Microdermabrasion theory
May 18th, 2012 by infoMicrodermabrasion operates on the premise that encouraging exfoliation of the skin is desirable. The word “micro” is used to separate this procedure from true dermabrasion, where the deeper layers of the skin are removed. By using a motorized brush system or bombarding the skin with high-speed particles, it is possible to remove desquamating corneocytes, and make the skin smoother and softer with a better color. It is important not to go any deeper into the skin than the first few layers of stratum corneum to avoid scarring and other problems. Microdermabrasion can be used by trained skin care professionals because it does not enter the living layers of the skin; any procedure that enters the living layers of the skin and causes bleeding should be performed by a physician.
Microdermabrasion improves the appearance of several aspects of the skin, such as increased pigment, which may be contained in the outer corneocytes. This pigment may make the skin look freckled due to the presence of lentigenes, the medical term for brown spots, and scaling brown growths, known as seborrheic keratoses. Microdermabrasion can remove the skin scale that contains the pigment, making the skin more evenly colored. However, it is possible for the lentigenes and seborrheic keratoses to reappear as the skin cells again produce irregular pigment, making the improvement temporary.
There is some evidence that repeated microdermabrasion can have a longer-lasting impact on the amount of ground substance in the skin responsible for holding water. The minor skin injury induced by microdermabrasion may cause wounding that encourages the skin to heal. This healing can stimulate the replacement of skin structure and improve the appearance of photoaged skin. Controlled wounding is the reason both dermabrasion and laser resurfacing improve skin appearance. This same effect is seen to a much lesser degree with microdermabrasion, especially if the procedure is repeated every two to four weeks.
By: Zoe Draelos, MD, and Peter T. Pugliese, MD
Posted in Cosmetology | No Comments »



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