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When is hair removal with a diode laser recomendable?


The use of diode laser for hair removal is recomended when the hair is thick and dark and the skin phototype is high (from IV onwards). This does not mean that it can’t be used on lower phototypes… it can be used and the results will be excelent but it’s safer for darker skins.

Diode lasers have more penetration than alexandrite lasers because of it’s longer wavelength which makes it better to use when the hair is deep. Also, because of the handpiece structure, pressure is applied while treating with it and this reduces the dermis thickness and lets the laser be applied closer still to the target which optimizes it’s effectiveness.

Aside from the fact that it’s the safest option, you should factor in the fact that the treatment itself is fast and can be used on small areas at a time allowing you to squeeze in your busy day at least a quick session.

So, you diode lasers are a great and safe option to use on any skin type as long as the hair to be removed is dark and thick and even better if you’re on a tight schedule since you’ll be able to not fall behind on your treatments as long as you can gather a couple of minutes a day for it’s application.

Laser wavelengths, a brief but useful article.


Dear reader, if you’re of those who is looking to start up a business in the laser based medical aesthetics area, or maybe you’ve been working with this technology and heard about wavelengths but are not sure what they mean and how they work, if any of those are your case, then this piece of literature is for you.

Let’s start saying that the wavelengths define certain therapeutics effects in the light based technologies, when i say this i’m including any skin laser technology and IPL’s. To better understand this, you must know that the excited light that is used in a laser has a behavior depending on the wavelength they have and also a particular color, this color will be visible to the human eye from near the 400nm (violet) to the 700’s nm (red), out of that spectrum it won’t be visible. Now, in light based technologies, you have different ways to excite the light,  could be artificially with electronic parts (diodes) or naturally with some minerals or gases, for example a KTP laser is a laser exited by a potassium titanyl phosphate crystal,  and it will be seen as color green when around the 400nm of  wavelength or the Co2 laser will be excited by Co2 Gas, and its invisible to the eye (usually 1060nm), and IPL is basically composed by a lamp filled with Xenon Gas  that emits flashes of exited light by electrical impulses within the 200nm to 1200nm of wavelength.

Now, before going any further,  we’ve got some things to review, now we know where the names of the lasers come from ( Co2, Diode, KTP, Alexandrite, IPL)  now lets see their therapeutic features generated by something called “Chromophores absorption” a property in all the lasers or IPL’s. When the light is set at a certain wavelength, it has the ability to absorb certain elements as for example water, pigments as melanin and blood (oxihemoglobin) an this is the feature from which we take advantage on the therapeutic side of the technology.  If you see a chromophore absorption table, you would recognize the best wavelengths to absorb each one of these elements, for example the best absorption of oxihemoglobin happens between the 400-550 nm  that’s why a laser set at this wavelength will be perfect for vascular conditions such as small veins, rosacea, etc.,  if you now step from 550’s to the 850nm you will get and increased absorption of melanin, excellent for hyper pigmentation, hair removal and other melanin based treatments and then we have water in the 1000 nm’s what would be great for collagen stimulation and rejuvenation based on the controlled evaporation of water in the skin.   Now, maybe you remember to have heard “DIODE LASER 810nm”,  this example means that this laser is excited by an electronic diode at a wavelength of 810nm which is very good for hair removal because of the explained above, we can also mention an Nd Yag 532nm in which the exciting media will be Neodimio Yag and its wavelength is perfect for blood, so this machine will work very good vascular conditions.

Last but not least,  and also very important, we’ve got the IPL technology, in this case the wavelength is not specific, it’s a range that goes from 200-1200nm, so it can be used for multiple treatments as vascular conditions, pigmentation, hair removal and rejuvenation. How can a single machine handle so many different options effectively? The answer is : FILTERS. You use filters that usually come with the machine to narrow the spectrum closer to the desired wavelength, for example, 430nm filter for vascular, 520nm or 590nm for pigmentation, 640nm or higher for hair removal.  Remember when you use a filter on an IPL you don’t get the exact wavelength as in a laser, you just filter out the wavelengths from the filter factor and up, for example a 430nm filter will filter from 430nm to 1200nm and a 530nm filter  will filter from 530nm to 1200nm, and so on, giving you a more synergic result; this is the reason why the IPL takes a couple more treatment applications to achieve same results as a laser, but in the other hand allows you treat several conditions with only one machine  with very good results, safely and more affordable.

What type of machine you really need, what effect you pursue and what budget you have planned for that. It will make your life a lot easier on these decisions.

Why use IPL for hair removal instead of standard options


1 Fast Treatment

Depending on the scope of the treatment area, a session could takeas little as 5 minutes. Taking into consideration new technologies as for example. SHR , aslo called FDP – which goes for Super hair Removal or Fast Delivery Pulse- this technologies also make the treatment painless and comfortable.

2 Painless

Nowadays, IPL is not painful, of course you should always be aware of the technology, specially this FDP or SHR’s that are the painless functions withing the IPL technologies.

3 Moneysaving

In the end, you will save a lot of money with IPL vs. DIY solutions, like plucking, shaving, waxing and using depilatory creams. As compared to shaving which requires maintenance every two days or so and to waxing where you need monthly appointments, IPL gives you plenty of savings because treatments are spaced at a longer interval and about 20% of hair follicles is treated every session.

4 No Ingrown Hairs

Okay, here’s the thing about DIY hair removals. Shaving, for example, causes the persistent and never-going-away ingrown hairs. They just show up and have no plans of leaving you alone. With IPL, you don’t need to deal with these annoying additional hairs in your body. This innovative treatment won’t ever cause ingrown hairs. So if you don’t have to suffer from an even bigger excessive hair problem, let go of those conventional hair removals, but go for intense pulsed light. By far, it is the most effective and safest way to get rid of unwanted body hair permanently.

5 No Irritation

How many times have you suffered and dealt with skin irritation, rashes or infection after shaving with razors? This may not be the first time you’ve heard of this but dirty razors caused these problems, ipl will cause some redness and even small eritema on the skin right after the treatment, but after a couple hours you wont suffer from irritation again on the treated area.

6 Less frequent , then definitive.

Say goodbye to traditional hair removals that just waste your time with the repetitive process that you have to do every day to get rid of annoying excessive hair on your face, underarms or chest. Do your 5-7 treatments on IPL (one per month) and keep going after that a couple times a year for a flawless, smooth , hairless skin for ever.

The benefits of Fiber Coupled Diode Laser



As of today, the diode laser for hair removal has been a standard technology, very effective with visible results in just a few treatments, but did you know that the diode laser technology that you actually know its now old?.   The standard Diode lasers use what is called “Stacked diode lamps”, this means that the plates that power the laser (lamp) are precisely “stacked” this technology is been used for years and is pretty effective, lifespan on the good lamps could be 10 Million pulses,  but this lamps overheat very easily and usually are heavy to the arm of the operator since they are installed inside the hand piece of the machine, making them heavy, hot, and prone to damage by accidental falls -have you’ve heard of someone that dropped a diode laser hand piece had to pay no less than seven to fifteen thousand dollars for the replacement?.- . but all these issues are not an issue anymore, there is a newer technology for diode laser based on fiber optics, instead of old stacked diodes now the diode laser generators are in a different sealed box that transmits the light through fibers optics to the skin, some of the BIG benefits you will find with this technology are the laser lamps location: on this new machines the laser lamps are not located inside the hand piece but in the main body of the machine, so the heat is concentrated inside the core and not in the hand, cooling systems work less to disperse that heat so the lasers are more durable (50 Million Pulses, actually 5 times more than the best standard diodes).


Lighter hand piece: since the lamps are not inside this part anymore, the operator gets to manage a light, low temperature piece which contact cooling tip that rarely heats up, giving the user hours and hours of comfortable treatments and to the patients awesomely painless and comfy sessions. On top of that this technology make the beam of light more focused (colimated light) what assures the most effective treatment in the shorter time possible by eliminating the waste of energy on areas that are not in need of treatment.


Besides these factors, there are other advantages to the use of fiber coupled diode lasers (also known as fiber-integrated diode laser):


– The energy emission from the laser has a circular, well defined area with evenly distributed intensity ensuring that there are no areas less treated than others and making the machine as efficient as the handler is with the treatment application, leaving chance out of the equation by removing the potential randomness of the machine’s performance with the pulse delivery.- By using a separate component for the laser’s diode pulse focusing, maintanance becomes easier, quicker and cheaper since faulty or worn out components can be removed and changes without the need to take out an integrated component that’s in working state.
– Since the focus point resides in a separate component the diode can be replaced without changing the pulse alignment.
– It allows smaller and more compact machine designs or leaves more room for more complex cooling systems since it requires less space.
– Fiber-coupled devices can be easily combined with other fiber-optic components.
For all of the above we may say that fiber coupled diode lasers are extremely convenient, more efficient and give better results than their regular counterparts and should be on your list when shopping for a new hair removal machine.

SHR (super hair removal) technology

SHR treatment in progress

What is SHR?

SHR (or Super Hair Removal) is a technology designed for, you guessed it, complete hair removal, which is being wildly successful.

The system combines the laser technology and the benefits of pulsating light to get painless results.

The SHR system represents a huge step forward for the hair removal procedures through Phototherapy (light technology). The treatments with SHR tend to be more enjoyable than those with conventional methods and the treated skin is better protected.


How does SHR work?

The SHR system is a revolutionary focus that consists on the bombardment of the skin with huge amounts of energy (joules). The system shoots multiple light pulses at low levels, in doing so, the hair follicle heats up gently allowing enough heat to be applied. The patients will only feel a warm feeling and a slight tingle with most of them describing it as a warm massage. While using a SHR system, the handpiece must always be moving and never focused on a single spot.


Is the SHR recommended for all skin types?

The SHR system can be safely used on all skin types, even dark ones. This is so because the technology and techniques employed. Unlike the traditional laser and IPLs, SHR can be used all year around without need of having to hide from sunlight.


Does SHR work with blond or red hair?

As with all light based depilation systems, the darker hairs with most melanin, are those which better absorb light, however, with SHR there can be as much as a 50% reduction in red and blond hair which some lasers and IPL can’t reach. As with all systems, results may vary from one patient to another.


How many treatments are needed with SHR systems?

Usually, from 6 to 10 treatments are needed in 4 week intervals. A 4 week regime is important as the SHR treatment will catch the hair on its fourth week of re-growth. Near the end of the treatments, 6 to 8 week intervals will be needed to finish the treatment.

The treatments with SHR technology are completely pain free, even in the most sensitive areas.


Is SHR permanent?

There is no such thing as definitive hair removal; the body’s hormones are always producing hair. What can be achieved with the treatment is a hair reduction of 80 to 90% and with just repeating the treatment once or twice a year; the initial results can be sustained.

The 5 things you must check out before purchasing an IPL machine


IPL is a key technology at the moment in the esthetical treatment industry for its low cost, cheap and easy maintenance , great treatment results, safe and painless treatments and quick investment returns which help generate a steady flow of satisfied customers with a very small starting capital… but do you know what to look for when choosing the machine that will make your business thrive?

Just as an F1 pilot depends on a good car to win a race, an esthetical business depends on good tools and machines to make a profit and keep customers happy through good prices, fast results and painless procedures and here we’re going to give you the 5 pivotal tech specs you must be on the lookout when selecting on which machine to invest:


The energy level (measured in Jules by square centimeters or J/ cm2) it’s what is known as “fluency”, the “juice” your machine can deliver on the treated area… if you don’t have enough fluency, you will not cause any effects, the best top fluency to look on a machine is 60J this will give you enough power to treat effectively any condition within the IPL’s applications. It might seem as a risk to mix high energy output levels and medical treatments but using the right parameters an IPL would make this a very safe procedure and with great outcomes.

Pulse length

It’s the duration of the energy delivered to the treated area. Short pulses are better used in some skin types and long pulses in others, always look for a machine that allows you to set this parameter for precise and more effective treatments, or machines which settings are automatic but allow you to see the differences in the pulse length and width as you change patients features.


The space between each pulse wave is measured in nanometers (nm) and it’s what the wavelength is all about. The higher the frequency, the shorter the wavelength.

IPL devices emit a broad spectrum of light, usually between 200nm and 1200nm filtering out those wavelengths that aren’t needed or could be harmful like the ultraviolet rays. But you can also filter more precisely to achieve best result in specific treatments, for example, if you do hair removal use a filter between 640nm and 690nm, there you will get the best of the melanin absorption and for that, best and faster results.  Always look for machines that allow you to filter in different wavelengths, usually they will come with extra filters to do so, or extra handles to do so, of course the extra handles are always more expensive.  We don’t recommend settling on Broad spectrum IPL machines with no filters.

Flash Rate

The time between flashes or “flash rate” is what makes the treatment take a longer or shorter. A higher flash rate means more pulses per second and therefore quicker coverage of large areas, this technology is so called SHR (Super hair removal), FDP (Fast Delivery pulse), or simply fast hair removal, not all of the machines come with this feature and its very important to have it because not only gives you faster treatments and more time to perform more sessions, but also treatments on this option are painless.

Light Output Uniformity

If the treatment is delivered unevenly, the results might not sit well with your patient, after all, the idea is that the treated area looks natural, so you want to be on the lookout for equipment’s with good output uniformity. This is mainly affected by the capacitors and filters materials, so make sure to get good quality parts.

So there you have it, with this short guide, you now know what to be on the lookout when researching your next purchase!

If you need a more in-depth explanation of this 5 main factors, just email or call us and you’ll be well taken care by our customer support department at Supramedical.

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