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 Indian J Med Microbiol  
 

Figure 2: A retrospective overview of Lasers used in Melasma (2007-2013) Improvement/Worsening (0-25%; 1: 26-50%; 2: 51-75%; 3: 76% >; 4). The maximum improvement attained (26-50%) by the QswNd: YAg, Fractional Er: YAg, Fractional CO2 and Er: YAG (Erbium Peel) was followed by a deterioration 2 months after the last sitting. This post inflammatory pigmentation (PIH) subsided after a mean of 3.2 months

Figure 2: A retrospective overview of Lasers used in Melasma (2007-2013) Improvement/Worsening (0-25%; 1: 26-50%; 2: 51-75%; 3: 76% >; 4). The maximum improvement attained (26-50%) by the QswNd: YAg, Fractional Er: YAg, Fractional CO<sup>2</sup> and Er: YAG (Erbium Peel) was followed by a deterioration 2 months after the last sitting. This post inflammatory pigmentation (PIH) subsided after a mean of 3.2 months