The Science Of Laser Hair Removal

Laser hair removal Las Vegas is a medical procedure used for removing unwanted hair. It uses a concentrated beam of light called a laser to achieve this. Although hair growth is usually delayed following a laser hair treatment, it doesn’t result in permanent hair removal. Therefore, if a laser hair removal procedure is performed on you, it’s only a matter of time before you’ll have another hair growth, but that will take longer. This procedure is most effective for people with dark hair and light skin. However, it can also be successfully performed on all types of skin.

Why Laser Hair Removal?

It is done to reduce the growth of unwanted hair. Perhaps you’re wondering and asking, who doesn’t want hair? Well, some people don’t like it. Maybe you’re only thinking of the hair on the scalp. Common parts of the body where this treatment is applied include armpits, legs, chin, upper lips, bikini line, chin, and so on. Besides these parts, laser hair removal can treat unwanted hair in several other areas of the body, excluding the eyelid or surrounding area. Parts of the body with tattoos are also often excluded. This is because the laser may damage the tattoo ink, hence, destroying the tattoo. A laser is one of the treatments used by artists to remove the tattoo. 

Risk Factors

As useful as laser hair removal is, it comes with its risk factors, just like several other medical procedures. The risks of side effects vary with hair color, skin types, and treatment plans, among others. The following are some of the most common side effects of laser hair removal:

Pigment Changes: The skin in the area where laser treatment is performed might be darkened or lightened after the procedure. In some cases, these changes can be temporary, while in other cases, it might be permanent. 

Skin Irritation: This is another possible side effect of laser hair removal. It is a temporary discomfort caused by swelling and redness that may be caused after the procedure. However, this often disappears within a couple of hours. 


The Principle

The Science behind how these procedures work is that a laser will emit light energy, which will then be absorbed by the melanin pigment in the hair. The light energy will then be converted to heat. The heat will destroy the tube-shaped sacs within the hair follicles, which produces the hair. Once this has been done, the growth of hair will be inhibited or delayed in the future. 

The success of laser hair removal is mostly influenced by hair color and skin type. As explained earlier, the basic principle is that the hair pigment, and not the skin pigment, will absorb the light. The laser will, therefore, damage only the hair follicle without affecting the skin. Thus, the best result is usually obtained when there’s a contrast between the hair and skin color (dark hair and light skin).

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