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The carbon dioxide laser (CO2 laser) was one of the earliest gas lasers to be developed. The active laser medium (laser gain/amplification medium) is a gas discharge which is air- or water-cooled, depending on the power being applied. Melasma (also known as chloasma faciei): or the mask of pregnancy when present in pregnant women) is a tan or dark skin discoloration. Melasma is thought to be caused by sun exposure, genetic predisposition, hormone changes, and skin irritation.

Produktbeschreibung
The carbon dioxide laser (CO2 laser) was one of the earliest gas lasers to be developed. The active laser medium (laser gain/amplification medium) is a gas discharge which is air- or water-cooled, depending on the power being applied. Melasma (also known as chloasma faciei): or the mask of pregnancy when present in pregnant women) is a tan or dark skin discoloration. Melasma is thought to be caused by sun exposure, genetic predisposition, hormone changes, and skin irritation.
Autorenporträt
Dr. Sherief Mahdy Hussein, MD, MBA (TQM), Lecturer and Consultant of Dermatology, Venereology & Andrology, National Research Centre, Egypt, experienced in clinical researches and has several international publications, clinical experience in Dermatology, Mycology, Venereology, Andrology, Cosmetic procedures and total quality management.