Why Laser Hair Removal in Yangcheon-gu Can’t Be Done All at Once and the Points You Should Check

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Hello.

I’m Kim Jin-hyeon, chief director at UNNI Clinic Mokdong Branch.

“I'm curious about the principle behind removing hair with laser hair removal.”

Many people are bothered by the inconvenience of shaving every day or by noticeable body hair.

As neat grooming has become part of etiquette, it is only natural to consider laser hair removal as a way to address this.

Unlike simply shaving hair off, laser treatment approaches it from the root, so understanding the principle properly is important.

Today, I have carefully organized the information to help answer your questions.

Table of Contents

• How is it done?

• What about pain or treatment time?

• Why are repeated treatments necessary?

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How is it done?

The key is to target the hair follicle, the root of the hair, and control the environment in which it grows.

Body hair contains melanin pigment, which appears black. When laser energy of a specific wavelength is applied, it is selectively absorbed by this pigment and converted into thermal energy.

The heat generated at this time damages the hair follicle and root, making it difficult for hair to grow.

Laser devices that use wavelengths such as 755nm have high melanin absorption, so they can be expected to bring positive changes for coarse hair.

However, because hair thickness and skin tone differ from person to person, the energy level must be adjusted to match each condition.

If the procedure is performed uniformly without considering individual characteristics, satisfaction may be low, so it is important to assess your condition carefully and then make a plan.

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What about pain or the burden of treatment time?

Because it uses thermal energy, you may feel a stinging sensation or warmth during the procedure.

In particular, areas such as the upper lip or underarms, where nerves are concentrated and the skin is thin, can naturally feel more sensitive.

However, many modern devices are equipped with powerful cooling systems, which quickly cool the skin surface during treatment.

Thanks to these systems, more people are able to undergo treatment with a relatively lower burden than in the past.

Treatment time has also been greatly reduced as device spot sizes have become wider.

That said, the degree of pain felt is subjective, so if you are very concerned, please discuss it thoroughly with the medical staff before the procedure and choose an appropriate adjustment.

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Why are repeated treatments necessary?

This is because body hair does not grow all at once; it goes through a cycle of the anagen, catagen, and telogen phases.

Laser energy mainly responds to hair follicles in the anagen, or growth, phase. Hair that was in the resting phase at the time of treatment will later grow again.

That is why multiple treatments are needed at intervals of about 4 to 6 weeks to gradually manage the overall hair follicles.

Even after treatment ends, you should keep in mind that over time fine hair may become thicker or some hair may grow again, making it feel like it has “returned.”

This is because the medical goal is not to maintain a permanently completely hair-free state, but to significantly reduce hair volume and make maintenance easier.

Therefore, if you continue occasional maintenance based on your condition after a certain period of time, it can help you maintain satisfactory results for a long time.

Today, I explained this for those who were looking for information about laser hair removal in Yangcheon-gu.

Laser hair removal is a method of managing hair follicles by using the hair growth cycle and the principle of melanin pigment, and the number of sessions needed and the response may vary depending on the individual.

The plan may differ depending on your skin condition and goals, so I recommend finding the method that suits you best based on a careful diagnosis before treatment.

After first checking your condition, I recommend adjusting the necessary area and number of sessions before proceeding.

This was Kim Jin-hyeon, chief director at UNNI Clinic Mokdong Branch.

Thank you.

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