First, there are side effects which are called temporary. They are not dangerous and they fade away after a few days. What can be experienced after the procedure is swelling and redness of the skin and can be alleviated by applying special creams. During the procedure you can also feel pain, but this can also be eased by using anesthetics.
There are however more dangerous side effects of laser hair removal and they can be permanent. One of them includes burns. They can occur if a less qualified technician performs the procedure, but it is highly advised to visit a doctor first to learn if you are the right candidate for undergoing this kind of procedure. It has been noted that patients with darker skin complexion are more liable to suffer from burns. The reason is that their pigments absorb the laser more easily.
A different kind of a permanent side effect includes hyperpigmentation and hypopigmentation. They are concerned with the change of the tone of skin. The first one occurs when the skin gets darker, the second one, when it becomes lighter. The reason for this is the production of melanin, which can be increased by the action of the laser or in some cases may be limited, which causes the loss of skin pigment.
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It is true that there exist some laser hair removal side effects , but it is all up to you which method you want to choose. A permanent effect is definitely satisfying and many people choose this way of hair removal, not worrying about its after effects.