What Is the Difference Between Hair Removal Lasers for Men Depending on the Wavelength?

Hello.

I’m Wi Young-jin from Beauty's Doctor.

Summer is approaching, and many men start thinking more about hair removal.

This is because of arm hair visible below short sleeves, chest hair showing through clothing, and facial hair that grows back quickly even after shaving every day.

When you search for “laser hair removal for men,” numbers such as 755 nm and 1064 nm appear, along with a wide variety of device names, which can make things even more confusing.

To put it simply, it is often difficult to treat every area with just one type of laser for men’s hair removal.

This is because the thickness and depth of hair, as well as skin tone, vary depending on the area.

For this reason, devices that can use both the Alexandrite 755 nm and Nd:YAG 1064 nm wavelengths have recently been widely used.

A representative example is the GentleMax Pro Plus.

Men's Hair Tends to Be More Challenging Than Women's

Men’s hair is generally thicker and tends to be rooted more deeply.

In particular, the follicles themselves around the beard and sideburns are deep and firm, so the response to hair removal may appear gradually.

Areas with a large surface area, such as the chest, abdomen, and back, also tend to require more treatment time and sessions because of the greater amount of hair.

Therefore, rather than feeling like the process is finished after just a few sessions, as with women’s hair removal, it is closer to a longer-term management process.

In many cases, six to ten or more sessions are performed, and the beard may require even more.

For this reason, it is best to view explanations such as “it will be finished in three sessions” with some caution from the outset.

755 nm Alexandrite Laser

The 755 nm Alexandrite wavelength is strongly absorbed by melanin.

However, if the skin is significantly tanned or the skin tone is darker, the possibility of skin irritation should be taken into consideration.

Therefore, the proportion of Alexandrite may be reduced during periods of frequent outdoor activity in summer or immediately after a vacation.

1064 nm Nd:YAG Laser

The 1064 nm Nd:YAG wavelength reaches deeper into the skin.

Although its melanin absorption rate is relatively low, it has advantages for beard hair removal, where the follicles are deep.

It can also be used relatively safely on darker skin tones or slightly sun-tanned skin.

For this reason, Nd:YAG is frequently used for men’s beard hair removal.

However, as the power increases, the pain may feel more intense and heavy, so the intensity is often adjusted at first to allow the patient to adapt.

The Most Suitable Wavelength Can Differ Depending on the Area

Beard and Sideburns

Because beard follicles are deep and thick, Nd:YAG is often used.

This is one of the more painful areas for men’s hair removal, so treatment may begin at a lower intensity.

Chest, Abdomen, and Back

Because these areas are broad and the hair tends to be thick, Alexandrite is often used.

However, if the skin is darker, treatment may be performed with a higher proportion of Nd:YAG.

Underarms

Because the follicles are deep and the skin is sensitive, both wavelengths are often used together.

Arms and Legs

Since thick and fine hairs are mixed together, using only one wavelength may leave fine hairs that remain visible.

Therefore, it is important to adjust the wavelength according to the condition of the hair.

What to Check During Your Consultation

During a hair removal consultation, it is more important to ask, “Which wavelength will be used for my treatment area?” than simply asking, “Which device do you use?”

This is because some clinics use different wavelengths depending on the area, while others use only one approach, even with the same device.

There are also several other things worth checking:

• How many sessions are typically needed

• How the intervals between treatments are scheduled

• Whether the method is suitable for my skin tone

Laser hair removal needs to be performed several times according to the hair growth cycle, so treatments are often scheduled at intervals of four to six weeks.

Men’s Hair Removal Is a Process That Requires Ongoing Management

Men’s hair removal is less about receiving one intense treatment and finishing the process, and more about gradually reducing the amount of hair over time.

Ultimately, what matters is not just the name of an expensive device, but whether the treatment is adjusted according to your skin condition and hair type.

Frequently Asked Questions

Q. Which is better, the two wavelengths?

A. They differ more in their roles than in superiority.

Alexandrite has strengths for thick hair and broad areas, while Nd:YAG has strengths for deep beard follicles and darker skin tones.

Therefore, both wavelengths are often used together in actual treatments.

Q. Is it permanent hair removal after just one treatment?

A. The amount of hair may remain reduced for a long time, but some hair may grow back over time.

For this reason, some people receive supplemental treatments every one to two years.

Thank you for reading this long post.

This was Wi Young-jin.