Articles
Knowledge
How light-based hair removal technologies work, how to choose a device and what training on it includes.
Technology
- Three-pulse energy delivery: what it is and why it mattersOne powerful pulse against three with pauses: how the shape of energy delivery affects skin heating and why pauses are needed between pulses.
- Handpiece cooling: why the result depends on itCooling sets both treatment comfort and the parameters you can work at. Types of cooling systems, the temperature sensor and what to ask the supplier.
- Emitter lifetime: what changes over three years and how to calculate itThe emitter wears down with each pulse, and this is the main hidden line of ownership. How to calculate your own usage and the lifetime of Innovatione handpieces.
- IPL, IPL hair removal and laser: what is the differenceIPL and IPL hair removal are the same thing. How broadband light differs from laser light, what research says about the results, and where IPLASER fits in.
- 755, 808 and 1064 nm: which wavelength for which skin typeHow wavelength relates to melanin absorption and penetration depth, and why 1064 nm is chosen for skin type VI and 755 nm for fine hair.
- Diode laser and ELOS: what the difference isELOS adds radiofrequency energy to light. We look at what this changes, where the advantage is real and why devices are compared incorrectly.
- Diode or alexandrite laser: what to choose for a salon755 nm versus 808 nm: where the difference is real and where it is marketing. A comparison by skin type, hair type, speed and cost of ownership.
- Alexandrite laser: strengths and weaknesses755 nm is often chosen for fine hair. We look at what alexandrite is valued for, where it is limited and what requires maintenance.
Choosing a device
- How to choose a hair removal device for a salonTwelve items to settle before payment: from the mix of the client flow to warranty, service and documents. With questions for the seller.
- Why devices in one catalogue are priced so differentlyDiode lasers in one catalogue on 14 October 2026 differ in price 4.2 times. Seven factors explain the gap, and three are where buyers save without noticing.
- Three-year cost of ownershipThe purchase price is only the first line. Six ownership lines determine the real cost, and the questions to put to the supplier in writing.
- Used diode laser: what to check before you payThe main risk of a used device is an emitter near the end of its life, invisible from outside. Nine checks and the questions a seller must answer in writing.
- Warranty on a hair removal device: term, handpiece lifetime and what to checkWhy the warranty on a hair removal device is limited by both term and handpiece lifetime, which runs out first, and what to check in the contract.
- How to check a hair removal device seller: 7 questionsSeven checks of a hair removal device seller from public records: registration, company, warranty, service, contract and training. Checked 14 October 2026.
- Documents to check when buying a hair removal deviceWhich documents a seller must hand over with a hair removal device, why a salon or clinic needs each one, and what to check before paying.
Training
- ‘Device with training’: what is included and what to askThe phrase ‘buy a device with training’ appears in every second listing. We look at what can lie behind it and which eight questions to ask before payment.
- Hair removal training certificate: how to tell a genuine oneA good-looking form proves nothing. Six signs show what stands behind a training document, and what to check about the organisation that issued it.
- Hair removal training price: what it is made ofThere is no single price for hair removal training. Six factors make up the cost, and how to count it together with the device.
