With the advent of new lasers, it will not be greatly affected. Of course, it depends on your pain tolerance, but in most cases it will feel like a needlestick or a rubber band.

How much treatment do men need?

"A man's back or chest will require six to eight treatment intervals separated by about two months (six to eight weeks) to see obvious results," said Karavolas. "We can only say that the customer will permanently remove hair, not permanent hair removal, because what happened was a hair follicle died, but there may be another hair follicle that died and it may self-regenerate.
"The hair growth cycle is different, so at any given time - this varies from person to person - 30-60% of hair is in the early stages of growth, but the rest is in dormancy or death," Karavolas said.
The laser kills hair during growth, and the dead hair drains after a few weeks. So by the time you reach your next date, the growing hair is now in a dormant or dead phase. Overall, if you follow all the rules and receive treatment within the recommended timeframe, men can see anywhere from 50% to 85% permanent hair loss.
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What should a man know before making the first laser hair removal machine appointment?

1. shave

You should shave off the area you want to treat before dating. If you do not do this, a technician or dermatologist will trim or shave the area for you. (If this seems difficult to understand, pay attention to our advice and shave ahead of time.)
"When the beam passes through the shaft, a lot of energy is absorbed," Karavolas said. "You want short hair, so when the light passes through it, there is enough to strike and destroy the hair follicle."

2. Leave the sun

The reason people often receive laser hair removal in the winter is that you do not want sun exposure in the treatment area for about three weeks before the meeting.

You will discuss your race to determine the correct laser

Some lasers are best for lighter skin and some for darker skin. The ideal candidates are those with fair skin and dark hair follicles. Red, blond and white hair people do not see the result of laser hair removal and should not be treated.
People with fair skin will fall into skin types 1, 2 and 3, Caravalos said, which will make the best response to the 808nm diode laser hair removal machine . "It has a short wavelength (755 nm), which is easy on the skin and effective on light hair."
Those with olive/dark skin will belong to skins 4, 5 and 6 (4 are Indians, 5-6 are African-Americans, Caravalos says).

4. It's fast

It takes about 15 to 20 minutes to complete the chest surgery, and about 30 minutes to complete the back surgery. Your technician will draw a grid to ensure that the entire area is treated, then apply soothing cream or aloe vera to relieve redness and inflammation. This is a bit like a mild sunburn.

5. You can't handle post-processing

In fact, you need to stick to it after your date.
"Because you temporarily hurt the skin, so you want it to heal before it heals overheating because it causes more swelling and discomfort," Karavolas said. After 48 hours, you can take a sauna in the sun, enter the hot tub, and then exercise.

https://www.sk-eily.com/808nm-diode-laser/