Everything You Need to Know About Laser Hair Removal (2024)

Never shaving again seems like an impossible dream, doesn't it? Who wouldn't want to retire the razor for good and still have silky soft legs, a hair-free underarm with no work, or a bare bikini line with zero maintenence?

Open up discount apps and sites like Groupon and you'll find hundreds of laser hair removal centers that promise to make that dream come true-all for the low price of $40 to $100! But is laser hair removal something you should really be buying on a group discount site? After all, it's technically a medical procedure, even if it's not as major as open heart surgery.

"Groupons are okay for laser hair removal, so long as you follow a few basic rules," says Jennifer Lee, M.D., a Tennessee-based dermatologist and clinical assistant professor at Vanderbilt University Medical Center. Always research the center you're purchasing from (check their website and Yelp to find out if they're doctor-run and if other people have had good experiences); be wary of generic chains: "If something does happen, how will you be able to contact the doctor or the person who performed your procedure?"; and if it seems too good to be true, it probably is. If most options are priced at $100, and one is just $40, that's probably not a good sign.

But what else should you know before saying buh-bye to shaving for good? Lee gave us the lowdown on what you need to know before laser hair removal.

Is It Permanent?

Laser hair removal is permanent hair reduction, not permanent hair removal. According to Lee, it's not uncommon for patients to require maintenance treatments once a year, even after the area has been fully treated. The reason: The laser targets and destroys your current hair follicles, but new follicles can develop thanks to hormonal changes or shifts in weight.

What Are the Risks?

"The biggest risk with lasers is eye damage," Lee explains. "Both you and the person operating the laser should be wearing goggles specific to the type of laser that's being used." Other risks include blistering, scarring, and burns that can discolor your skin. "It's normal for there to be some redness and swelling, but if you're getting burned or blistered, then the technician is using the wrong type of laser for your skin type," Lee says.

Does It Hurt?

The procedure hurts-but not a lot. "It stings," Lee says. "It's universally described as a rubber band snapping against your skin." But it only stings for a millisecond-the time it takes for the laser to target your hair follicle and zap it away (of course, this means that it will sting for each hair follicle zapped). While your skin may be a little red and puffy after the procedure, you shouldn't feel any pain in the area by the time you leave the office, Lee says.

Do I Need to Go to a Doctor Or Is It OK to Hit Up a Spa?

While you don't necessarily need to go to a doctor's office for this procedure, you do need a doctor present. Lee suggests looking for a med-spa or a laser hair removal center that's run by a doctor in one of the four core aesthetic specialties: dermatology, plastic surgery, ENT (or otolaryngology), or ophthalmology. "Doctors from these core specialties are required to understand the different lasers in residency and on their board exams, while non-core doctors are not," Lee says.

Because laser hair removal is all about choosing the right laser for your skin type, the doctor should also be the one to examine you and determine which laser is best. I went to a doctor-run facility for a consultation, and the technician wanted me to consult a nurse practitioner over Skype-Lee says this is a big no-no. "Some medications, such as antibiotics, can make your skin sensitive to the laser," Lee says. "A doctor will know what drugs you can't take while getting laser hair removal done, and they need to talk to you and examine you in person."

Will It Work on My Skin Type and Hair Color?

Laser hair removal works on almost every skin type-from very light-skinned people (or what's known as Type I on the Fitzpatrick scale, a skin-typing test) all the way up to Type V or even VI (which is dark skin), Lee says. Some terminology to know: Light-skinned people will usually receive treatment from an Alexandrite or Diode laser, while darker-skinned people will receive treatment from an Nd:YAG laser.

Blonde, gray, or light red hair is difficult to treat, Lee says. If the facility you're looking into advertises lasers that work on every hair color, they're probably using Intense Pulsed Light (IPL) to remove lighter hair. "IPL emits a broad spectrum of light, which means it's not as 'smart' as a laser," Lee says. "It's more difficult to target the hairs with a broad spectrum, so IPL has a higher risk of causing burns." Blondes and redheads need to do extra research to ensure that the facility they choose is experienced with IPL.

How Long Does It Take?

The actual procedure time depends on the area being treated. Each hair follicle is zapped in a millisecond, so a small area (such as the armpits) will take less than five minutes to complete, while a larger area (such as the legs) might take a half hour.

As for the amount of time you'll need before you're completely hair-free, Lee suggests five to six treatments. "Be wary of a Groupon that tries to sell you a huge bulk package of laser treatments," she says. "Most people see drastic reduction after three or four treatments, and six is probably the maximum number of treatments you need on any one area. Any Groupon for, say, 10 treatments is either ripping you off or providing sub-par care to drag your treatments out."

Where Should I Remove Hair?

The only place you must avoid is around the eyes-eyebrows (including a unibrow), upper cheeks, and temples will need to be tweezed or waxed for the rest of your life-because of the risk of eye damage from the laser. But everywhere else gets the green light, Lee says.

"Definitely get your armpits done, and your bikini line if you want it," she says. "I know a lot of women are going full Brazilian these days, but I've heard from several older patients that there might be a time when you're older, and after you've had kids, that you'll want a little hair coverage down there...because everything will be sagging."

Everything You Need to Know About Laser Hair Removal (2024)

FAQs

Everything You Need to Know About Laser Hair Removal? ›

You can expect a 10% to 25% reduction in hair after the first treatment. To remove the hair, most patients need 2 to 6 laser treatments. After finishing the treatments, most patients do not see any hair on the treated skin for several months or even years. When the hair regrows, there tends to be less of it.

What I wish I knew before laser hair removal? ›

5 Things You Need To Know Before Getting Laser Hair Removal
  • Patience Is Key. It will take two or three weeks to see results from your first treatment, and 8-12 weeks to get the full results. ...
  • Shave But Do Not Wax Before your Appointment. ...
  • Treatments Are Quick. ...
  • Avoid The Sun. ...
  • You Might Need Touch-Up Treatments In The Future.
Jul 8, 2021

What are the basics of laser hair removal? ›

The basic principle is that the pigment of the hair, but not the pigment of the skin, should absorb the light. The laser should damage only the hair follicle while avoiding damage to the skin. Therefore, a contrast between hair and skin color — dark hair and light skin — results in the best outcomes.

What are the don'ts of laser hair removal? ›

Here's what to avoid:
  • Avoid exposing skin to UV light (sunlight or sunbeds) or self-tan for at least 2 weeks after treatment. ...
  • Avoid heat treatments such as spas, steam rooms and saunas for 7 days.
  • Avoid excessive scrubbing or applying pressure to the skin for 4-5 days.

What makes you a bad candidate for laser hair removal? ›

People who are taking certain medications, such as acne treatments, should avoid laser hair removal. It can also be a bad fit for people with certain skin conditions, like a history of skin cancer or keloid scars. Women who are pregnant or nursing should also put off hair removal.

What happens if I stop laser hair removal after 4 sessions? ›

If treatment is stopped before all of the hair follicles have been destroyed, some may continue to grow. It is important to complete the recommended treatment plan to achieve the best results. Sometimes, the patient sees hairs are thicker and darker after the treatment when they have original light and fair hair.

Should I laser my pubic hair? ›

' Yes, it is safe to laser the pubic area for most patients. It should be noted that this is one of the more sensitive areas when it comes to laser hair removal, but it is quick and effective. Many patients also believe it is overall less painful than waxing.

What are the 3 types of lasers for hair removal? ›

There are various kinds, including diode, alexandrite, and Nd:YAG. “The diode laser is the Mercedes-Benz of all lasers,” says Fusco.

Is stubble OK for laser hair removal? ›

Shave Before Treatment

You should shave within 24 hours of your scheduled laser appointment. Your laser technician cannot treat areas that have hair above the skin. You cannot even receive treatment if there is rough stubble because this may create too much heat for the pigment of your skin.

Which is the most effective laser hair removal? ›

What Are the Best Lasers for Hair Removal Treatments That Work?
  • IPL (Intense Pulsed Light) IPL is often classified as a laser hair removal treatment, but it is not actually a laser. ...
  • Diode Laser Hair Removal. ...
  • Alexandrite Laser Hair Removal. ...
  • Nd and LP Nd: YAG. ...
  • Ruby Laser Hair Removal.
May 1, 2022

What happens if you don't shave for laser? ›

Quite simply the hair will absorb the energy that was meant to penetrate under the skin in the first place. The energy would burn the hair, leaving the skin with marks and scarring. While wasting away on the surface level of the skin.

Why can't you pluck hair after laser? ›

The goal of laser hair removal is to damage the structures that produce hair to the extent that hair stops growing. Hair removal methods such as plucking and waxing, as well as making the treatment ineffective may also result in the hair growing back more strongly.

Why can't you pluck during laser hair removal? ›

Laser hair removal targets the hair follicle to permanently remove hair from the body. For successful results the follicle has to be present so the laser can target it. Waxing, plucking or threading removes the root of the hair follicle. Without hair to target, the laser removal process won't work.

Why am I more hairy after laser? ›

No one actually knows why this happens with laser patients, but after treatment, the laser can do the opposite of what you're expecting and actually stimulate hair growth. And, if that wasn't enough, the hair can actually come back thicker and darker!

What happens if you get hard during laser hair removal? ›

There is a possibility that men will have an erection during waxing or Laser Hair Removal. Why does this happen? It is not really the sexual turn-on but is more of a physical reaction that sometimes can't be avoided. Relax and don't worry.

Who is not suitable for laser? ›

Certain conditions, such as autoimmune diseases (e.g., lupus, rheumatoid arthritis), immunodeficiency states (e.g., HIV) and diabetes, and some medications (e.g., retinoic acid and steroids) may prevent proper healing after a refractive procedure. You actively participate in contact sports.

Do you have to grow out hair before laser hair removal? ›

Shave the Area

As previously mentioned, shaving the area is encouraged as long as no plucking or waxing is going on. A shave 24 to 48 hours before the appointed date is important. While the hair root is invisible, the laser can seek it out within the pigment.

Can laser remove chin hair? ›

Laser hair removal on the face is a noninvasive medical procedure that uses a beam of light (a laser) to remove hair from the face. It can be done on other parts of the body too, like the armpits, legs, or bikini area, but on the face it's used primarily around the mouth, chin, or cheeks.

Can I shave between laser sessions? ›

Yes, you can shave in between each laser hair removal treatment. During your course of treatment, you can shave any unwanted hair that may regrow. After your first laser hair removal session you will notice that you won't need to shave as much as before.

What happens if you don't shave before laser hair removal? ›

Potential Risks of Skipping the Shave

Reduce efficacy: Hair above the skin absorbs laser energy, diverting it from the follicles, leading to diminished results. Cause skin irritation: Unshaved hair can lead to post-laser redness, inflammation, and swelling.

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