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Introduction To Fractional Laser

A laser is a high-energy beam of light that can be directed into certain areas or tissues within the skin. These beams of light are produced in one wavelength or colour at a time, and can vary in terms of their strength and the type of tissue that they can target.

The process of directing a light source to target a selected area of the skin to damage it is technically known as "selective photothermolysis"; where “thermolysis” refers to ‘decomposition by heat’ and “photo” refers to ‘light.


Laser treat different skin problems including the effects of sun damage, the removal of body hair.

Ultra - Violet light,  treat psoriasis (a skin disease) , and seasonal affective disorder (SAD).

The use of light from laser used as cutting tools of psoriasis and acne.

Ophthalmologists offer laser treatment as a solution to short sightedness.


Ablative Lasers


Ablative" or skin resurfacing lasers briefly direct an intense burst of laser energy onto the surface of the skin. This energy heats water within the surface layers of the skin, causing both the water and the tissue of the skin to turn to vapour. Every time the laser passes over the skin, some of the outermost layers of the skin are removed in a precise and controlled way to the appropriate depth (destruction of the upper surface of the skin).


The skin then heals over a period of time, as new layers of collagen are produced. The skin can literally resurface itself, causing an improvement in the appearance of sun damaged or acne scarred skin. After the treatment, the skin will look much healthier than it did previously.


This intensive treatment can significantly reduce the appearance of lines, wrinkles, and pigment (or skin colour) changes on the face, neck, and other parts of the body. They can be used in sensitive areas, such as lines around the lips, eyes and even eyelids, or over the whole of the face. Acne and other types of scars and certain stretch marks can also be improved.


There are two main types of ablative laser -Carbon dioxide lasers.

      Erbium:YAG laser



Non - Ablative Lasers


Non-ablative lasers have been a more recent introduction in types of aesthetic equipment for skin rejuvenation.


These lasers have lower energy levels than ablative lasers (which resurface or remove the outer layer of skin completely), and try to cause damage within the dermal layer of the skin without removal of the outer epidermal layers. The laser treats the layers of skin under the surface without damaging the surface too much. This lessens the recovery period after the treatment and reduces the number of complications that can occur.


The laser's heat in the dermal layers causes collagen to be produced which helps reduce the appearance of lines and wrinkles. However, the results from this type of procedure are less obvious than those which can be achieved with ablative laser skin resurfacing during which the surface of the skin is removed.


The new non-ablative laser machines are aimed at giving maximum treatment results with minimum recovery time after the treatment. More recent still is the arrival of other non-ablative light machines, such as Intense Pulsed Light (IPL), Light Heat Energy (LHE) and Light Emitting Diode (LED) systems that can be more flexible in their usethan some other lasers.



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