Is Laser Hair Removal Permanent?
Laser hair removal is the very best combination of hair reduction and minimal fuss, but while it is effective, it is not entirely permanent. Laser hair removal could lead to a decrease of up to 90% of hair growth on the targeted region. It is a basic, convenient treatment method which involves applying laser light to the hair follicles which gently warms the follicle until it is not capable of growing new hair. In the beginning, this worked best for people with light skin tone and coarse dark hair, since the melanin in dark hair was far better at turning light into heat, but current laser light technologies work for all hair and skin types.
The reason laser hair removal is not entirely permanent is due to the way in which hair grows, as well as the healing power of the human body. There are various cycles of hair regrowth - active, regressive, and resting - and any hair in the resting or regressive period aren't developed enough for the laser to have an effect on them. That's why quite a few treatments are often needed to reach the benefits you want, or else hairs in the resting period will shift into the active period and start growing again. Fortunately, you can avoid this problem by simply returning for the next round of treatments, until all the hair follicles have been taken care of.
Because of the way your system repairs itself over time, it is possible that a few new hair follicles will appear and grow hair, but this hair is generally much finer and of a lighter color, that makes it less visible - however, if you still want to get rid of it, you can just go with a further treatment. At the moment, this is actually the simplest hair removal treatment that science has been able to develop.
At the moment, the one hair removal treatment method which the FDA considers "permanent" is electrolysis, which happens to be an exceedingly elaborate process that entails slipping small needles straight into the skin and electrocuting your hair follicles to death - far from a nice option, and patients will almost always be subjected to mild to serious discomfort, and treatments normally take up to 4 years (yes, that's right - four YEARS) to complete.
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