Is Laser Hair Removal Really Permanent?
Laser hair removal provides the best combination of hair reduction and very little hassle, but even though it is very efficient, it is not absolutely permanent. Laser hair removal can bring about a decrease of as much as 90% of hair growth on the treated region. It is a basic, hassle-free solution that involves shining laser light to your hair follicles which gradually warms the follicle until it is not capable of growing new hair. In the beginning, this functioned best for individuals with light skin color and coarse dark hair, since the melanin in dark hair was more effective at converting light into heat, but more modern laser light systems work with all skin and hair types.
The reason laser hair removal isn't completely permanent is due to the way in which hair develops, as well as the healing power of the body. There are various cycles of hair growth - active, regressive, and resting - and any hairs in the resting or regressive cycle usually are not developed enough for the laser to have an effect on them. This is the reason a number of treatments are often needed to get the results you want, otherwise hairs in the resting cycle will move into the active cycle and begin growing again. Fortunately, you can avoid this concern simply by returning for an additional set of treatments, until finally every one of the hair follicles are treated.
Because of the way your body heals itself with time, it's possible that a couple of new follicles will appear and grow hair, but this hair is often much finer and of a lighter tone, which makes it less obvious - but if you still want to get rid of it, you will be able to just opt for one more treatment. Currently, this is actually the simplest hair removal treatment that scientific research has been able to invent.
At this time, the sole hair removal treatment method which the FDA accepts as "permanent" is electrolysis, which is a very intricate process that involves sliding small needles straight into your skin and electrocuting your hair follicles to death - most certainly not a nice option, and patients will always be put through mild to serious suffering, and treatments can take nearly 4 years (yes, you got it - four YEARS) to complete.
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