Difference Between Diode Laser and IPL Machine

Summer is coming, so hair removal treatment now is very popular. Many salons hope to buy a professional machine for hair removal to enlarge their business, but they may wonder, which shall I choose, diode laser or IPL? and what is the difference between Diode Laser and IPL?

Today we’re gonna to explain these questions and hope can be helpful for our clients to choose the most proper machine.

When talking about hair removal, the basic working theory of diode laser and IPL are similar – their energy been absord by the hair follicle melanin and therefore breakdown the melanin and achieve the hair removal effect. But what’s difference? They difference mainly are listed below:

diode laser stack IPL xenon lamp

Diode Laser and IPL using different emitter: Diode laser using laser stack as emitter, while IPL using xenon lamp as emitter.

Diode Laser and IPL have different technology: Diode laser using LASER technology, while IPL using Intense Pulse Light technology

diode laser dh vs ipl SHR OPT

The biggest difference of Diode Laser and IPL technology is the wavelength:

Diode laser is using the fixed wavelength (808nm, or the triple wave of 755nm 808nm 1064nm mixed together).

While IPL is using a broad spectrum, for example, 640nm usually stands for 640nm – 1200nm, and 530nm stands for 530nm -1200nm.

IPL machine wavelength spectrumwavelength spectrum

The different wavelength decides that during the treatment IPL will be quite dazzling while the light of diode laser will not dazzling at all. (Because IPL contains a many visible lights, and diode laser using 808nm wavelength, is near infre-red light, we can still see it, but far not as visible light dazzling)

Diode laser using fixed wavelength 808nm, which is only targeted 3-5mm under the skin and mostly melanin in hair follicles.

While IPL using section wavelength which containing so many wavelengths and different wavelength can be absorb by different tissues, so IPL has more functions than diode laser. For example, 480nm wavelength has effect of sterilization, so it is used for acne treatment; 530nm wavelength can be absorbed by the thread veins so it has good effect in facial vein removal etc..

Due to the different emitter, so the spot size of 2 machines will also be different: Generally speaking, diode laser’s spot size will be smaller than IPLs.

typical diode laser handle IPL SHR OPT handle

For example, the typical spot size of diode laser is 15*15mm, and the typical spot size of IPL is 15*50mm.

Our third generation diode laser already has a very large spot size of 15*30mm, but it is still smaller than IPL 15*50mm.

But this is only “ generally speaking”. We can not judge this machine is diode laser or IPL by its spot size , because sometimes diode laser spot size indeed may be bigger than IPL. For example, there is also IPL with 12*30mm spot size, which is smaller than our diode laser 15*30mm size.

Diode Laser and IPL lifespan is very different.

Diode laser using US Coherent / German Dilas laser bars the pure AuSn laser bar, we ensure 20 million shots lifespan, which can be used at least 3-5 years.

Thanks for our special design of the IPL machine, our IPL has super long 1 million shots (other companies’ IPL only 100,000- 300,000 shots), but still 20 times shorter than diode laser lifespan. (See here for our IPL 1 million shots lifespan test)

Due to the fixed wavelength, so almost all energy of diode can be delivered to follicle.

While for IPL machine, because it using broad spectrum, so not all energy can be delivered to follicle. There are also many energy absorbed by surrounding tissues. So generally speaking, it only takes 3-6 sessions for diode laser to get the permanent hair removal effect and it takes 6-10 sessions for IPL to get this effect.

Due to all above difference, diode laser and IPL machine cost is also very different: Generally speaking, diode laser price is 2-4 times higher than IPL machines.

To Sum Up, See Below Chart:

Diode & IPL difference

/Diode LaserIPL
TechnologyLASER technologyIntense Pulse Light technology
EmitterLaser stackUK xenon lamp
Spot SizeUsually smaller than IPLUsually larger than diode laser
FunctionLaser hair removalMultifunctional including: Acne treatment Facial thread vein treatment Pigmentation treatment Skin rejuvenation treatment Hair removal treatment
Lifespan20 million shots1 million shots
Session3-6 sessions get permanent hair removal effect6-10 sessions get permanent hair removal effect
Price2-4 times higher than IPL machineCheaper

Which Shall I Choose? Buy Diode Laser Or Buy IPL?

Here is my suggestion:

– If you only looking for a professional hair removal device, then please do not hesitate and directly choose our diode laser, especially the third generation intelligent diode laser shown in the video, which is our most advanced diode laser with 3 replaceable treatment tip (15*30mm, 15*15mm, and phi 8mm) for all areas treatment, and with intelligent linkage and smart pre-set parameters.

– If hair removal is only one of the small business in your whole treatment range of your salon, or photo rejuvenation / facial broken capillaries / pigmentation treatment / hair removal treatment are similar important for you. Then please choose IPL.


– If you want diode laser for hair removal and meanwhile also want photo facial of IPL, then our multifunctional machine with both diode laser system and IPL system is more suitable for you


No matter which machine you prefer, we hope you can choose the one you like most. If need any further help, please don’t hesitate to contact us to get the best price!

Stelle Laser is professional beauty machine manufacturer in China. We produce and sell Diode laser hair removal machineElos SHR OPT IPL photorejuvenation machine, ND Yag Laser tattoo removal and pigment treatment machine, Carbon Peel machine, CO2 Fractional Laser and Multifunctional beauty machines combining above handles. Looking for cooperatation with more global agents. If you interested in getting more information, please feel to drop us an inquriy!

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Stelle Laser is an innovate aesthetic & beauty machine manufacturer in China. We produce and sell Diode laser hair removal machine, IPL photorejuvenation machine, ND Yag Laser tattoo removal and pigment treatment machine, Carbon Peel machine, CO2 Fractional Laser and Multifunctional beauty machines combining above handles.

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