Diode laser vs IPL for hair removal: which machine should a clinic buy?
Both technologies remove hair with light, but they are built for different clinics. Here is how they differ and how to choose.
Published 10 November 2026 · Lazenix
The short answer
Choose a diode laser if hair removal is your main service and you want a dedicated machine for it. Choose IPL if you want one device that also covers skin treatments such as pigmentation, redness and rejuvenation. Many established clinics end up with both.
How each technology works
A diode laser produces light at a single wavelength. In the LaseTech Pro that wavelength is 808 nm, which is absorbed by the melanin in the hair follicle and converted to heat. All of the energy is delivered at the wavelength chosen for hair.
IPL (intense pulsed light) uses a flash lamp that produces a broad band of light, which is then filtered. The LasePro IPL works across 530–1200 nm. Because different parts of that band are absorbed by melanin and by haemoglobin, one device can be used on hair, pigment and visible vessels by changing the handpiece and programme.
Side by side
| Diode laser (LaseTech Pro) | IPL / DPL (LasePro IPL) | |
|---|---|---|
| Light | Single wavelength, 808 nm | Filtered broad spectrum, 530–1200 nm |
| Treatments | Hair removal | Hair removal, pigmentation, vascular, acne, rejuvenation |
| Handpieces | One, with sapphire contact tip | Two: HR for hair, SR for skin |
| Output | 5 × 120 W bars, 10–100 J/cm² | 1–50 J/cm², six preset programmes |
| Consumables | None. Distilled water and a filter | Flash lamp, about 500,000 shots |
| Hair removal course | A course of sessions, set per client | 6–8 sessions |
Skin types
Skin type decides the settings on either machine. On the LaseTech Pro the operator selects the Fitzpatrick type on screen and the system loads starting parameters. The LasePro IPL manual covers Fitzpatrick types I–VI, with reduced energy and extra caution for types V–VI, and requires a patch test 24–48 hours before the first treatment. Whichever device you buy, your practitioners need the training to assess skin correctly.
Running costs
A diode laser has no cartridges or lamps to replace as a routine consumable. It needs distilled water for the cooling circuit and a replaceable filter. An IPL system uses a flash lamp with a rated life, about 500,000 shots on the LasePro IPL, so the lamp is a cost to plan for. Ask any supplier for the price of the replacement part and divide it by the rated shots to get a cost per shot.
How to choose
- Hair removal is your core service: a diode laser gives you a dedicated machine with a 15 × 15 mm spot and a sliding mode for large areas.
- You want a wider menu from one device: IPL adds five skin programmes to hair removal.
- You are opening a new clinic: think about which treatments your first clients will book, then check the payback for each option.
See both devices with their full specifications in one table.
Compare diode and IPLThis article is general information for clinic owners and practitioners. It is not medical, legal or financial advice. Device figures are taken from the operator manuals and may vary with configuration.