Does Laser Hair Removal Really Work Permanently?
Laser hair removal provides the best blend of hair reduction and minimum fuss, but even though it is quite effective, it is not completely permanent. Laser hair removal can lead to a reduction of as much as 90% of hair on the treated area. It is a basic, hassle-free treatment which involves shining laser light to your hair follicles which carefully heats the follicle until it is incapable of growing new hair. At first, this performed best for men and women with pale skin tone and coarse dark hair, since the melanin in darker hair was far better at converting light into heat, but more modern laser light technologies are working for all hair and skin types.
The reason laser hair removal isn't fully permanent is because of the way hair grows, and also the healing power of the body. There are various periods of hair growth - active, regressive, and resting - and any hairs in the resting or regressive cycle are not developed enough for the laser to affect them. This is the reason many treatments are often necessary to reach the benefits you want, or else hairs in the resting cycle will go into the active cycle and begin growing again. Happily, you can avoid this problem just by returning for the next set of treatments, until all the hair follicles have been dealt with.
Due to the way your system fixes itself over time, it's possible that a couple of new follicles will develop and grow hair, but this hair will likely be much finer and of a lighter tone, which makes it less noticeable - but if you still prefer to remove it, you will be able to just opt for one more treatment. Currently, this is the best performing hair removal treatment that scientific research has been able to invent.
Presently, the sole hair removal treatment the FDA considers "permanent" is electrolysis, which is an incredibly complex procedure that involves slipping fine needles into the skin and electrocuting the hair follicles to death - certainly not a nice option, and users will almost always be exposed to mild to extreme pain, and treatments may take up to 4 years (yes, you got it - four YEARS) to complete.
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