Is Laser Hair Removal the Only Permanent Solution for Underarm Hair?

Please ask your question about hair removal?

Hello, doctor.
I would like to ask if laser hair removal is the only permanent solution for underarm hair removal.
Is laser hair removal completed in one session or does it require multiple sessions? What is the approximate cost? Thank you for your answers.
Wishing you peace and happiness!

Xiao Ai, 20~29 year old female. Ask Date: 2001/03/15

Dr. Luo Qihua reply Plastic Surgery

To completely remove hair, the most commonly used methods are electrolysis and laser hair removal.
Electrolysis involves inserting a needle into the skin to directly destroy hair follicles through thermal energy.
The cost per session is generally lower than that of laser hair removal, but each follicle must be treated individually, making the process slower.
In contrast, laser hair removal utilizes the photothermal effect, where melanin absorbs the thermal energy, leading to the destruction of the hair follicle itself for effective hair removal.
Hair has specific growth and resting phases, which vary by body area.
For instance, the growth phase of underarm hair lasts about three months, while the resting phase lasts approximately four months, with the resting phase accounting for about eighty percent of the time.
Hair removal procedures target hair follicles in the growth phase and are ineffective on those in the resting phase.
Therefore, multiple treatments, spaced one to two months apart, are necessary to achieve satisfactory results; this is not an intentional separation of treatments.
After three sessions of laser hair removal, approximately sixty to seventy percent hair reduction can be expected.
Even with additional treatments, achieving a one hundred percent hair removal rate is challenging; however, it is noticeable that all remaining hair becomes finer and less visible.
The cost for a single treatment of both underarms typically ranges from twenty thousand to forty thousand New Taiwan Dollars.

Reply Date: 2001/03/15

More Info

Laser hair removal is indeed one of the most effective and long-lasting solutions for underarm hair removal, but it is not the only option available. Let's delve into the details of laser hair removal and other methods, along with their effectiveness, costs, and considerations.

Laser Hair Removal
Effectiveness: Laser hair removal works by targeting the pigment in hair follicles with concentrated light, which damages the follicle and inhibits future hair growth. This method is particularly effective for individuals with darker hair and lighter skin, as the contrast allows the laser to target the hair more effectively. However, advancements in technology have made it possible for laser hair removal to be effective on a wider range of skin tones and hair colors.

Treatment Sessions: Typically, laser hair removal is not a one-time treatment. Most individuals require multiple sessions—usually between 6 to 8 treatments spaced several weeks apart—to achieve optimal results. This is because hair grows in cycles, and the laser is most effective during the active growth phase (anagen phase). Therefore, multiple sessions are necessary to catch all the hair in this phase.

Cost: The cost of laser hair removal can vary significantly based on geographic location, the experience of the practitioner, and the specific technology used. On average, a single session for underarm hair removal can range from $50 to $150, with total treatment costs potentially reaching $1,000 to $3,000 for the complete series of sessions. It’s essential to consult with a licensed practitioner to get an accurate estimate based on your specific needs.

Other Hair Removal Methods
While laser hair removal is a popular choice for its long-term results, there are other methods available for underarm hair removal:
1. Electrolysis: This method uses an electric current to destroy hair follicles individually. It is FDA-approved for permanent hair removal and can be effective for all hair types and skin tones. However, like laser hair removal, it requires multiple sessions and can be time-consuming and costly.

2. Waxing: Waxing removes hair from the root and can provide smooth skin for several weeks. However, it is not a permanent solution, as hair will eventually grow back. Regular waxing can lead to finer hair over time, but it does not guarantee permanent removal.

3. Depilatory Creams: These chemical-based creams dissolve hair at the skin's surface. They are easy to use and can provide temporary results, but they can cause skin irritation and are not a permanent solution.

4. Shaving: While shaving is a quick and painless method, it only removes hair at the skin's surface and requires frequent maintenance. It does not provide long-term results.

Conclusion
In summary, while laser hair removal is one of the most effective and long-lasting methods for underarm hair removal, it is not the only option. Other methods like electrolysis, waxing, and depilatory creams can also be considered, depending on your preferences, skin type, and budget. If you are looking for a permanent solution, laser hair removal or electrolysis would be the best choices. Always consult with a qualified dermatologist or licensed practitioner to discuss your options, potential side effects, and what method would work best for your individual needs.

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