KNOWLEDGE BASE

Everything about hair loss and hair growth

Learn to recognize different forms of hair loss, discover possible causes, and understand which processes affect the hair cycle. Read reliable information about recovery, support, and the use of minoxidil.

View all topics
Woman looking at her hair and learning more about hair loss and hair growth.

Types of hair loss

Hair loss can develop in different ways. Learn about the main types and discover their associated characteristics and patterns.

Different patterns of hair loss, including a receding hairline, bald spot, and diffuse thinning

START HERE

What types of hair loss are there?

View the complete overview of common types of hair loss and learn to recognize the differences between diffuse hair loss, patchy hair loss, and a receding hairline.

View all types of hair loss
Examples of gradual or hereditary hair thinning in men and women.

HEREDITARY HAIR LOSS

Androgenetic alopecia

A hereditary form of hair loss in which the hair gradually becomes thinner in a recognizable pattern.

View androgenetic alopecia
Examples of increased or diffuse hair loss in men and women

DIFFUSE HAIR LOSS

Telogen effluvium

A form of diffuse hair loss that can occur when more hairs than usual enter the resting phase at the same time.

View telogen effluvium
Examples of localized or patchy hair loss in men and women

LOCAL HAIR LOSS

Alopecia areata

An autoimmune disease that usually causes sudden, round or oval patches of hair loss.

View alopecia areata
Clinical illustration of frontal fibrosing alopecia (FFA) with a receding hairline and mild eyebrow thinning

SCARRING HAIR LOSS

Frontal fibrosing alopecia

A form of scarring hair loss in which the frontal hairline usually gradually recedes.

View FFA

Recognizing hair loss

Hair loss does not look the same for everyone. Learn to recognize different patterns and discover when hair loss may differ from what is normal.

Three men show different patterns of hair loss: receding temples, thinning at the crown, and a localized bald spot.

FOR MEN

Hair loss in men

Discover common causes and recognizable patterns, such as receding temples, a thinning crown, and diffuse hair loss.

View hair loss in men
Three women show different patterns of hair loss: a wider central part, diffuse thinning, and a localized bald spot.

IN WOMEN

Hair loss in women

Learn how hair loss can develop in women and which hormonal, hereditary, and temporary factors may play a role.

View hair loss in women
Woman notices noticeably more loose hairs on her pillow within a short period.

SUDDEN HAIR LOSS

Sudden hair loss

Discover possible causes when you lose noticeably more hair in a short period or notice localized bald spots.

View sudden hair loss
Women of different ages and hair types care for their hair in their own way

NORMAL OR ABNORMAL?

How much hair loss per day is normal?

Learn how much hair you can normally lose and which changes may be a reason to investigate your hair loss more closely.

Read more
Woman examines shorter, uneven hair lengths consistent with hair breakage

RECOGNIZE

Hair breakage or hair loss?

Learn to recognize the difference between hairs that come loose at the root and hairs that break somewhere along the hair shaft.

Read more
Comparison of follicular miniaturisation and the temporary resting phase in telogen effluvium

COMPARISON

Androgenetic alopecia or telogen effluvium?

Compare hereditary hair loss with temporary diffuse hair loss and discover the key differences in pattern, onset, and progression.

Read more

Causes and life stages

Illness, hormonal changes, weight loss, and prolonged strain can temporarily disrupt the hair cycle. Find out which situations may be associated with increased hair loss.

Woman combines daily nutritional support with a complete recovery meal

AFTER ILLNESS

Hair loss after illness, fever, or surgery

Read why physical strain after an illness, high fever, or surgery can cause diffuse hair loss several months later.

Read more
Woman combines a nutritious breakfast with her daily nutritional support

TRANSITION

Hair loss during menopause

Discover how hormonal changes around menopause can affect the hair cycle, hair structure, and hair density.

Read more
Woman examines her eating habits and touches herself after a period of weight loss

WEIGHT LOSS

Hair loss after losing weight or following a strict diet

Learn how rapid weight loss, restricted energy intake, and potential nutritional deficiencies can trigger temporary hair loss.

Read more
Woman examines diffuse hair loss in her hairbrush after stopping the pill

HORMONAL CHANGE

Hair loss after stopping the pill

Discover why a change in hormone levels after stopping birth control can temporarily cause increased hair loss.

Read more
A woman notices temporarily more loose hairs in her hairbrush during the transition to autumn.

SEASONS

Seasonal hair loss

Read why you may lose more hair during certain periods and when seasonal hair loss may deviate from normal.

Read more
Mother notices a few loose hairs in the months after giving birth while her baby rests beside her.

AFTER GIVING BIRTH

Postpartum hair loss

Discover why many women temporarily lose more hair after pregnancy and how natural recovery usually progresses.

Read more
Comparison between pattern hair thinning and diffuse hair loss

COMPARISON

Hair loss due to stress or hormones?

Compare recognizable signs of stress-related hair loss with hair loss associated with hormonal changes.

Read more
Woman during recovery after illness, stress, or hormonal changes

STRESS

Hair loss due to stress

Learn how physical or emotional stress can affect the hair cycle and when the hair may recover.

Read more

More about telogen effluvium

Telogen effluvium is a form of diffuse hair loss that often becomes noticeable several months after physical or emotional stress. Learn more about possible causes, duration, and persistent symptoms.

Possible triggers of telogen effluvium, such as stress, illness, and hormones

POSSIBLE CAUSES

What causes telogen effluvium?

Discover which events and changes can disrupt the hair cycle and temporarily cause more hairs to enter the resting phase.

Read more
Woman comparing multiple months to track long-term diffuse hair loss

COST AND RECOVERY

How long does telogen effluvium last?

Learn how long the period of increased hair loss can last and when the first signs of recovery may become visible.

Read more
Woman maps out various possible factors contributing to long-term hair loss

PERSISTENT HAIR LOSS

Chronic telogen effluvium

Discover what chronic telogen effluvium means and which factors can be investigated when diffuse hair loss persists.

Read more

Hormones, hair follicles and support

Understand how hormones and changes in hair follicles are linked to hereditary hair loss. Also learn what is known about saw palmetto as a supportive ingredient.

Comparison of a normal and androgen-sensitive hair follicle

HORMONES

DHT and hair loss

Learn what dihydrotestosterone is and why sensitive hair follicles influenced by DHT may gradually produce smaller hairs.

Read more
Medical illustration of 5-alpha-reductase converting testosterone into DHT in hair follicles

ENZYME

5-alpha reductase and hair loss

Discover how the enzyme 5-alpha-reductase converts testosterone into DHT and why this process is relevant to hereditary hair loss.

Read more
Successive stages of follicular miniaturisation due to DHT sensitivity

HAIR FOLLICLES

Follicular miniaturization in androgenetic alopecia

Understand how hair follicles in androgenetic alopecia can shrink and consequently produce increasingly thinner and shorter hairs.

Read more
Saw palmetto leaves and dark berries are being studied in a laboratory

INGREDIENT EXPLAINED

Saw palmetto and hair loss

Learn what saw palmetto is, how it is linked to DHT, and what is known about its use for hair loss.

Read more

Minoxidil explained

Learn how to use minoxidil and what men and women need to know before starting minoxidil.

Woman washes her hands and lets the scalp lotion dry after applying it

USE

Using minoxidil

Learn how to apply minoxidil to the scalp, how often to use it, and what to keep in mind during treatment.

Read more →
Woman applies scalp lotion directly to the dry scalp between the hair strands

FOR WOMEN

Minoxidil for women

Discover when minoxidil is used in women and which considerations are important when treating hair loss.

Read more →
Man applies scalp lotion specifically to the dry scalp at the crown

FOR MEN

Minoxidil for men

Learn how minoxidil is used by men with hereditary hair loss and what to expect from long-term use.

Read more →

FREE HAIR CHECK

Don't know where to start?

Answer a few short questions about your hair loss. In about 2 minutes, you’ll gain more insight into which type of hair loss may apply to your situation.

Start the Hair Check

Free and with no obligations

Within approximately 2 minutes

Personal result by email

The Hair Check is a decision aid and not medical advice or a diagnosis.

Example of the TRIX Hair Check for choosing a suitable product.

TRIX BASIC SOLUTIONS

Ready to give your hair targeted support?

Discover our carefully selected supplements and lotion for different types of hair loss. Choose the solution that suits your situation.

View all products