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标题：Effect of a Cosmetic Use with 2% Isostearyl-L-Ascorbic Acid Gel for Postinflammatory Hyperpigmentation and Postinflammatory Erythema in Acne Vulgaris
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作者：Ichiro Kurokawa ; Masako Watanabe ; Kazuhito Hayashibe 等
期刊名称：Journal of Cosmetics, Dermatological Sciences and Applications
印刷版ISSN：2161-4105
电子版ISSN：2161-4512
出版年度：2020
卷号：10
期号：1
页码：28-32
DOI：10.4236/jcdsa.2020.101004
语种：English
出版社：Scientific Research Pub
摘要：Postinflammatory hyperpigmentation (PIH) and postinflammatory erythema (PIE) in acne vulgaris are important and refractory complications for patients with acne vulgaris. To clarify the effects of 2% isostearyl-L-ascorbic acid (ISAA) against PIH and PIE in acne vulgaris, a clinical pilot study with topical 2% ISAA gel was performed in 25 acne patients with PIH and PIE. Topical ISAA gel was applied on the whole face with PIH and PIE in acne vulgaris twice a day for 3 months. Regarding PIH and PIE, investigator’s global improvement rating (IGIR) was evaluated in 7-point scales according to the reduced area of PIH and PIE before and after the study. Remarkable improvement in PIH was observed in 7 patients (28.0%) and in PIE in 12 (48%) of the 25 patients. No adverse reactions were observed during the treatment. Topical ISAA application can be an alternative, non-invasive available treatment for PIH and PIE in acne vulgaris.
关键词：AcneVitamin CPostinflammatory HyperpigmentationPostinflammatory Erythema