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Comprehensive Guide to Laser Hair Removal: What You Need to Know

depilação a laser


Learn Everything You Need to Know About Laser Hair Removal

Laser Hair Removal Treatment is one of the procedures that is gaining popularity in clinics. This method can be used to remove hair from various parts of the body, resulting in much longer-lasting and more efficient results.

Furthermore, this procedure prevents ingrown hairs and the development of folliculitis (inflammation that affects the hair follicles).

So, if you’re looking for an effective way to remove unwanted hair from areas like the armpits, legs, beard, groin, and other parts, there’s no need to resort to painful and ineffective hair removal techniques. Keep reading this article to learn everything there is to know about this procedure.

Dr. Szerman discusses permanent laser hair removal in this audio (in Portuguese):

What Is Laser Hair Removal?

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Laser Hair Removal

Laser Hair Removal is a procedure that removes hair from the treated area gradually.

To accomplish this, the dermatologist uses a laser, which emits a specific wavelength of light, causing thermal damage to the hair structure. As a result, the laser’s effect delays or even prevents the growth of new hair.

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Why to Undergo Laser Hair Removal?

Many women and men prefer smooth, hairless skin and resort to procedures to achieve it.

But traditional methods do not produce the desired results, for example:

  • Hot Waxing
  • Shaving
  • Threading
  • Depilatory Creams

All these methods can cause damage to the skin, such as the formation of spots, scars, darkening, sagging, allergies, cuts, etc.

Another consideration is the short frequency of the depilation, which “cuts the hair” rather than pulling it out from the root; after about 3 days, the hair appears again. The laser is a modern method of hair removal that is highly recommended for those who are bothered by hair.

Among the most popular hair removal treatments, laser is the most effective. You’ll be hair-free and have more beautiful skin in just a few sessions.

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How Does Permanent Laser Hair Removal Work?

Laser Hair Removal works by cauterizing the skin. In other words, it cauterizes the hair root, causing the hair bulb to be damaged and the hair to stop growing.

In other words, the hair acts like the wick of a gunpowder. The light energy is absorbed by the pigment in the hair follicle and converted to heat, destroying the hair follicles.

What Areas Are Recommended to Treat With Laser Hair Removal, and Why?

Laser hair removal effectively removes unwanted hair from areas such as the upper lip, face, underarms, legs, thighs, chest, back, beard, and bikini area. This is considered a permanent hair removal.

However, people with fair skin and dark hair tend to have the most success with laser hair removal. That’s because hair removal with the laser requires a contrast between skin and hair. Laser hair removal in the groin area, for example, is a popular procedure with surprising results. The patient can choose to do only the sides or the entire groin area.

Do Men Also Get Laser Hair Removal?

Yes, men can absolutely get laser hair removal. Men have been seeking our services for quite some time now. In fact, they make up approximately 35% of our patient base. The most common areas they seek treatment include the beard, chest, back, abdomen and shoulders.

We understand that men may require more sessions than women due to hormonal factors.

Folliculitis is a common complaint in this group. It is worth noting, however, that the aesthetic factor, as well as the convenience that the treatment provides on a daily basis, are important factors for those who are bothered by excessive hair. Men who need to maintain a clean-shaven look every day are one example; this particular case is quite common.

Which Method of Laser Hair Removal Is the Best?

Laser hair removal devices are available in a variety of brands and types. However, the LightSheer Diode Laser is without a doubt the gold standard in laser hair removal treatment.

The LightSheer Diode Laser is ANVISA-approved and offers patients safe and effective hair removal. This equipment, in addition to having a very specific wavelength for the hair to absorb its energy more efficiently, has a chilled sapphire tip that makes the process even more comfortable for patients.

The majority of the devices available use pulsed light. We can compare the use of various lasers, including the Soprano and Alexandrite lasers. There are even portable at-home laser hair removal devices available, but at-home devices use lower energy levels than in-office treatments. So, it is crucial to investigate the differences in efficiency and safety between the LightSheer and other equipment.

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What Are the Benefits of LightSheer Laser Hair Removal Treatment?

The LightSheer Diode Laser has the following advantages:

Reduces hair significantly, effectively protecting skin integrity in laser hair removal.

The LightSheer emits a concentrated beam of light that is drawn to the hair’s melanin. In other words, it primarily targets the melanin in the hair follicle, heating it up and destroying the follicle without damaging surrounding skin. We employ a laser hair removal device with a chilled sapphire tip to help with hair removal. Unlike other types of hair removal treatments, this helps to prevent the formation of dark patches on your skin.

How long will the results of laser hair removal last?

The outcome of any laser treatment is determined by three major factors: the doctor, the equipment, and the patient’s characteristics. As previously stated, if the treatment is performed by a reputable and experienced doctor using cutting-edge technology, we can expect the elimination of a large portion of the hair, and patients remain hair free for months or even years, depending on the genetic and hormonal characteristics of each individual. The vast majority of people only require one type of treatment. It is likely that when some of the hair regrows, it will be less noticeable. A patient may require maintenance laser treatments to keep the area hair-free.

What length does hair have to be for laser hair removal?

The hair must be shaved or short for the session, to a size of up to 2mm. Each time the patient returns for a session, they must shave their hair to the appropriate size 24 hours in advance.

It is more comfortable when compared to other hair removal devices

Although everyone’s pain threshold is different, the LightSheer procedure is the most comfortable. This is primarily due to the chilled sapphire tip of the equipment immediately cooling the skin after the laser is fired. As a result, the discomfort is reduced.

Safer hair removal

The LightSheer Diode Laser is a highly effective and safe method for hair removal. Unlike other hair removal techniques, it does not cause any direct damage to the skin. This is because the laser targets only the hair follicle, leaving the surrounding skin untouched.

How Much Does a Permanent Laser Hair Removal Treatment Cost?

Many people wonder how much laser hair removal costs. When we consider the lifetime cost of razors, shaving cream, hot waxing, threading, and other types of hair removal methods, the treatment is very worthwhile.

There are other costs that must be considered, such as having the treatment performed by subpar professionals or using consumer laser devices. As the old adage goes, “cheap can become expensive.” Ultimately, cutting corners on cost can lead to more expenses in the long run.

However, the cost of laser hair removal varies depending on the area being treated. Generally, the cost of laser hair removal on the face is less than that of this procedure on the legs. This is because the face has a smaller surface area and fewer hairs to remove compared to the legs.

Because each case will require a unique number of sessions, the total cost of treatment will be determined by the average number of sessions. Additionally, some clinics may offer package deals for multiple sessions, which can help reduce costs in the long run.

This is why, first and foremost, it’s important to seek the advice of a specialist. They will recommend a treatment plan and the number of sessions needed to address your issue.

Remember to see a doctor to ensure that your treatment is safe and effective. Research about the equipment used as well.

Take our free online quiz right now to find out which treatment is best for you. You can also request a quote by clicking the banner below.

Check to see if the treatment works for you.

How Many Sessions Are Required for Laser Hair Removal?

Laser hair removal typically requires 6-10 sessions spaced 4-6 weeks apart. There are personal factors that influence the number of sessions. Male laser hair removal, for example, usually requires more sessions than female laser hair removal.

However, it is important to note that each case must be evaluated; after all, this is an aesthetic and dermatological treatment, and the doctor will assess the skin and hair characteristics, as well as the factors that influence the final result.

It is important to note that the number of sessions required for each patient can vary greatly. Regardless of the number of sessions needed, it is crucial that patients arrive to each appointment with their hair shaved as instructed. Additionally, patients should attend all scheduled appointments at the designated times.

It is vital to allow time between sessions to ensure that all follicles are discovered and effectively removed. In most cases, a one-month gap between sessions can help ensure successful and thorough hair removal.

Laser Hair Removal: Before and After

To see how effective our procedures are, look at the before and after photos of patients who had Laser Hair Removal treatment at the Clínica de Pele:

depilação a laser: antes e depois
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depilação a laser: foliculite
depilação a laser rosto


Here are some testimonials from patients who have had laser hair removal at our clinic:

“My treatment was laser hair removal. As I have black skin, I required a qualified and empathetic professional, like Dr Ronaldo. The results were noticeable right from the beginning of the treatment, thanks to the high-quality equipment used. I researched extensively until I found the right place.”

– T. M. –

“The laser hair removal was very successful. The procedure is carried out by a dermatologist with cutting edge equipment, and it is virtually painless. It also offers immediate post-procedure care.”

– G. H. –

“I am undergoing laser hair removal treatment at this clinic. I had tried it before at other places, but without any significant results. Yet, I found Dr. Szerman who, apart from being an excellent professional, also explained the entire procedure to me. I have had incredible results from the very first session.”

– R. B. –

“I’m nearing the end of my second laser hair removal treatment, and the results are fantastic! My skin has not reacted poorly, and the hair is nearly gone. When I finish this treatment, I will undoubtedly work on other areas. Thank you so much, Dr. Szerman and team!”

–M. V – 

Excellent service and facilities. I arrived with many questions about the treatment, but Dr. Szerman was incredibly patient and thorough in answering them all. I was extremely happy with the end result!”

– K. M. –

How Is the Post-Treatment?

It is not uncommon for the skin to experience temporary redness and sensitivity following laser hair removal. Although the irritation subsides quickly, some aftercare is recommended. The ideal situation is to avoid as much direct sun exposure as possible. Applying a gentle, soothing lotion can also help to relieve discomfort and promote healing. When exposed to sunlight, it is also critical to use a high-quality sunscreen with an SPF of at least 30 on treated areas.

Final Advice for Before, During, and After Laser Hair Removal

Before the procedure, we recommend that the patient avoid excessive sun exposure and keep their skin hydrated by drinking plenty of water and using moisturizing creams. Also, avoid using certain acids in the area targeted by the laser.

Many patients ask if laser hair removal is painful. During the laser hair removal process, patients may experience a slight discomfort or sensation of heat. However, this is generally well tolerated and most patients do not find it painful. For those who are more sensitive, a cream anesthetic can be applied one hour before the session to help reduce any discomfort.

During the treatment, you should avoid any procedures that could cause damage to the hair root, such as using wax or tweezers to pull out hair by the root. Instead, you can opt for other methods such as using a razor, depilatory cream, or bleaching cream.

To prevent any adverse effects, it is critical to avoid excessive sun exposure and to follow the doctor’s recommendations for sun protection and product use during treatment.


See the list below for answers to the most common questions about laser hair removal treatment.

Is Laser Hair Removal Permanent?

Laser hair removal is permanent when it targets the hair during its growth phase and causes thermal damage to the follicle. It is important to remember, however, that the body is very dynamic, and you may need regular sessions to keep hair from regrowing. There are individual factors that can interfere with the outcome or the production of new hair. The main goal is complete hair removal, and this is the preferred treatment for Folliculitis. With proper care and maintenance, you can enjoy smooth, hair-free skin for months or even years at a time.

Is Laser hair Removal Painful?

The procedure is typically well tolerated. The use of a cream anesthetic one hour before the session provides patients with adequate comfort. For those who are more sensitive, we apply an ice pack and/or a stronger cream anesthetic, which provides great comfort to patients.

Is Laser Hair Removal Suitable for People with Dark Skin??

Yes, laser hair removal is suitable for dark skin. However, it is important to choose the right type of laser for your skin tone. LightSheer has been approved by the FDA to treat all skin types, including tanned skin. Although we know that lighter skin produces the best results, it is important to note that people with darker skin are more likely to develop folliculitis, and thus can benefit greatly from this treatment. 

What Growth Phase of the Hair Is Ideal for Laser Hair Removal?

It is important to note that some hairs are missed by the equipment because they are in the process of growing. This means that while hair removal equipment can be effective, it is not always 100% accurate.
As a result, the patient will require multiple treatments until the doctor is able to shoot the laser during the Anagen phase, when the hair is fully attached to the root and the hair is actively growing. The laser permanently cauterizes the hair during the right phase.
However, it is worthwhile to consult with a specialist in this case so that they can advise you. The thinning of the hair occurs gradually. Each session resulted in an average hair reduction of 15% to 20%. 

Do You Need to Prepare Your Skin?

We also recommend using bleaching creams (usually hydroquinone-based) throughout the treatment (internationally recognized and important protocol for best results). Pregnant or nursing women should not use bleaching creams.
You should avoid prolonged sun exposure and avoid applying suntan lotion. During the treatment, avoid pulling out hair with tweezers or wax; instead, shave, cut, or use depilatory cream.

Why Should You Have the Treatment Done With Us?

With over 50 years of experience in advanced dermatology, our clinic is reconized for our expertise and exceptional patient care. Our website receives visitors from 91 countries, and we are proud to have more than 45,000 registered patients.

Our advanced treatments have been rigorously tested and approved by both ANVISA and the FDA. As leaders in the field of dermatology and aesthetic medicine, we offer courses and training to other professionals seeking to enhance their skills. We are honored to be a reference for Deka Italia, a company recognized globally for their expertise in laser technology, ensuring our patients receive the safest and most effective care.

We understand how unwanted hair can negatively impact our patients’ lives, which is why we take our responsibility seriously. Our commitment to using the latest technology and personalized approach ensures each patient receives optimal results.

Our greatest reward is seeing the happiness and improved quality of life of our patients. It justifies the years of dedication and studies we have invested in our practice. We are delighted to hear our patients say, “I am very happy with the results,” and to read testimonials of how we have positively impacted their lives. As experts in our field, we look forward to partnering with you on your journey to healthy, beautiful skin.

How Do I Choose a Laser Hair Removal Clinic?

A number of factors must be considered when selecting a clinic for Laser Hair Removal. Among the most important are:

  1. The practitioners’ experience in the field and the company’s reputation
  2. The equipment and methods used
  3. Referrals from friends and family who have already had the procedure and are happy with the results

The Clínica de Pele in Rio de Janeiro has been in operation since 1969, using only the most advanced equipment and professionals in the field. Do you want to learn more about our treatments? Then schedule your evaluation today.

Treatment Statistics

After the first session, people often report a noticeable reduction in hair growth of around 15-20%. This can typically be observed within 15-20 days of the initial treatment.

It is important to remember that a full Laser Hair Removal treatment typically takes 8 sessions for women and 10 sessions for men.

The U.S. Food and Drug Administration (FDA) approval of the Diode Laser LightSheer has made it possible to achieve up to 89% hair reduction, leading many to refer to the procedure as permanent hair removal. In fact, some patients have experienced reductions of over 90%.

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