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Is Laser Hair Removal Permanent?

Posted By: Lic. Silvia Derasner | August 4th, 2015 | Blog

Girl receiving laser hair removalLaser hair removal is one of the most accepted and proven dermatology treatments available today. It is safe, effective, permanent, and available in many locations across Toronto. To understand why this is, it helps to look at the underlying behaviour of the laser hair treatment.

Fun with Lasers



A laser is a highly-focused beam of light capable of producing a large amount of heat if concentrated properly. When directed at hair follicles, the light from the laser is quickly absorbed, resulting in the follicle effectively being “fried”. Light comes in different wavelengths and by manipulating the wavelength of the laser, along with the frequency of its pulses, your skin care specialist can devise optimal means of affecting the follicles without harming your skin.

Facts on Follicles



The reason the follicles need to be targeted is because hair is literally, to put it simply, dead weight. Hair is dead protein that is grown from hair follicles. This is why plucking or waxing does not result in permanent hair loss—you are removing the hair but not the follicle that is producing it.


Melanin is a pigment naturally produced by the body. It is a dark pigment, which makes it ideal for absorbing the light of a laser. Hair follicles contain a large amount of melanin during their growth phase, making this the only period during which laser hair removal is effective. At any given time, around 20% of your hair follicles are in this growth phase, meaning multiple laser treatments are needed to ensure all of the follicles in the targeted area get zapped.

Impact of Melanin



Melanin is also the reason why skin type is a large determinant of how many laser hair treatments you need for a given area and how much those treatments will cost. It is a matter of the difficulty of the procedure. Dark hair on a pale-skinned person is easier to remove than, say, blond-hair on a dark-skinned person. Darker hair has more melanin in its follicles and the paler skin means your skin care specialist has more leeway in the strength of the laser without risking damage to your skin. If necessary, an artificial darkening component can be introduced to your hair to make it easier for the follicles to be targeted.

Treatment Differences



Although the overall mechanism is the same—using lasers to overheat hair follicles—this does not mean all laser hair removal treatments are created equally. The safety, efficacy, and efficiency of the treatment depend on the technology that your skin care specialist has at their disposal. This is what makes the Anti Aging Toronto Clinic one of the best laser hair removal options in Toronto. Our skin care specialists use practiced and refined skills to determine the most effective laser wavelength and pulse for any combination of skin and hair type, while our state-of-the-art technology lets us fine-tune the laser to your exact needs. The result is affordable, permanent hair loss. Contact us today to learn more about our laser hair removal treatments.

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