Guide
Hair loss — what products are available
Prepared by the LekCheck team · Last reviewed: 2026-07-25 · How we create our content
Hair loss can have many causes — seasonal changes, stress, nutritional deficiencies, hormonal factors or heredity. Some mild cases respond to scalp care and supplements, while persistent or patchy hair loss needs a medical assessment. Below we describe the commonly used over-the-counter products and supplements; choose an ingredient to see available products and prices. For sudden or heavy hair loss, consult a doctor.
This guide was prepared by the LekCheck team and has not been reviewed by a doctor or pharmacist. This article is for general information only and is not medical advice, diagnosis, or treatment. Do not start, stop, or change any treatment without consulting a doctor or pharmacist.
Common causes of hair loss
Hair loss can be temporary (e.g. after illness, stress, childbirth or a crash diet) or related to heredity and hormones. Deficiencies of iron, zinc or vitamin D, as well as thyroid conditions, can also contribute. Establishing the cause matters so that the choice of product makes sense.
Supplements and diet
With an unproven deficiency, supplements such as biotin, zinc or selenium are sometimes used to support the hair, but they only help if there is a real shortage and do not replace a varied diet. A balanced intake of protein, iron and vitamins matters more than a single supplement. If a deficiency is suspected, a test is sensible.
Scalp care and topical products
There are shampoos, lotions and serums aimed at fuller-looking hair and a healthy scalp. Their effect is limited and mostly cosmetic. Gentle care — avoiding aggressive brushing, heat styling and tight hairstyles — also helps reduce breakage and shedding.
When to see a doctor
See a doctor for sudden, heavy or patchy hair loss, round bald patches, redness, itching or flaking of the scalp, or if the hair loss comes with other symptoms. A dermatologist can establish the cause and suggest a suitable approach, including prescription options when appropriate.
Commonly used active ingredients
Pick an ingredient to see products and prices.
Related categories
Products with current prices
Lowest prices from online pharmacies in this guide's categories — cheapest first.
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Frequently asked questions
Do supplements help with hair loss?
Supplements such as biotin, zinc or selenium may help when the hair loss is due to a real deficiency of that substance. Without a deficiency, the effect is usually limited. So it is sensible to establish the cause first, rather than taking supplements at random.
Which vitamin is important for hair?
Several nutrients matter for hair health — iron, zinc, vitamin D, B vitamins (including biotin) and enough protein. More important than a single vitamin is a balanced diet. If a deficiency is suspected, a test guides whether and which supplement is suitable.
Is it normal to lose hairs every day?
Yes, losing tens up to around a hundred hairs a day is normal — it is part of the natural growth cycle. It is concerning when shedding sharply increases, the hair visibly thins or bald patches appear. Then it is good to see a doctor.
Does stress cause hair loss?
Severe physical or emotional stress can trigger temporarily increased hair shedding a few months later (telogen effluvium). It is usually reversible once the cause passes. If the hair loss continues or worsens, a medical assessment is advisable.
When does hair loss need a doctor?
See a doctor for sudden, heavy or patchy hair loss, round bald areas, scalp complaints (itching, redness, flaking) or if you have other symptoms too. A specialist can establish the cause and judge whether tests or prescription treatment are needed.