How does laser hair removal work? We’ll tell you everything you need to know about this popular treatment, from how it works to what to expect during and after your treatment. Read more to learn all about laser hair removal.
What is laser hair removal?
Laser hair removal is a cosmetic procedure that uses a concentrated beam of light to remove unwanted hair. It is permanent hair reduction is one of the most popular cosmetic procedures in the world. Thanks to advanced light-based treatments, patients no longer have to deal with tedious and bothersome removal methods like shaving, waxing, and tweezing that require constant maintenance.
The light is absorbed by the pigment in the hair, and the heat from the light destroys the hair follicle, which prevents regrowth.
Laser hair removal can be used to remove unwanted hair from the upper lip, chin, eyebrows, ears, back, chest, armpits, and bikini area. It can also be used to remove hair from people who have medical conditions that cause excessive hair growth (such as polycystic ovary syndrome).
The procedure is typically done in a series of treatments spaced 4-6 weeks apart. Most people need 3-5 treatments for optimal results.
How does laser hair removal work?
Laser hair removal is a non-invasive way to remove unwanted hair from any area of the body. The laser light targets the hair follicles and destroys them without damaging the surrounding skin. This treatment can be used on any skin type and is effective for both men and women.
The science behind laser hair removal
Laser hair removal is a cosmetic procedure that uses a concentrated beam of light to remove unwanted hair. The light emitted by the laser is absorbed by the pigment (color) in the hair follicle. This absorption raises the temperature of the hair follicle, which damages the protein structure of the follicle and prevents future hair growth.
Laser hair removal can be used on any area of the body where unwanted hair growth occurs. It is most commonly used on areas like the face, bikini line, underarms, and legs.
The procedure is usually performed by a licensed esthetician, cosmetologist, or dermatologist. It typically takes multiple sessions to achieve desired results. Side effects may include temporary redness, swelling, and itching.
The different types of lasers used for hair removal
There are multiple types of lasers that can be used for hair removal, but not all of them are effective for all skin types. The most common type of laser used for hair removal is an intense pulsed light (IPL) laser. IPL lasers emit a broad spectrum of light that can be absorbed by both dark and light hair. However, IPL lasers are not as effective for very dark skin because the melanin in the skin can absorb too much of the laser light, making it less effective.
For very dark skin, a diode laser may be used instead. Diode lasers emit a single wavelength of light that is well-absorbed by melanin, making them more effective for dark skin. However, diode lasers are not as effective for lighter hair because they do not emit enough energy to destroy the hair follicle.
Both IPL and diode lasers work by heating up the hair follicle and damaging it so that it cannot produce new hair growth. The different types of lasers used for hair removal have different levels of effectiveness depending on the type of skin and hair being treated.
Is laser hair removal permanent?
Laser hair removal is a growing trend in the beauty industry. Though results can vary and it is not considered a permanent solution, many people turn to laser treatments to achieve long-lasting hair removal. So how does laser hair removal work?
Lasers target the pigment in your hair follicles and selectively damage them. This process stuns the follicle and delays or prevents future hair growth. It typically takes a series of treatments to achieve desired results.
Each treatment session damages more follicles, so results build over time. Most people will need 4-6 treatments, spaced 4-8 weeks apart, to see significant results.
How to prepare for laser hair removal
Laser hair removal is most effective on hair that is in the anagen, or active growth phase. Since hair growth cycles vary from person to person, it’s best to consult with a dermatologist or licensed esthetician beforehand to get an accurate estimate of how many treatments you will need to see results.
Most experts recommend avoiding sun exposure for four to six weeks before treatment. This is because tanned skin can absorb more laser energy, which can increase the risk for side effects such as burns or blistering.
If you do have a tan, you may be asked to wait until it fades before undergoing treatment. In the meantime, you can use a self-tanner to even out your skin tone.
You should also avoid waxing, plucking, and electrolysis for six weeks before treatment. This is because those methods remove hair from the root, which can interfere with laser hair removal.
Aftercare for laser hair removal
To ensure the best possible results and minimize the risk of side effects, it is important to follow the aftercare instructions provided by your laser hair removal specialist.
Immediately following the treatment, the area will be red and swollen. This is normal and usually subsides within a few hours. You may also experience some bruising, which will resolve on its own within a week or so.
It is important to avoid sun exposure for at least a week following treatment. If you must go outside, be sure to wear sunscreen with an SPF of 30 or higher.
You should also avoid hot tubs, saunas, and other activities that could cause sweating for at least 24 hours after treatment. sweat can irritate the skin and make any redness or swelling worse.
In general, it is best to take it easy for a day or two after treatment. Get plenty of rest and avoid strenuous activity. Taking an over-the-counter pain reliever such as ibuprofen can help reduce any discomfort you may experience.
Most side effects from laser hair removal are mild and temporary. However, if you experience any severe side effects, such as severe pain, blistering, or prolonged swelling, be sure to contact your doctor or laser hair removal specialist right away.
