TRIX Hair Check

Discover which type of hair loss applies to you

Hair loss can have different causes and patterns. The TRIX Hair Check helps you gain structured insight into what may be happening in your situation.

Start the Hair Check

Based on more than 20 years of dermatological expertise

Why identifying your hair loss type matters

Hair loss is not a single condition. Different types of hair loss have different underlying mechanisms, patterns, and timelines. Addressing hair loss without understanding the type involved often leads to confusion, unrealistic expectations, or ineffective approaches.

Some forms of hair loss are temporary and reversible, while others are progressive and pattern-based. Certain types primarily affect the hair cycle, while others involve follicle sensitivity or immune-related processes. These differences are not always obvious at first glance.

The purpose of the TRIX Hair Check is not to label or diagnose, but to help you gain structured insight into what may be happening based on:

  • the pattern of hair loss
  • the distribution on the scalp
  • the timeline of change
  • relevant contextual factors

Understanding the type of hair loss involved is the first step toward informed, realistic next steps.

This is why a structured, pattern-based assessment can be valuable.

  • Hair loss can look similar but have very different causes

  • Pattern and progression matter more than a single symptom

  • Early insight helps prevent misinterpretation

  • Not every form of hair loss requires the same approach

What the TRIX Hair Check looks at (and how it works)

Jonge man met zichtbare haarverdunning bovenop het hoofd kijkt naar zijn telefoon, mogelijk in een vroeg stadium van haaruitval.
Man met terugwijkende haarlijn en zichtbare haarverdunning bij de slapen, passend bij alopecia androgenetica.
Man met duidelijke haarverdunning op de kruin en bovenop het hoofd, kenmerkend voor alopecia androgenetica bij mannen.
Bovenaanzicht van een man met duidelijke haarverdunning en miniaturisatie op de kruin en het voorste hoofdhuidgebied, passend bij alopecia androgenetica.
Bovenaanzicht van een man met vergevorderde haarverdunning en kale plekken op de kruin en het voorste deel van de hoofdhuid, kenmerkend voor alopecia androgenetica.
Achteraanzicht van een man met twee scherp begrensde kale plekken op de hoofdhuid, passend bij pleksgewijze haaruitval (alopecia areata).
Bovenaanzicht van een vrouw met lichte tot matige verbreding van de middenscheiding en zichtbare afname van haardichtheid boven op de hoofdhuid, passend bij diffuse haarverdunning.
Zijaanzicht van een vrouw die haar haar opzij houdt, met een duidelijk afgebakende kale plek op de hoofdhuid, passend bij pleksgewijze haaruitval (alopecia areata).
Frontaal portret van een vrouw met gelijkmatig verdeeld haar en een stabiele voorste haarlijn, zonder duidelijke kale plekken, passend bij vroege of milde haarverdunning.
Frontaal beeld van een oudere vrouw met diffuse haarverdunning bovenop de hoofdhuid en een verbrede middenscheiding, passend bij leeftijdsgebonden of hormonale haarverdunning.

The TRIX Hair Check is designed to assess patterns, progression, and context, rather than focusing on a single symptom or isolated observation.

Hair loss rarely has one defining feature. Instead, it develops through recognizable combinations of distribution, timing, and change over time. The TRIX Hair Check reflects this structured approach.

The assessment is based on clinically relevant dimensions that are commonly used to differentiate between major hair loss types:

  • 1. Pattern and distribution

    Where thinning or hair loss is most noticeable provides important clues. Patterned loss, diffuse thinning, or localized patches each suggest different underlying mechanisms.

  • 2. Timeline and progression

    Hair loss that develops gradually over years follows a different logic than sudden shedding over weeks or months. The TRIX Hair Check looks at when changes started and how they have evolved.

  • 3. Hair shaft characteristics

    Changes in hair thickness, texture, or variability within the same scalp area can indicate follicular miniaturization rather than simple shedding.

  • 4. Stability of key scalp areas

    Certain hair loss types preserve specific regions (such as the frontal hairline or occipital scalp), while others do not. Stability or change in these areas provides valuable diagnostic context.

The TRIX Hair Check also considers background elements that may influence how hair loss presents, such as:

  • age and life stage
  • hormonal transitions
  • recent physical or emotional stressors
  • medical or lifestyle changes

These factors do not determine the diagnosis on their own. They help interpret the overall pattern rather than explain hair loss by themselves.

How the TRIX Hair Check works

The Hair Check guides you through a short, structured set of questions that reflect how hair loss is evaluated in clinical practice.

Rather than producing a single label, the outcome provides:

  • insight into the most likely hair loss pattern
  • clarity on whether the process appears progressive or reactive
  • guidance on appropriate next steps

The goal is not to replace medical evaluation, but to help you understand what may be happening and why different hair loss types require different approaches.

Start the TRIX Hair Check

Takes 2 minutes · Free · Based on 20+ years of dermatological experience

Hair loss types the TRIX Hair Check helps differentiate

Not all hair loss follows the same biological pathway. Some forms are temporary and self-limiting, while others are progressive and pattern-based. The TRIX Hair Check is designed to help clarify which category your situation most likely falls into, based on observable patterns rather than assumptions.

Below are the most common hair loss types the Hair Check helps distinguish between.

  • Alopecia Androgenetica (pattern-based hair loss)

    Alopecia Androgenetica is the most common form of progressive hair loss in both men and women. It develops gradually and follows recognizable patterns, driven by genetic sensitivity of specific hair follicles to androgens such as dihydrotestosterone (DHT).

    Typical characteristics include:

    • gradual onset over months or years
    • pattern-based thinning (e.g. frontal hairline, crown, or midline)
    • increasing hair shaft variability and miniaturization

    This type of hair loss typically does not resolve spontaneously and usually requires long-term, consistent support.

    Learn more about the biological mechanism and progression in our in-depth guide to Alopecia Androgenetica. 

  • Telogen Effluvium (temporary diffuse shedding)

    Telogen Effluvium is a non-scarring, diffuse form of hair shedding that occurs when a large number of hair follicles prematurely enter the resting phase of the hair cycle.

    Common features include:

    • sudden or noticeable increase in shedding
    • diffuse thinning rather than clear patterns
    • onset weeks to months after a trigger

    Typical triggers may include physical stress, illness, hormonal changes, or major life events. In many cases, hair growth gradually normalizes once the underlying trigger resolves.

    For a detailed explanation of triggers, timeline, and recovery, see our guide on Telogen Effluvium. 

  • Alopecia Areata (autoimmune hair loss)

    Alopecia Areata is an autoimmune condition in which the immune system targets hair follicles, leading to localized hair loss.

    Key characteristics include:

    • well-defined, round or oval bald patches
    • sudden onset
    • possible involvement of eyebrows or other body hair

    The course of alopecia areata is unpredictable and differs fundamentally from pattern-based hair loss.

    Read more about how alopecia areata differs from other forms of hair loss in our dedicated guide. 

Why differentiation matters

Although these conditions can appear similar in early stages, their cause, progression, and appropriate approach differ significantly.

Misinterpreting a temporary shedding process as progressive hair loss — or vice versa — often leads to unnecessary concern, unrealistic expectations, or ineffective strategies.

The TRIX Hair Check is designed to reduce this uncertainty by placing your experience into the right biological context.

What the result helps you understand

The TRIX Hair Check does not replace medical diagnosis or clinical examination.
Its role is to provide structured insight, helping you understand:

  • which hair loss pattern is most consistent with your situation
  • whether the process appears temporary or progressive
  • what type of follow-up may be appropriate

What happens after the Hair Check

After completing the TRIX Hair Check, you receive a structured overview of the hair loss pattern that most closely matches your situation. The result is based on how your answers align with commonly recognised hair loss characteristics, such as pattern, progression, and distribution.

The outcome is intended to provide clarity and context, not a medical diagnosis.

What happens after the Hair Check

The Hair Check outcome can help clarify:

  • whether the pattern appears progressive or temporary
  • whether hair loss is pattern-based or diffuse
  • how your situation compares to commonly recognised hair loss patterns
  • which next steps may be reasonable to consider

This information helps set realistic expectations and reduces uncertainty, especially in early or unclear stages of hair loss.

What the Hair Check does not do

To avoid confusion, it is important to note that the TRIX Hair Check:

  • does not diagnose a medical condition
  • does not replace clinical examination
  • does not prescribe treatment

Its role is to support informed understanding, so decisions are based on structure rather than assumptions.

How this insight can be used

With clearer insight into the type of hair loss involved, you are better equipped to:

  • decide whether further evaluation is appropriate
  • understand why certain approaches may or may not apply
  • consider long-term support options in a more informed way

For many people, this clarity alone already provides reassurance and direction.

Start the TRIX Hair Check

Takes about 2 minutes · Free to use · No obligations

A careful, informed first step

Hair loss can be difficult to interpret, especially when changes develop gradually or do not follow an obvious pattern. The TRIX Hair Check is designed to support clarity at this early stage, without assumptions or pressure.

It reflects a structured way of thinking about hair loss, similar to how patterns and progression are assessed in clinical practice, while remaining accessible and easy to use.

The goal is not to label, diagnose, or predict outcomes, but to help you understand what type of process may be involved and why different forms of hair loss require different considerations.

For many people, this first step already helps reduce uncertainty and brings perspective to a situation that can otherwise feel unclear.

  • "Hair loss assessment is rarely about a single symptom. Meaningful insight comes from looking at pattern, timing, and distribution together. The TRIX Hair Check was designed with that principle in mind.”

    Dermatology team involved in the development of the TRIX Hair Check
Start the TRIX Hair Check

Takes about 2 minutes · Free to use · No obligations

Based on more than 20 years of dermatological expertise

Frequently Asked Questions

Is the TRIX Hair Check a medical diagnosis?

No. The TRIX Hair Check does not provide a medical diagnosis. It offers structured insight based on hair loss patterns, progression, and commonly recognised characteristics, to help you better understand what may be happening.

How long does the Hair Check take?

The Hair Check takes about 2 minutes to complete. It consists of a short series of questions about your hair loss pattern and timeline.

Is the Hair Check free to use?

Yes. The TRIX Hair Check is free to use and comes with no obligations.

Who is the Hair Check intended for?

The Hair Check is designed for both men and women who are experiencing hair loss or changes in hair density and want clearer insight into possible patterns.

What happens after I complete the Hair Check?

After completing the Hair Check, you receive a summary indicating which type of hair loss pattern most closely matches your answers. This information can help guide realistic next steps or further orientation.

Is my information stored or shared?Is my information stored or shared?

The Hair Check is designed with privacy in mind. Your answers are used to generate your result and are not shared with third parties.