2016
DOI: 10.5222/otd.2016.1069
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Facial hyperpigmentations and their management

Abstract: ÖZ GİRİŞDeriye rengini keratinositler ve melanositlerdeki melanin pigmenti verir. Bunun yanında, stratum korneumun kalınlığı, damar yapısı, karotenoid gibi eksojen pigmentlerin varlığı da etkilidir. Deri hiperpigmentasyonu, melanositlerin sayı ve fonksiyonlarındaki artış ya da deriye renk veren diğer maddelerin birikimi sonucu ortaya çıkar (1) .Hiperpigmentasyon epidermiste, dermiste ya da her iki alanda melanin miktarındaki artışı tariflemek için kullanılan bir terimdir. Birçok faktör fasiyal hiperpigmentasyo… Show more

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(1 citation statement)
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“…O-ISO and glycolic acid combination results in an increased risk of hyperpigmentation, which is also associated with postinflammatory pigmentation[14,15]. Cytokines along with mediators such as leukotrienes, prostaglandins and thromboxanes are responsible for post-inflammatory hyperpigmentation[18,19].Exposure to sunlight, results in proopiomelanocortinderived peptides to cause hyperpigmentation by stimulating pigmentation in exposed areas[20].In the study, 13.9% of participants developed hyperpigmentation after six months of O-ISO use.The reason for a higher percent of hyperpigmentation than what is reported in the literature may be the cumulative effect resulting from the 6-month of O-ISO use, impaired enzyme metabolism and increase in post-inflammatory reactions. The high altitude at the site where the study was conducted and the arrival angle of sunlight may have contributed to the high frequency of hyperpigmentation.…”
mentioning
confidence: 78%
“…O-ISO and glycolic acid combination results in an increased risk of hyperpigmentation, which is also associated with postinflammatory pigmentation[14,15]. Cytokines along with mediators such as leukotrienes, prostaglandins and thromboxanes are responsible for post-inflammatory hyperpigmentation[18,19].Exposure to sunlight, results in proopiomelanocortinderived peptides to cause hyperpigmentation by stimulating pigmentation in exposed areas[20].In the study, 13.9% of participants developed hyperpigmentation after six months of O-ISO use.The reason for a higher percent of hyperpigmentation than what is reported in the literature may be the cumulative effect resulting from the 6-month of O-ISO use, impaired enzyme metabolism and increase in post-inflammatory reactions. The high altitude at the site where the study was conducted and the arrival angle of sunlight may have contributed to the high frequency of hyperpigmentation.…”
mentioning
confidence: 78%