The essentials at a glance
- Seven criteria upfront: wavelength, NiSV certification, skin type check, cooling, package price, realistic expectations, written contract.
- Twelve questions for your consultation about the technology, your skin, and the process, with examples of good answers.
- In the contract, look out for package validity, cancellation policies, breaks, and interest rates. Laserazor packages are valid for 24 months in all studios, and from 300 € you can pay in 12 instalments at 0 %.
- Red flags: pressure to sign immediately, no mention of wavelength, bait pricing for tiny areas, lasers for grey hair.
- Laserazor does not have a studio in Köln. The decision table shows when Köln makes sense and when Düsseldorf does.
What makes the best laser hair removal
The best laser hair removal is one where the wavelength and energy match your skin type, you're treated by a specialist with NiSV certification, the skin is cooled before every pulse, and the contract clearly sets out the duration, cancellation policy, and the price for the whole package.
There is no one-size-fits-all winner. For fair skin with dark hair, a different wavelength is ideal compared to dark or tanned skin. If you only want your upper lip treated, you'll look out for different things than someone getting their legs and back lasered. That's why this checklist is designed for you to work through during your consultation: first the criteria, then the questions, then the contract.
For context: Laserazor doesn't have a studio in Köln. The nearest Laserazor studio opens in January 2027 in Düsseldorf, Elisabethstraße 30, 40217 Düsseldorf, 22 to 30 minutes by train from Köln Hbf. The checklist applies to every provider, including us. At the end, a decision table helps you figure out when a provider in Köln makes sense and when Düsseldorf does.
Seven criteria before your first appointment
You can clear up most points on the phone or on the website, and the rest during your consultation. If a provider fails on two points upfront, you can save yourself the appointment.
| Criterion | How to check this | What's good |
|---|---|---|
| Technology | ask about the wavelength in nanometres | a specific wavelength, for dark skin Nd:YAG 1064 nm |
| Qualifications | ask who is doing the treatment and if this person has NiSV qualifications | proof for the individual, not just the studio |
| Skin Type Check | ask if skin type, medication and sun exposure are checked before the first session | check and test pulses before the first treatment |
| Cooling | ask how the skin is protected during the treatment | Cooling immediately before each pulse |
| Price | ask for the price for the complete area and the whole course | fixed prices per area, course price in writing |
| Expectations | ask how many sessions are realistic | 8 to 12 sessions and an honest statement about light and grey hair |
| Contract | Ask to see the duration, package validity and cancellation policy | in writing, easy to understand, and with no rush |
Specialist expertise isn't an optional extra. Since 31 December 2020, the NiSV has required a certificate of competence for laser and IPL hair removal. Enforcement is handled by the federal states; in NRW, the district governments are responsible (occupational health and safety), and anyone offering commercial laser hair removal must notify the relevant authority before starting operations (BMUKN). Read more in our guide NiSV in NRW.
The consultation: twelve questions
A good consultation clarifies your skin type, hair colour, medication and any skin changes before your first treatment. It uses test pulses to show how your skin reacts, and gives you a realistic number of sessions and the price for the whole course.
Take these questions with you, on paper or on your phone. The answers will tell you more about a studio than any advert. Also pay attention to who is asking: a good studio will ask you at least as many questions as you ask them.
About the technology and the practitioner
- Do you use laser or IPL, and what wavelength do you use?
- Which wavelength do you use for my skin type, and why?
- Who will be treating me, and can I see their NiSV certificate of competence?
- How will my skin be cooled during the treatment?
About your skin and hair
- What is my skin type, and what does that mean for sun exposure and holidays?
- Will my hair actually respond to the laser?
- What about my medication, and any moles or tattoos in the treatment area?
- Will I get test pulses before the first session?
How the treatment series works
- How many sessions are realistic for my treatment area, and how far apart?
- How should I prepare, and what's the aftercare?
- What happens if a few hairs grow back after the treatment series?
- Can I combine multiple treatment areas in one appointment?
What good answers sound like
Good answers are specific. For question 1, you'll hear a number, like Alexandrit 755 nm or Nd:YAG 1064 nm. For question 6, you'll get an honest reply: grey, white, and light blonde hairs don't respond to any laser, and red hair only partially. For question 9, the answer is 8 to 12 sessions spaced six to eight weeks apart, because the laser only targets hair in the growth phase (Gan and Graber 2013). For question 10, you'll get a clear list: no waxing, epilating, or plucking four weeks prior; no sun or fake tan two weeks prior; shave 12 to 24 hours beforehand; and on the day of treatment, no sports, no sauna, no sun, plus SPF 50 for two weeks afterwards. For question 11, they'll explain that hormonal changes can trigger new growth, and a top-up session is usually all you need.
It's also a good sign if side effects are discussed openly. The Bundesamt für Strahlenschutz lists redness, pigmentation changes, and – if the wrong energy level is used – burns as potential risks. A studio that explains this and tells you how they avoid it is taking you seriously.
Contract terms: duration, cancellation, packages, instalments
A fair contract for laser hair removal states the total price, the number of sessions, the package validity, the rules for cancellations and breaks, and – if paying in instalments – the interest and total amount, all in writing and before you sign.
A treatment series takes about one to one and a half years. A lot can happen in that time: moving house, pregnancy, a long summer, or illness. That's why the contract is much more important here than for a single beauty treatment. Check these points before you sign.
| Contract clause | What to ask | Good sign | Red flag |
|---|---|---|---|
| Duration and package validity | How long can I use the sessions? | enough time for the course with a buffer | sessions expire after a short time |
| Cancellation and termination | What happens to unused sessions if I stop? | a clear, written policy | no answer or only verbal |
| Breaks | Can I take a break due to sun exposure, illness or pregnancy? | breaks don't cost sessions | taking a break causes sessions to expire |
| Instalment payments | How many instalments, what's the interest rate, who is the contract partner? | Interest rate and total amount are in the contract | Interest rate only in the small print |
| Flat rate or subscription | How long does it run for, and how do I cancel? | Duration and cancellation clearly defined | Renewal without clear notice |
| Switching studios | Can I use sessions at another studio? | yes, at the same price | only at one location |
| Extra sessions | What does a session cost after the package? | the single price is on the price list | the price is only revealed later |
If you're buying online or over the phone, make sure to ask about the cancellation policy and how it affects sessions you've already had. And never sign up on the same day you first hear about an offer if you're feeling pressured.
Here are the terms at Laserazor
- Package validity: Packages of 3, 5 or 10 sessions are valid for 24 months. Ten sessions spaced six to eight weeks apart take around one to one and a half years, so the timeframe leaves plenty of room for breaks.
- Changing studios: Purchased packages are valid in all Laserazor studios, and prices are the same everywhere.
- Instalments: For total prices from 300 €, you can pay in 12 instalments at 0 %. For example, full legs in a 10-session package for 1.800 € would be 12 instalments of 150 €.
- Flat rate: The VIP flat rate starts at 109 € a month. You can find the terms on the VIP flat rate page.
- Before you buy: the 0 € trial session includes a skin type check, test pulses and one complete treatment area, with no obligation to buy or subscribe.
- Additional sessions: at the single session price for the area according to the price list, 79 € for underarms.
Red flags in consultations and contracts
Some signs are enough of a reason to politely end the conversation. Here are eight of them.
- Pressure to sign immediately. Hearing "only today" during your first consultation is a bad sign. A trustworthy offer will still be valid next week.
- No mention of wavelength. If they can't tell you which wavelength they use, they also can't tell you if it's right for your skin type.
- No skin type check, no test pulses. This is especially risky if you have dark or tanned skin.
- Promises instead of explanations. Claims like "hair-free forever after three sessions" or "you won't feel a thing" don't align with the hair growth cycle or clinical studies. The Cochrane review by Haedersdal and Gøtzsche 2006 found around a 50 percent hair reduction up to six months after treatment, but long-term data over several years was lacking.
- Tiny areas as bait. A cheap starting price, but it doesn't answer how much a complete treatment area will actually cost.
- Treatment despite a fresh tan. No sun for two weeks before every session is the rule, not the exception.
- Dodging the qualification issue. NiSV certification is mandatory, even in a beauty studio.
- Lasers for grey hair. Anyone selling you a course of laser treatments for white or grey hair is selling you sessions that won't work.
How to read reviews properly
Meaningful reviews describe a specific area, the progress over several sessions, and how the studio handles problems, and they are spread out over a longer period of time.
Stars alone don't help much. Read the texts and look out for four things. First: Is it about multiple sessions? The results only show over time; a review after the first appointment mostly tells you about friendliness. Second: How does the studio respond to criticism? Objective answers are a good sign, excuses are a bad one. Third: Are the reviews spread over months and years, or did a lot come in all at once? Fourth: Is a skin type or area mentioned that matches yours? One review from someone with similar skin is worth more than ten general ones.
There are no reviews yet for the new studio in Düsseldorf. Across all existing Laserazor studios, there are 5,0 stars from 3.266 reviews on ProvenExpert and over 2.600 Google reviews. Make sure to read the critical voices there too.
Köln or Düsseldorf: the decision table
Whether a provider in Köln or the Laserazor studio in Düsseldorf is a better fit depends on your situation. The table shows typical cases.
| Your situation | Better in Köln | Better in Düsseldorf |
|---|---|---|
| Skin condition in the area, medications that cause light sensitivity, or unclear hair growth | Dermatology clinic in Köln for clarification | only after medical clearance |
| mostly grey, white or light blonde hair | electrolysis at a clinic near you | not recommended, the laser doesn't work here |
| a small zone, and a Köln clinic meets all the criteria | short travel times speak for Köln | better value when combined, like full face for 70 € per session in a 10-session package |
| dark or tanned skin | only with Nd:YAG and proper qualifications | Nd:YAG 1064 nm and Alexandrit 755 nm in the same studio |
| large areas or multiple zones | if the technology and package price are right | prices per full zone, one trip for multiple zones |
| you work in Düsseldorf or are there often | no particular advantage | Book appointments for these days |
| you want to start before January 2027 | provider in Köln, if they meet the criteria | sign up for the opening |
| you're often in Berlin, Hamburg, München or Augsburg | no particular advantage | Packages are valid in all Laserazor studios |
The journey is straightforward: RE1, RE5 or ICE from Köln Hbf in 22 to 30 minutes, then tram 708 or 709 to Graf-Adolf-Platz and about a five-minute walk. By car, it takes around 40 to 50 minutes via the A57 or A3 without traffic. All routes are in our guide Directions from districts and surrounding areas, and the costs including travel are in the guide Laser hair removal Köln: Prices and costs. The choice between a clinic and a studio is covered in the guide Dermatologist or laser studio, and the evaluation criteria from a Düsseldorf perspective can be found under Best laser hair removal in Düsseldorf.
Your next step
Take the twelve questions to two or three consultations and write the answers down side by side. Afterwards, don't compare the price of a single session, but the price of the entire series for the complete zone and the contract terms. If you want to try Laserazor in Düsseldorf: The studio opens in January 2027. Online booking isn't available for Düsseldorf yet, but you can sign up in advance and you'll receive an invitation for a 0 € trial session with a skin type check, test pulses and one complete zone, with no obligation to buy and no subscription. The booking service can be reached at 030 310 13 860.
Sign up for the Düsseldorf opening
Sign up and we'll invite you to the first appointments in January 2027, with a 0 € trial session for a complete zone. No purchase, no subscription.
Frequently Asked Questions
What is the best laser hair removal for Köln?
The one where the wavelength and energy match your skin type, a specialist with NiSV certification treats you, the skin is cooled before every pulse, and the contract clearly sets out the duration, cancellation policy and series price. For light to medium skin, Alexandrit 755 nm is efficient; for dark and tanned skin, Nd:YAG 1064 nm is safer. Laserazor doesn't have a studio in Köln, the nearest one opens in January 2027 in Düsseldorf.
What questions should I ask during the consultation?
Ask about the method and wavelength, the best wavelength for your skin type, proof of NiSV certification, the cooling system, test pulses, the realistic number of sessions (8 to 12), preparation and aftercare, top-ups, and whether you can combine multiple zones in one appointment.
How long should a laser hair removal package be valid for?
Long enough for the whole series with a buffer. Ten sessions spaced six to eight weeks apart take about one to one and a half years. Laserazor packages with 3, 5 or 10 sessions are valid for 24 months and in all studios.
Can I cancel a package?
Every provider sets their own contract terms. Before you buy, ask what happens to unused sessions and get it in writing. If you're buying online or over the phone, make sure to ask about your cancellation rights. At Laserazor, you can always have a 0 € trial session for a full zone before committing to a package – no purchase, no subscription – and decide afterwards.
Does paying in instalments make sense for laser hair removal?
Yes, as long as it's interest-free and the total amount is clearly stated in the contract. At Laserazor, any total over 300 € can be split into 12 instalments at 0 % – for example, a 10-session package for full legs at 1.800 € would be 12 instalments of 150 €. With other providers, always check the interest rate, the contracting party, and the total amount.
How do I spot an unprofessional provider?
By pressure to sign up on the spot, no mention of the wavelength used, skipping the skin type check and test pulses, promises like 'hair-free forever after three sessions', bait pricing for tiny areas, dodging questions about their NiSV qualifications, and selling laser treatments for grey or white hair.
How should I read laser studio reviews?
Look out for whether a review covers multiple sessions, how the studio responds to criticism, if the reviews are spread out over months and years, and whether they mention a skin type or treatment zone similar to yours. Across all existing studios, Laserazor has 5,0 stars from 3.266 reviews on ProvenExpert and over 2.600 Google reviews.
When is a provider in Köln a better choice than one in Düsseldorf?
If you're only having a small zone treated and the provider in Köln meets all the criteria, if you want to start before January 2027, if you have mostly grey or white hair and need electrolysis, or if a skin condition needs to be checked by a doctor first.
Are there any reviews for Laserazor Düsseldorf yet?
No. The studio doesn't open until January 2027, so it doesn't have its own reviews yet. Across all existing Laserazor studios, we have 5,0 stars from 3.266 reviews on ProvenExpert and over 2.600 Google reviews.
Sources
The expert statements in this guide are based on the following sources. For each source, you'll find who wrote it, when it was published and its status.
- Federal Government (Regulation) (2018, in effect since 31.12.2020). Ordinance on Protection against the Harmful Effects of Non-Ionising Radiation in Human Applications (NiSV). Federal Law Gazette 2018 Part I, page 2034. statutory order. View source. Regulates who is allowed to use lasers and IPL on humans. For hair removal, proven expertise is mandatory; treatments that intentionally damage tissue are reserved for doctors.
- Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (BMUKN) (continuously updated). Fundamental questions about the NiSV. bundesumweltministerium.de, FAQ. Official information. View source. Explains which treatments the NiSV applies to, that enforcement is handled by the federal states, and what qualifications are required for cosmetic laser treatments.
- Gan SD, Graber EM (2013). Laser hair removal: a review. Dermatologic Surgery, Volume 39, pages 823 to 838. peer-reviewed review article. View source. Summarises research, side effects and treatment parameters; confirms the role of the hair cycle for the number of sessions.
- Bundesamt für Strahlenschutz (BfS) (continuously updated). Hair removal with laser and IPL: Information from the Federal Office for Radiation Protection. bfs.de, optical radiation section. Official information. View source. Explains the working principle and risks (redness, pigment changes, burns if the wrong energy is used) and recommends application by qualified professionals.
- Haedersdal M, Gøtzsche PC (2006). Laser and photoepilation for unwanted hair growth. Cochrane Database of Systematic Reviews, Issue 4, CD004684. systematic review (Cochrane). View source. Evaluates randomised trials: Alexandrit and diode lasers show a hair reduction of around 50 percent up to six months after treatment; data for IPL and Nd:YAG was thinner at the time. Long-term data over years was missing in the evaluated studies.
- Laserazor (as of 9. September 2026). Laser hair removal price list, all 31 zones. laserazor.de/preise. own price list. View source. Single sessions and packages of 3, 5 and 10 sessions, valid in all studios, 24-month duration.
¹ 'Permanent' means: after a complete series, no hair that the laser has reached will grow back in the treated zone. No laser can reach grey, white and very light hairs. Hormonal changes can trigger new growth, in which case a top-up session is usually enough.
NiSV-certified specialists from the Laserazor studios in Berlin, München, Augsburg, Hamburg and Düsseldorf. They perform treatments daily with Alexandrit and Nd:YAG lasers and write down here what they explain in the studio: no marketing promises, with sources.
This guide provides general information and doesn't replace medical advice, diagnosis or treatment. Laser hair removal is a cosmetic procedure; if you have skin conditions, take medications that increase light sensitivity, are pregnant or have unexplained hair growth, it makes sense to get medical advice first.
