Hair Removal

Does laser hair removal last forever? best hair removal?

Does laser hair removal last forever? best hair removal?

  • Tuesday, 20 April 2021
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Laser hair removal is a permanent method of hair removal that can damage or destroy hair follicles. If the hair follicles are damaged but not completely destroyed during the laser hair removal process, there is a high chance of hair re-growth. Therefore, many doctors now regard laser hair removal as permanent hair removal rater than permanent hair removal. Want to know the principle and durability of laser hair removal?


Does laser hair removal last forever? best hair removal?

Laser hair removal is a permanent method of hair removal that can damage or destroy hair follicles.

However, the hair is likely to grow again. If the hair follicles are damaged but not completely destroyed during the laser hair removal process, there is a high chance of hair re-growth.

Therefore, many doctors now regard laser hair removal as permanent hair removal rather than permanent hair removal.

Want to know the principle and durability of laser hair removal? Keep looking down!

What is the principle of laser hair removal?

Laser hair removal is the use of lasers to align the pigments of each hair. The laser goes down the hair, reaches the root and enters the hair follicle.

The heat generated by the laser will destroy the hair follicles, and the hair will not grow again.

Hair follows a unique growth cycle, including dormancy, shedding, and growth periods. Shortly after the hair removal, the hair is in the dormant stage, and the technician or laser cannot recognize it at this time. Therefore, if you want to continue hair removal, you have to wait for the hair to grow back.

For most people, laser hair removal requires multiple treatments within 2 to 3 months.

Does laser hair removal last forever? 

If the hair follicles have been necrotic, hair removal is permanent hair removal. However, it is expected that hair will grow again on the depilated area.

Over time, people can treat the same depilated area again, thereby reducing the number of hairs that grow again. In some cases, it is possible to completely remove all hair.

Whether the hair will grow again depends on many factors, including the type of hair that will grow again and the technique of the hair removal technician.

Most people find that the hair that grows out again is lighter and thinner, which is less obvious than before. This is because the laser has damaged the hair follicles, even if there is no necrosis, the hair follicles are already damaged.

If the hair follicle is damaged but not necrotic, the hair will eventually grow back. It is not easy to destroy all hair follicles one by one, so most people will continue to grow their hair even after laser hair removal.

In some cases, the hair may be too light in color, too short in length, and too strong to handle. At this time, people can choose to use other hair removal methods, such as pulling it out.

How long can laser hair removal last?

As mentioned above, when the hair follicle is necrotic, laser hair removal is permanent hair removal. If the hair follicle is only damaged, the hair will grow again. The length of time for hair to grow again depends on each individual's unique hair growth cycle. Some people’s hair grows faster than others. Hair in the dormant phase grows slower than hair in other phases.

Does skin tone and hair color affect the effect of best hair removal?

People with light skin tone and dark hair have the best hair removal results. Because the pigment contrast between skin and hair is large, the laser can easily locate the hair, enter the hair follicle, and then break it.

People with darker skin tones and lighter hair may need more hair removal treatments, and they will grow more hair again.

In order to remove the hair permanently, the technician must know how to align the hair and choose the correct laser type. A study published in 2013 showed that longer-wavelength lasers have the best hair removal results for dark-skinned people.

Side effects and risks

During hair removal, some people experience burning, tingling or discomfort. Therefore, many technicians will apply a local anesthetic ointment to the hair removal area. However, some people may have an allergic reaction or skin irritation to anesthetic ointments.

Some minor side effects are common in laser hair removal, including:

Skin color changes, especially for people with dark skin, but skin color changes are usually temporary;Redness of the skin;

The skin is blistered or crusted.Sometimes, the irritation caused by hair removal can cause scarring. Damaged skin can also be infected, although rarely skin infections can spread and be life-threatening.

Before hair removal, a detailed medical record should be provided to the technician to discuss the risks and benefits of hair removal. This can help the technician determine the correct treatment method, thereby reducing the risk of serious side effects.

After hair removal, people should avoid direct sunlight. Because sunlight can irritate the skin, increase the risk of blisters and scars.

People suffering from severe pain, fever, crusting, blisters or other symptoms of skin damage/infection should seek medical help.

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