where the parting sits. Overhead light shining down the parting is the most unflattering possible condition, wet hair clumps and exposes scalp, and a parting that has not moved in years always looks widest. Standardise the conditions before drawing conclusions.

Is Ludwig grade I worth doing anything about?

Yes, mainly because recently miniaturised follicles retain more potential than long dormant ones, so the same effort achieves more at grade I than at grade III. The blood tests and the baseline photographs are both free and both more valuable now than later.

How quickly do women move between grades?

Usually slowly, over years rather than months, and most women remain at grade I or II indefinitely. Anything that appears to progress over weeks is far more likely to be a shedding episode than a change in grade, and shedding usually recovers.

Does a hairdresser use the Ludwig scale?

Generally not by name, though experienced stylists spot the pattern early because they see your parting and crown from angles you never do. A stylist noticing a change is a good prompt to arrange a GP appointment, not a substitute for one.

Should I ask for a scalp examination?

It is reasonable to ask. A close look at the scalp lets a clinician see whether hair diameters vary, which supports the pattern picture, and whether follicle openings are still visible, which matters because their absence points to a scarring process that needs prompt attention.

Sources and references

• Ludwig E, Classification of the types of androgenetic alopecia (common baldness) occurring in the female sex, British Journal of Dermatology, 1977, the original description of the three grades.
• Sinclair R and colleagues on the five point photographic scale for female pattern hair loss, developed specifically because three grades lack the resolution to track change.
• Savin's density reference scale, which adds a separate assessment of frontal recession alongside central density.
• Olsen E, on the frontal accentuation or Christmas tree pattern, in which loss concentrates at the front of the parting and can be understated by a Ludwig grade.
• NICE Clinical Knowledge Summaries on androgenetic alopecia, for the standard investigation panel used in UK general practice and the features that prompt referral.
• British Association of Dermatologists public information on female pattern hair loss, for the expected course and the distinction from scarring alopecias.
• NHS guidance on hair loss, for what general practice can arrange without charge and what warrants prompt attention.
• Published work on hair shaft diameter diversity as a marker of miniaturisation, which is the finding that supports a pattern picture on scalp examination.

The short version

Ludwig scale female hair loss grading is a useful shorthand and a poor diagnostic tool, and mistaking one for the other wastes time. Three grades, all describing density on the top of the head with the frontal band preserved: mild at the parting, obvious widening with visible scalp, and extensive loss that is genuinely uncommon. It tells you how much and never why, so the blood tests matter more than the grade, and they are free. Standardise your photographs, because lighting shifts an apparent grade further than a year of change does. If you feel your grade understates things, check whether the loss is concentrated at the front of the parting, because that pattern is real and Ludwig's system does not capture it. Act earlier rather than later, since recently miniaturised follicles retain more potential than long dormant ones. And if the parting is the problem today, a concealer solves today while everything else is working on next year.