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Pol J Cosmetol 2015, 18(2): 164-169pl  The evaluation of glycolic acid peel on selected skin parameters and its effectiveness in reducing post acne scars and hyperpigmentation - case reportMarta Wacewicz, Katarzyna Wołosik, Marta Wilkońska Samodzielna Pracownia Kosmetologii, Wydział Farmaceutyczny z Oddziałem Medycyny Laboratoryjnej, Uniwersytet Medyczny w Białymstoku Summary Acne vulgaris (acne vulgaris) is one of the most common dermatological diseases associated with overactive sebaceous glands. There are few characteristic symptoms of the disease which is divided into primary, secondary and post-inflammatory. Acne treatment involves elimination of symptoms and preventing their complications - hyperpigmentations and scars. Glycolic acid is commonly used in the treatment of acne. It has a small molecule, making it easy to penetrate into the skin. Glycolic acid has keratolytic, anti-inflammatory and antioxidant properties. 22-year-old women with facial acne took part in this study. The patient´s skin was covered with blackheads, acne inflammations and post acne hyperpigmentations. Four treatments with 30% peeling of glycolic acid, was taken at 7 days intervals. The measurements of skin hydration, sebum and desquamation levels were carried out using computer´ skin analysis. After the treatment general improvement of the skin was observed - reduction in post-inflammatory and hyperpigmentations visibility. The level of sebum was reduced from about 26 to about 22%.The skin´s hydration in the T and U zone improved. The level of desquamation before the treatment was disturbed and after the treatment improved and was proper. Exfoliation with glycolic acid is one of the effective methods for reducing post acne hyperpigmentations and scarring. Glycolic acid treatments have a positive influence on selected parameters of the skin, the level of sebum, hydration and desquamation. Key words: acne, postacne hyperpigmentation, postacne scars, glycolic acid |