Hair loss: finding the cause and help in Luxembourg

Losing around 50 to 100 hairs a day is a normal part of the hair growth cycle. Alopecia is when shedding outpaces regrowth and the hair visibly thins over time. The possible causes range from genetics and hormones to stress, childbirth, nutrient deficiencies and autoimmune disease — and the right treatment depends entirely on which one is at play. In Luxembourg, the specialist to see is the dermatologist, who examines the scalp and pins down the cause before recommending any treatment.

Is it normal shedding or actual hair loss?

Every hair on your head follows its own cycle: it grows for several years, rests for a few months, then falls out and is replaced. At any given moment a small fraction of your hair is due to shed, which is why finding hairs on your pillow, brush or shower drain is completely unremarkable. Many people also notice heavier seasonal shedding in autumn or spring; this too settles on its own.

Different signals deserve attention: clumps of hair coming away in your hand, a widening parting, scalp showing through under bright light, a receding hairline, or smooth bald patches appearing seemingly overnight. Shedding that continues for more than three months, or hair loss combined with an itchy, red or flaky scalp, is a reason to book a medical appointment rather than reach for yet another “strengthening” shampoo.

What actually causes hair loss

Androgenetic alopecia: the common, inherited kind

Pattern hair loss is by far the most frequent cause. Driven by hormones and family genes, it typically produces a receding hairline and a thinning crown in men, while in women it tends to thin the top of the head diffusely, with the front hairline preserved. It progresses slowly over years — and it affects women far more often than most people realise, which sadly delays many consultations.

Telogen effluvium: shedding after a shock to the system

Two to four months after something that put the body under strain — childbirth, a high fever, surgery, an emotionally brutal period, a crash diet — hair can start falling diffusely and dramatically. This is telogen effluvium: a large share of follicles switched into the shedding phase at the same time. Post-partum hair loss is the textbook example. The reassuring part is that in most cases it is temporary, and regrowth starts by itself once the trigger has passed.

Deficiencies and general health

Low iron stores — common in menstruating women — thyroid problems or a diet short on protein can all show up as thinning, fragile hair. This is exactly why a blood test is often part of the work-up: correcting a proven deficiency works, whereas swallowing random supplements does not.

Alopecia areata: when the immune system misfires

Alopecia areata causes round, smooth, sharply outlined bald patches on the scalp or beard. It is an autoimmune condition in which the body mistakenly attacks its own hair follicles. Its course is unpredictable — spontaneous regrowth is common, relapses too — and it warrants dermatological follow-up, not least because its psychological impact is frequently underestimated.

At the dermatologist: cause first, treatment second

The consultation starts with detailed questions: when and how the shedding began, family history, pregnancies, current medication, eating habits. The dermatologist then inspects the scalp, often with a dermatoscope that magnifies the follicles, performs a gentle pull test and, where needed, orders blood work. None of this is box-ticking. A reactive shedding episode, an iron deficiency, alopecia areata and inherited pattern loss call for entirely different approaches, and a mistargeted treatment wastes precious time — sometimes at the very stage when follicles could still be rescued.

Depending on the diagnosis, management may involve correcting a deficiency, topical or systemic treatments to slow the loss and encourage regrowth, or informed patience where spontaneous recovery is expected. A good doctor will also be honest about what is achievable: slowing loss and adding density, yes; reviving follicles that disappeared years ago, no.

Why miracle cures deserve your scepticism

The hair loss market overflows with lotions, gummies, laser combs and subscription “cures”, all sold with striking before-and-after photos. Keep two facts in mind. First, telogen effluvium usually resolves on its own — whatever product you happened to be taking at the time simply claims credit for nature’s work. Second, no supplement regrows hair in someone who has no deficiency. Any product promising spectacular results within weeks, regardless of the cause, is marketing rather than medicine. The money is almost always better spent on a consultation that identifies the real problem.

How it works in Luxembourg

In Luxembourg you can book an appointment with a dermatologist directly — no referral is required — although your general practitioner can run a useful first assessment, including blood tests. Medical consultations and prescribed laboratory tests are covered by the National Health Fund (CNS) under the usual reimbursement conditions; cosmetic products and food supplements are not part of that cover. You can find a dermatologist near you and book online through Doctipro.