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Custom Formula

Your formula, tailored to you. Our doctor and pharmacy put together a topical treatment with exactly the strengths that suit you: minoxidil from 2% to 5%, finasteride up to 0.3%, with or without propylene glycol. Prepared in the Netherlands according to pharmaceutical standards.

  • You choose the strength: not everyone fits a standard formula. Had side effects before, need more, or have a sensitive scalp? Here you fine-tune the composition together with the doctor.
  • Prepared by hand in a Dutch pharmacy: every custom formula is reviewed separately by the dermatologist and prepared individually by Apotheek Transvaal. That's why this plan costs more than a standard formula.
  • How it works: place your order and then send us your preferred composition via WhatsApp. After the doctor's approval, you automatically receive the same formula every 3 months.

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€1.94
PER DAY
€175 per 3 months Enough for 3 months of treatment

Included in your plan

✓Free shipping
✓Free review by a dermatologist
✓Including a prescription from our doctor

And free extras for your routine:

Two products for your scalp, included as standard in your first delivery. Not medication: your prescribed treatment is prepared separately by the pharmacy.

Dermaroller A small roller with very fine needles that you move gently over your scalp. Once a week is enough. Rolling more often isn't better: your scalp needs time to recover. Not required, but recommended as part of your weekly routine.
Derma Cleaner Cleaning fluid made for your dermaroller. Clean it before and after every use and let it dry. That keeps the roller hygienic and makes it last longer. Belongs with rolling as standard. Never skip this step.
How does it work?
  1. Start the hair check (3 minutes).
  2. In the last step, put together your formula.
  3. Order.
  4. The doctor calls you, then the pharmacy makes your bottle.

The same formula every 3 months. You can adjust it via WhatsApp.

What can I choose?
Why €175 instead of €139?

Your bottle is made separately for you. If it turns out to be a standard formula after the call, you get the difference back.

What do I get?

Your formula for 3 months. With your first delivery also a dermaroller and Derma Cleaner (cosmetic, not medication).

Shipping and returns

After the call with the doctor, we send your formula discreetly to your home. Returns aren't possible, because it's made to measure. If the doctor doesn't prescribe anything, you get your money back.

Base ingredients

Aqua Purificata, Ethanol 96% Ph. Eur, Acidum (s)-lacticum 90% and possibly propylene glycol. The exact composition is on your label.

Rated 4.5 out of 5 stars Verified

So many new little hairs

Started 15 weeks ago. The day before yesterday my wife cut my hair and said: I see so many new little hairs on your head, they're everywhere!

Jaap, 4 days ago
Rated 4.5 out of 5 stars Verified

I've been using Kadeso for 4 months now

Over this period I'm seeing a positive change: my hair already feels a bit thicker and the fine hairs are starting to fill in.

Iben Van Belleghem, 24 Jun 2026
Rated 4.5 out of 5 stars Verified

Nourishes my scalp

It nourishes my scalp and there's a bit less hair loss than normal. I've only been using it for 3 weeks. Either way I'm happy :)

Ouis, 12 Jun 2026
Rated 4.5 out of 5 stars Verified

Really nice product

Smells really pleasant, easy to use, and good value in the long run. Customer service always helps as quickly as possible via WhatsApp.

Martin, 26 May 2026
Rated 4.5 out of 5 stars Verified

So far so good

Started a few weeks ago. My hair looks healthier. The serum smells great and is very easy to apply. The kit feels very professional.

Tinus, 11 May 2026
Rated 4.5 out of 5 stars Verified

Good product

The explanation is very good. And the questionnaire is really nice for making a personalised plan.

Ron, 25 Mar 2026

Does this work for me?

Prof. dr. Janmohamed, interviewed and quoted as a hair expert by, among others:

Custom formula

Four active ingredients.
Once a day.

Glass petri dish with finasteride

Finasteride

up to 0.3%

Tackles the cause, right where it happens

Inhibits DHT, the hormone that makes the hair root smaller every cycle. That way you keep what's still there. You apply it to the scalp, so much less ends up in your blood than with a tablet.

Glass petri dish with minoxidil

Minoxidil

up to 5%

More blood and oxygen to the root

Opens up the small blood vessels around the hair root and keeps hairs in the growth phase longer. That way hairs keep growing longer.

Glass petri dish with tretinoin

Tretinoin

0.01% or 0.025%

Once a day is enough

Helps minoxidil get through the scalp to the root better. That's why once a day is enough instead of twice. Thirty seconds and you're done.

Glass petri dish with cetirizine

Cetirizine

1%

A calm scalp as the foundation

Inhibits prostaglandin D2, a substance that slows hair growth and is elevated in a balding scalp. Also has an anti-inflammatory effect.

Glass petri dish with two base versions, with and without PG

With or without PG

Matched to your scalp

Propylene glycol helps dissolve the active ingredients. Sensitive scalp? Choose the PG-free base. Every formula is available in both versions.

Studies were carried out in research groups and say nothing about the result for one person. The doctor decides which formula suits you after the hair check.

The questions you still have, answered by a professor

Prof. dr. Sherief Janmohamed, dermatoloog en professor, beantwoordt jouw vragen. Elk fragment komt letterlijk uit de aflevering van ruim een uur.

Price

€1.54

Per day*

€139 per quarter. Doctor, pharmacy, prescription and support included.

Elke aanvraag wordt persoonlijk beoordeeld door Prof. dr. Sherief Janmohamed, dermatoloog en professor.

*Service price. Differs for a custom formula.

How do you know
If you see your temples thinning or receding, you can be almost certain it's hereditary.
Temples and crown
Is it caused by DHT? Fact. The location is very typical.
Why bald
Eventually 80 percent of men deal with it. Some hair follicles are sensitive to DHT.

General information about hair loss, not personal medical advice. Unsure about your own situation? Discuss it with a doctor.

Start the hair check

1. Start the questionnaire

Start the questionnaire on your phone
3 min.

Beantwoord enkele vragen over je gezondheid. Zo kan prof. Dr. Janmohamed beoordelen of een behandeling bij je past.

2. Place your order

Place your order
1 min.

Choose the treatment you want and complete your order securely.

3. Review by a dermatologist

A dermatologist reviews your request
within 48 hours

Our dermatologist reviews your request and calls you. If you are not eligible, your money is refunded automatically.

4. Delivered discreetly to your home

Discreet package delivered to your door
1-3 working days

Your treatment is prepared by the pharmacy. Shipped free and discreetly with PostNL.

How topical finasteride works

The problem: DHT

DHT weakens the hair roots and causes hair loss

DHT is a substance in your scalp that weakens your hair roots. That makes your hair fall out.

Stop the shedding

Hair roots protected from DHT fall out less quickly

You apply it to your scalp. There it keeps DHT away from your hair roots, so your hair falls out less quickly.

Keep using it

Daily use maintains the result

If you use it every day, you keep the result.

Based on research into finasteride. Results vary per person.

KÁDESO LABS VS. THE REST

Features
THE REST
Treatment by a dermatologist
✓
—
Prepared in a Dutch pharmacy
✓
sometimes
WhatsApp support, 7 days a week
✓
—
Personal treatment plan
✓
limited
Not greasy, absorbs quickly
✓
sometimes

Clinical research

Pill vs topical

A European study of 458 men compared finasteride as a pill and topically, on the scalp. This is what was seen after 24 weeks.

Oral · pill
  • Extra hairs per cm²+21
  • Drop in DHT in the blood56%
Topical · on the scalp
  • Extra hairs per cm²+20
  • Drop in DHT in the blood35%

‹ swipe for both forms ›

Topical gave over 100 times less active ingredient in the blood than the pill.

About the study

Phase III, double-blind and randomised. 458 men aged 18 to 40, in 45 clinics in Europe, over 24 weeks.

Piraccini et al., J Eur Acad Dermatol Venereol 2022;36(2):286-294. Read the study

What do the numbers mean?

Extra hairs: average increase on 1 cm² of the crown, from a starting point of about 200 hairs.

Drop in DHT: how much the hormone DHT dropped in the whole body, not just in the scalp.

Active ingredient in the blood: on average 48 pg/mL topical versus 5,029 pg/mL with the pill.

This is not medical advice. Local application is not registered in the Netherlands for this indication and is only available on prescription, after review by a doctor.

Who is behind KÁDESO

Our specialist is bald himself. Because he was too late.

Hair follicles that are completely gone don't come back. Thin hair can become thicker again. That's why this is his mission: making sure you're on time.

Prof. dr. Sherief Janmohamed, dermatologist

Medically reviewed by

Prof. dr. Sherief Janmohamed

Dermatologist · professor · trichology advisor

Prof. dr. Janmohamed lost his hair at a young age. Not because nothing could be done, but because he started too late. That lesson now shapes his work. As long as a hair follicle is alive, you can keep it and thin hair can become thicker. Once the follicle is completely gone, it doesn't come back. That's why he reviews every request personally, as a recognised dermatologist and professor specialised in hair and scalp. His mission: making sure other men don't end up like him.

BIG number 39066055201

Because he was too late. His hair loss started at a young age, and he didn't act in time. Hair follicles that have completely disappeared don't come back. That's true for everyone, a professor included. What is possible: making thin hair thicker and keeping the hair you have. That's exactly why timing is his message to every patient. The sooner you start, the more there is to save.

Hair loss has many causes: hereditary, hormonal, a condition of the scalp. A dermatologist is the specialist who recognises exactly those differences. He knows what he's looking at and decides on that basis whether a treatment suits you, and which one. That's the difference between a medicine you happen to get prescribed and a treatment reviewed by the right specialist.

  • Professor and dermatologist, University Hospital Brussels (2020 to present)
  • Associate Editor, Pediatric Dermatology (2020 to present)
  • Advisor Trichology, Intermedica Wijchen (2018 to present)
  • Postdoctoral Fellow, Northwestern University, Chicago (2018 to 2020)
  • Residency in dermatology, venereology and allergology, UZ Brussel (2014 to 2018)
  • PhD research in dermatology, Erasmus MC Rotterdam (2010 to 2014)

Trichology is the field that focuses entirely on hair and scalp. As a trichology advisor, Prof. dr. Janmohamed is specialised in exactly what matters with hair loss.

Prof. dr. Janmohamed as a hair expert on

How it works

Apply it yourself, step by step.

You apply your topical treatment yourself, easily.

Daily application

Once a day. 30 seconds. Not greasy & dries quickly.

  1. 1Apply to the scalp, as prescribed by your doctor.
  2. 2Massage in gently with your fingers, spreading evenly.
  3. 3Let it absorb and leave it on. No need to rinse.
Good to know

Frequently asked questions

What is finasteride?

Finasteride inhibits the enzyme 5α-reductase, which converts testosterone into DHT (dihydrotestosterone). DHT is the hormone that shrinks hair follicles and so causes hereditary hair loss. With less DHT, finasteride can stop or slow hair loss, so you keep what you have.

What causes hair loss in men?

The most common cause is hereditary (androgenetic) hair loss. The hormone DHT gradually weakens your hair follicles, so hairs get thinner and thinner until they eventually stop growing. The sooner you act, the more hair you can keep.

What is topical finasteride and how does it differ from the pill?

The difference is the route of administration. A tablet is absorbed through the digestive tract and spreads through the body via the bloodstream. Topical finasteride is applied to the scalp, where it is absorbed locally through the skin. Even with local application, part of the active ingredient reaches the bloodstream; how much depends on things like the strength, the base and the amount applied. The doctor assesses which form is suitable.

Is finasteride effective?

Finasteride is one of the best-researched treatments for hereditary hair loss. It tackles the cause (DHT) around the hair follicle and can stop or clearly slow hair loss. Results vary per person and are only maintained with consistent use.

Is topical finasteride as effective as oral (the pill)?

In a randomised phase III study of 458 men, the number of hairs increased with topical application to a similar degree as with the tablet (Piraccini et al., JEADV 2022). Important: that study used a specific dose and a different formula base than ours. Research outcomes don't automatically apply to other strengths or amounts. The doctor assesses what is suitable in your situation.

Are there side effects?

Yes, they are possible. Locally, a dry, itchy or irritated scalp is most common. In addition, rare systemic side effects are generally reported with finasteride, such as reduced libido or erection problems. Part of the active ingredient is absorbed into the bloodstream even when applied to the skin, so these side effects cannot be ruled out. Discuss this with the doctor during your intake, and contact us if you experience complaints.

How long until I see results?

Hair grows slowly. Most men see the first change after about 3 to 6 months, with a fuller look around 12 months. Daily, consistent use is important.

Can I just stop taking finasteride?

The effect only lasts as long as you use it. If you stop, hair loss gradually returns over time. Want to stop or change your treatment? Talk to your doctor first.

Do I need a prescription?

Yes. Topical finasteride is prescription-only and is only supplied after a short online intake reviewed by a Dutch doctor, and prepared by a Dutch pharmacy. You fill in a questionnaire that takes a few minutes.

Who is it (not) suitable for?

Topical finasteride is intended for adult men with hereditary hair loss. It is not suitable for women who are pregnant or want to become pregnant. Our doctor assesses during the intake whether the treatment suits you.

This is general information, not medical advice. Topical finasteride is not approved by the CBG/EMA for hair loss and is supplied exclusively through a Dutch doctor and pharmacy, for adults.

Made in the Netherlands. Quality you can trust.
Our topical finasteride is compounded by Transvaal Apotheek The Hague. Prescriptions are issued by Prof. dr. Sherief Janmohamed.
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