What the experts said above, I just did a sorting, but I found that what some experts said was a little different. Here is what another expert said.
Some experts said that laser hair removal is related to the repair ability of hair follicle stem cells.
Laser hair removal, such as 800 nm laser, has a hair loss rate of about 80% to 85%. It cannot be 100%. Some have a total wool loss probability of 75%. Although it is also high, it is still not 100%.
Every time after laser hair removal, his skin becomes normal, and then his hair doesn't grow much. But about a month, 30 to 40 days later, you suddenly find that your hair has grown back.
So you have to follow the cycle, like body hair, at least three or four times, and then once a month to about a month and a half.
After the laser is done, it can really make the local hair sparse and thin. Generally, about 85% hairless rate of regular laser is very good.
Of course, some of them have abnormal hormone secretion, such as polycystic ovary syndrome, or some of them, such as sacrococcygeal, have congenital spina bifida, where hair growth is relatively strong. This kind of laser removal is difficult and cannot be completely removed. It is possible to do it seven or eight times or even a dozen times.
Therefore, laser hair removal can not be completely permanent, but it can achieve the therapeutic effect of reducing most hair.
These are the answers given by two experts. I agree with the second expert because it is more detailed. Now lasers can be done in formal institutions or at home. Relatively speaking, it is safer to do it at home. How? Due to the limited space, you can take a look at this "Farewell to Mao". I hope it will be helpful and reference for you.
Can laser hair removal achieve permanent hair removal?
Believe this answer, you know.
Finally, I wish you success in hair removal.
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