Hairline types: which one do you have, and does it mean balding?

This page goes through the hairline shapes people search for. For each one it puts two things side by side: what studies and other sources say (15 sources, quoted at the bottom), and what 1,677 people wrote about their own hairline on reddit’s hair-loss and hair-transplant forums, r/tressless and r/HairTransplants (2012–2026). The widow’s peak has its own page.

In short: in studies of men with normal hair, straight and M-shaped hairlines are both common, and mild recession at the temples counts as normal on the Norwood scale. So the shape alone doesn’t tell you whether you are balding; whether it is moving does. A cowlick is a normal whorl, though scalp can show through it. Two of the most-searched “types” aren’t hairline shapes at all: a tapered hairline is a barber’s term, and a Scandinavian hairline is a way of bleaching hair.

About the reddit numbers: these are forums people visit when they are worried, so they over-represent hair loss (574 of these people asked others whether their hairline was a problem). People whose hairline never changed rarely post. The shares below describe these posters, not how often each shape recedes in general.

M-shaped hairline

An M-shaped hairline has the temples set further back than the middle, so the front looks like an M. In a Japanese study of 122 men with normal hair whose hairline hadn’t changed since age 20, 42.6% had an M-shaped hairline and 45.9% a straight one [1]. Hair-loss scales treat mild temple recession as normal: Norwood type II, a triangular recession at the temples, is not counted as baldness; only type III and beyond is [4]. Surgeons describe a mature male hairline as a central mound with recessed temple corners [6].

On reddit, 266 people wrote about their own M-shaped hairline. Of the 220 who said what it was:

  • natural, not hair loss: 19% (41)
  • hair loss: 68% (149)
  • not sure: 14% (30)

Where they gave their age (85 people), the middle age was 24.

“I’ve always had it”

It turned out to be hair loss

Straight hairline

A straight (linear) hairline runs across the forehead without recessed temples. It was the most common shape in three studies of men with normal hair: 70% of 108 Korean men [2], 48.7% of 1,000 Chinese men [3] and 45.9% of 122 Japanese men [1]. On the BASP hair-loss scale, a straight hairline with no temple recession usually means no hair loss [4]. Many people describe it as the hairline they had as a child or teenager; researchers summarise earlier work as the hairline settling or receding a little after adolescence, toward the M-shaped pattern of adult men [5].

On reddit, 369 people wrote about their own straight hairline. Of the 185 who said what it was:

  • natural, not hair loss: 10% (18)
  • hair loss: 77% (143)
  • not sure: 13% (24)

Where they gave their age (74 people), the middle age was 23.

A straight hairline that later receded

Cowlick hairline

A cowlick is a whorl or patch where hair grows in a different direction. Single and double whorls at the crown are normal, and a cowlick can sit anywhere along the front hairline [13]; one classification found five natural whorl patterns [14]. Hair can part at a whorl and show scalp, which is why so many people ask whether theirs is a cowlick or a bald spot. We found no study on telling the two apart.

On reddit, 562 people wrote about their own cowlick. Of the 429 who said what it was:

  • natural, not hair loss: 18% (76)
  • hair loss: 48% (207)
  • not sure: 34% (146)

Where they gave their age (140 people), the middle age was 23.

Only 14 said a doctor had looked: 5 were told it was a whorl, 9 that it was hair loss. In the posts below, what told the two apart was change over time.

It was just a cowlick

The “cowlick” was thinning

Uneven (asymmetrical) hairline

We found no study that counts how common an uneven hairline is. Transplant guidelines say a designed hairline should have small irregularities and a soft transition zone rather than a hard edge [7].

On reddit, 250 people wrote about their own uneven hairline. Of the 142 who said what it was:

  • natural, not hair loss: 21% (30)
  • hair loss: 42% (60)
  • not sure: 37% (52)

Where they gave their age (41 people), the middle age was 21.

What people said

High or pushed-back hairline

On reddit “pushed back” is used for two different things: a naturally high forehead, and a hairline that has moved back. We found no study on high hairlines as such; the Norwood stages in the Norwood scale guide describe how far back counts as balding.

On reddit, 125 people wrote about their own high or pushed-back hairline. Of the 117 who said what it was:

  • natural, not hair loss: 24% (28)
  • hair loss: 58% (68)
  • not sure: 18% (21)

Where they gave their age (42 people), the middle age was 22.

What people said

What is a normal hairline?

There isn’t one normal shape: straight, M-shaped and round hairlines all appear in men and women with normal hair [1]. For men, the Norwood scale counts types I and II (no recession, or a triangular recession at the temples) as not bald [4], and in adult women the hairline is generally stable and even [5]. If you are trying to tell a mature hairline from a receding one, see mature hairline vs receding and the receding-hairline self-check.

On reddit, 132 people wrote about whether their own hairline is normal. Of the 99 who said what it was:

  • natural, not hair loss: 17% (17)
  • hair loss: 58% (57)
  • not sure: 25% (25)

Where they gave their age (33 people), the middle age was 21.

What people asked

Tapered hairline

“Tapered” isn’t a hairline shape in any study we found. Barbers use “taper” for a cut that goes gradually from longer to shorter while keeping the natural hairline at the edges, unlike a fade, which goes down to skin and removes the line [9]; a tapered neck, sides and back are part of a standard barber exam haircut [10]. Hair surgeons describe the front of a natural hairline as a soft transition zone, about 0.5–1 cm deep, of single hairs and lower density [8], which is what people mean when they say a hairline tapers into the forehead. On the hair-loss forums only 15 people used the term. For cuts that work with a receding hairline, see haircuts for a receding hairline.

Scandinavian hairline

A Scandinavian (“Scandi”) hairline is a hair-colour technique, not a hairline shape: the colourist bleaches the fine baby hairs around the face, freehand and without foils [11] [12]. It says nothing about hair loss. On the hair-loss forums, 1 person used the term.

Hairline types in a hair transplant

743 people wrote about the shape of their own transplant hairline, planned or done. Most of them (383) wrote about a straight or low hairline against a mature one; 115 about an uneven line and 100 about a cowlick.

Transplant guidelines say patients often ask for their teenage hairline, which may look unnatural as the face ages, and that round, low temple corners belong to a female hairline [7]. One clinic’s report on 431 patients whose hairline was drawn with recessed temple corners found about 95% satisfied; the dissatisfied 5% wanted the lower, rounder hairline they had when young [6] (the authors run the clinic). In a study of 80 women having hairline correction surgery, 77 had a cowlick at the front; the surgeon has to decide whether the grafts follow the cowlick’s direction or the surrounding hair’s [15].

Straight or mature?

Cowlicks in a transplant

The hairline is decided with the surgeon. The doctor directory lists published prices and checked credentials, and how many grafts shows what people said their hairline took.

The sources

[1] Study of Frontal and Temporal Hairline Patterns in Japanese Subjects

Kashiyama K, Haraguchi R, Ban F, Yoshida D, Fukuda M, Date N, Koga K, Koga K, Tanaka K · Plastic and Reconstructive Surgery Global Open, 2021 · Cross-sectional study of 456 healthy Japanese adults aged 20-39 (122 men, 334 women) at Nagasaki University Hospital; hairline type was chosen from four drawn categories via questionnaire and the forehead was measured. It describes how common each shape is in people without hair disease, so it shows M-shaped and straight hairlines are normal variants; it cannot show how a hairline changes over time. Authors note the classification is simplified and likely subjective. Full text read; authors declare no financial interest.

  • In Japanese men without hair disease, an M-shaped frontal hairline (42.6%) was almost as common as a straight (linear) one (45.9%). “M-shaped: 18.2% of women and 42.6% of men”
  • Linear and M-shaped hairlines together made up most of the men. “two types (linear and M-shaped) accounted for 88.5% of men”
  • The study defines an M-shaped hairline as one with deep recesses at the temples. “M-shaped (the fronto-temporal recess is deep in the frontal hairline, forming an M-shape)”
  • Most men had a hairless area at the temples; round hairlines were the most common in women. “a hairless region (inverted triangle and inverted round) was noted in 82.8% of men”
  • The study only included people whose hairline had not changed since age 20 and who had normal hair and scalp. “those whose hairline has changed compared with when they were 20 years old”

[2] A new classification of male pattern baldness and a clinical study of the anterior hairline

Koo SH, Chung HS, Yoon ES, Park SH · Aesthetic Plastic Surgery, 2000 · Korean plastic-surgery study: prevalence of balding types in 1,731 men under a new letter-based classification, plus hairline shape and height measured in 108 normal adult men. Abstract only. Shows which hairline shapes are common in Korean men without balding; cannot say anything about other ethnic groups or change over time.

  • In 108 normal Korean men, a straight (linear) hairline was the most common shape. “the linear type was most common (70.37%)”
  • The proposed balding classification names six types by letter shape. “The six types are designated types M, C, O, U, MO, and CO.”
  • The average height of the hairline at the midline was 6.53 cm. “6.53 cm for the median line”

[3] Study on Hair Distribution in Healthy Males for Hair Restoration Design

Bao Y, Wu K, Lin J, Chen Y, Wu W · Journal of Craniofacial Surgery, 2018 · Dermatology study of 1,000 Chinese young adult men without hair disease, using standard photographs and a trichoscope. Abstract only. Describes normal hairline shapes, crown whorl position and direction, and the share of single-hair follicular units at the hairline; it is one population and one age group.

  • In healthy young Chinese men, a straight (linear) hairline was the most common shape. “linear (48.7%)”
  • About half the crown whorls sat to the right and most turned clockwise. “most of the PWs were on the right (51.4%) and had a clockwise pattern (73.3%)”
  • Most follicular units at the front hairline carried a single hair (75.9%), more than in the temple area (56.4%). “1-hair follicular units were (75.90% and 56.39%) in anterior hairline and temporal area”

[4] Classifications of Patterned Hair Loss: A Review

Gupta M, Mysore V · Journal of Cutaneous and Aesthetic Surgery, 2016 · Narrative review of classification systems for male and female pattern hair loss (Hamilton, Norwood, Ogata, Koo, BASP, Ludwig and others), from MEDLINE/EMBASE searches. Full text read. It describes the scales, not how many men sit at each stage; authors declare no conflicts of interest.

  • On the Norwood scale, type I means little or no recession of the hairline. “Type I: There is minimal or no recession of the hairline.”
  • Norwood type II is a symmetrical triangular recession at the temples. “Type II: There are triangular, usually symmetrical, areas of recession at the frontotemporal hairline.”
  • Norwood counts only type III and beyond as baldness: deep recessions at the temples that are bare or barely covered. “Type III: This represents the minimal extent of hair loss sufficient to be considered as baldness according to Norwood.”
  • In the BASP scale a straight (linear) front hairline with no temple recession usually means no hair loss. “No recession is observed along the anterior border in the frontotemporal region resembling a linear line and usually means that there is no hair loss.”
  • In the BASP scale, an M type is where the temples have receded more than the middle of the hairline. “Recession in the frontotemporal hairline is more prominent than the mid-anterior hairline and the hairline resembles the letter M.”

[5] Tardiness hair in transitional zone: Analysis between age and frontal forehead hairline in children aged below 5 years old

Wu W, Liu Y, Zhang Y, Li T, Men Y · PLOS One, 2025 · Cross-sectional study of 213 Chinese children aged 0-5 at Peking University Third Hospital, measuring the frontotemporal hairline angle. Its own data are about small children; the statements about adult hairlines receding after adolescence are background citing earlier work (Rassman et al. 2013), not measured here. Full text read; authors declare no competing interests.

  • Earlier work found the hairline tends to stabilise or recede a little after adolescence, moving to the convex or M-shaped pattern typical of adult men. “the hairline tends to stabilize or gradually recede post-adolescence, evolving from a concave configuration during early childhood (around the age of five) to the typical convex or M-shaped pattern observed in adult males”
  • In adult women the hairline is generally stable and even. “In adult females, the hairline is generally characterized by a stable, planar contour”
  • The authors suggest the normal backward movement of the hairline with age may share mechanisms with androgenetic alopecia (their speculation). “We speculate that the physiological backward movement of the hairline with increasing age shares overlapping principles and mechanisms with the occurrence of androgenetic alopecia.”
  • In children under 5 the hairline moved forward with age, unlike in older people. “the hairline in infants and young children aged 0–5 years tends to advance with increasing age”

[6] Decoding Facial Esthetics to Recreate an Esthetic Hairline: A Method Which Includes Forehead Curvature

Garg AK, Garg S · Journal of Cutaneous and Aesthetic Surgery, 2017 · Method paper by two surgeons at a private hair transplant centre in Indore (Rejuvenate Hair Transplant Centre), describing how they mark a hairline for transplant, tried on 431 of their own male pattern alopecia patients with satisfaction as the outcome. The description of a mature male hairline is the authors' observation, not a measured survey. Full text read; no conflict-of-interest statement in the archive, and the authors run the clinic.

  • The authors describe a mature male hairline as a central mound with recessed corners at the temples and two temple peaks. “All matured male hairlines[ 4 ] show a mid-frontal mound with either side of frontotemporal deepened bald area called frontotemporal angle (FTA) and two temporal peaks (TPs) in the temple area.”
  • Of 431 transplant patients, about 95% were satisfied with a hairline drawn this way. “The patient satisfaction reported was 94.7%.”
  • The dissatisfied 5% wanted the lower, rounder hairline they had when young. “The remaining 5% of the patients said that their hairline should have been lower as it was when they were young and the FTA should have been round.”

[7] Hair Transplant Practice Guidelines

Mysore V, Kumaresan M, Garg A, Dua A, Venkatram A, Dua K, Singh M, Madura C, Chandran R, Rajput RS, Sattur S, Singh S · Journal of Cutaneous and Aesthetic Surgery, 2021 · Practice guidelines from a taskforce of Indian hair transplant surgeons; the hairline recommendations are graded level of evidence 4, category D (expert opinion). Full text read. Several authors run hair transplant clinics; the paper declares no conflicts of interest.

  • Patients often ask for their teenage hairline, which the guidelines say may look unnatural as the face ages. “Most patients ask for a hairline that they had during their teenage years.”
  • Round, low temple corners belong to the female hairline and may look unnatural on men. “The round or obtuse frontotemporal angles are present in the female hairline and may look unnatural when created for men.”
  • A designed hairline should have small irregularities and a soft transition zone in front of the denser area. “The AHL should have the following components: micro- and macro-irregularities, transition zone, defined zone, and central tuft.”
  • In women a widow's peak or cowlick usually sits at the centre of the front hairline. “A widow’s peak or cowlick is usually located in the center of the AHL”

[8] Recipient Area

Marwah MK, Mysore V · Journal of Cutaneous and Aesthetic Surgery, 2018 · Narrative review chapter (JCAS symposium) on planning the recipient area in hair transplants, by surgeons at a hair clinic and a skin and plastic surgery centre. It describes the front hairline's soft, lower-density transition zone, the anatomical sense of a hairline that thins out gradually; it never uses the term 'tapered hairline'. Full text read; declares no conflicts of interest.

  • The front edge of a hairline is a transition zone about 0.5-1 cm deep, irregular and made of single hairs. “Frontal 0.5–1 cm hairline with micro- and macro-irregularities filled with single hair grafts”
  • Only single-hair grafts go in that front transition zone. “Only single follicle graft should be in the frontal transition zone”
  • The transition zone is planned less dense than the central tuft behind it. “the central tuft should have a density of 40–45 grafts/cm 2 and the frontal transition zone should have a density of 25 grafts/cm 2”
  • Grafts should be placed randomly, not in rows, to look natural. “the grafts should never be implanted in symmetrical rows and columns, there should be a random arrangement to give a natural look”

[9] 5.4 Fading, Tapering & Advanced Finishing Techniques (Florida Barber License study guide)

OpenExamPrep, 2026 · Free online study guide for the Florida barber licence exam, no named author, 'Last updated: August 2026'; a third-party study aid, not an official board text or textbook. It is the barber sense of 'taper': a haircut that shortens towards the natural hairline at the sides and nape. Use alongside the Nevada board's exam instructions.

  • A taper blends hair from longer to shorter while keeping the natural hairline at the edges. “A taper gradually blends hair from longer lengths down to shorter lengths while preserving the natural perimeter hairline”
  • A fade, by contrast, goes down to skin and removes the natural hairline line. “a fade blends hair down to ultra-short lengths or bald skin, erasing the natural perimeter line”
  • A classic taper keeps the natural hairline around the ears and lower neck. “a classic taper preserves the natural perimeter hairline around the ears and lower neck”
  • A tapered neckline blends to skin at the nape with no hard outline. “Hair is blended down to the skin at the lowest nape, leaving no hard perimeter outline.”

[10] Important Examination Instructions (barber practical examination)

Nevada State Barbers' Health and Sanitation Board (barber.nv.gov) · Official exam instructions from the Nevada barber licensing board (PDF, no date printed; file metadata says created March 2025). It shows the taper is a standard barber licence-exam haircut (neck, side and back tapers, graduated with no blocked line) but gives no definition of 'tapered hairline'.

  • The Nevada barber exam haircut must include neck, side and back tapers. “The haircut must include all phases of haircutting, including neck taper, side and back tapers,”
  • Candidates must cut a basic tapered haircut, graduated with clippers and without a blocked line. “Use clippers to establish a graduated haircut with no blocked line.”

[11] The Scandi Hairline Technique Is the Key to Sun-Kissed Blonde Hair

Jordan Julian · Makeup.com by L'Oréal, 2023 · Beauty article (6 September 2023) quoting a colourist named Pennell (the archived page omits her introduction). Makeup.com is owned by L'Oréal and the article recommends Redken (a L'Oréal brand) products. It shows the term is a hair-colour technique, nothing to do with hairline shape or hair loss.

  • The Scandinavian hairline is a way of applying bleach, not a hairline shape. “the popular Scandinavian hairline trend is a specific method of applying bleach”
  • The colourist lightens the hair right around the face. “a technique to delicately lighten the hairline around your face”
  • The bleach is painted on freehand along the hairline, without foils. “the Scandinavian hairline technique involves painting the bleach freehand along the hairline without foils”
  • A refresh every 8-12 weeks keeps it blonde. “every eight to 12 weeks is ideal timing”

[12] This low-maintenance hair colour technique has taken over TikTok—and it's perfect for summer

Grace Lindsay · Marie Claire UK, 2023 · Magazine feature (10 June 2023) quoting Michael Gray, John Frieda's UK Creative Stylist; the page carries affiliate links and product picks. An independent second description of the same colour technique; says nothing about hair loss.

  • A John Frieda stylist describes the Scandi hairline as a colour technique. “is a colour technique that mimics where the sun hits certain parts of the forehead”
  • Only the baby hairs at the hairline are bleached. “only the baby hairs are coloured”
  • Colourists bleach a small section along the hairline freehand. “Colourists will take a small section of the hair along the hairline, better known as your baby hairs, and bleach them with a freehand lightener”

[13] Scalp whorls

Samlaska CP, James WD, Sperling LC · Journal of the American Academy of Dermatology, 1989 · Dermatology review with two case reports (Walter Reed Army Medical Center). Abstract only. Describes normal and abnormal whorl patterns; it says nothing about hair loss or telling a whorl from thinning.

  • Single and double whorls at the crown are normal. “Single and double parietal whorls are examples of normal scalp patterns.”
  • A cowlick can sit anywhere along the front hairline. “scalp whorls associated with a cowlick can be seen at any location along the frontal hair line”

[14] The Ziering whorl classification of scalp hair

Ziering C, Krenitsky G · Dermatologic Surgery, 2003 · Retrospective review of photographs of 534 patients at Ziering Medical, a private hair transplant clinic in Beverly Hills (the authors' own clinic, whose name the classification carries). Abstract only. Describes whorl patterns by sex and race; patients were hair-restoration patients, not the general population.

  • The authors found five natural whorl patterns. “Five distinct natural whorl patterns were identified.”
  • Women and African American patients more often had a diffuse pattern than a distinct whorl. “African Americans and women tend to have a diffusion pattern as opposed to a distinct whorl”
  • Where hair loss was too severe to see a pattern, the whorl was recorded as indeterminate. “If alopecia was so severe that no pattern was clearly identified, they were listed as indeterminate.”

[15] Management of Cowlick in Female Hairline Correction Surgery

Park JH, Manonukul K, Ho YH · Aesthetic Plastic Surgery, 2024 · Case series (level of evidence IV) of 80 women who had hairline-lowering transplants at the authors' Dana clinics in Seoul, Bangkok and Taipei, comparing two ways of angling grafts around a front cowlick. Abstract only. The authors run the clinics; it says nothing about cowlicks as a sign of hair loss.

  • Of 80 women, 77 had one front cowlick and 3 had two. “Among 80 patients, 77 had a single CL and 3 had a double CL.”
  • Surgeons have to decide whether grafts follow the original hair direction or the cowlick's. “the surgeon must choose between MOD and MCD by considering the location, shape, and pattern of the CL”

Quotes are copied from the archived pages, abstracts and open-access full texts, checked 17 Oct 2026. Several of the papers could be read as abstracts only. None of them followed people with a given hairline shape over time to see who went bald.

How this page was made

We took every live post and comment in r/tressless and r/HairTransplants that uses one of these hairline terms and where the writer says “I” or “my” (3,524 in all) and read each one: is it about the writer’s own hairline, which shape, did it turn out to be hair loss or their natural hairline, and what about it in a transplant. Each person counts once per shape, with what they said most recently; a definite answer is never replaced by a later “not sure”; reposted text counts once. Each quote is copied word for word from the post or comment it links to. Removed posts are left out, usernames are not shown, and posts that mention suicide or self-harm are never quoted. Data as of Oct 2026.

Next: widow’s peak, receding hairline stages, or, if a transplant is the question, the independent doctor directory.

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