{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T14:21:13Z","timestamp":1779286873901,"version":"3.51.4"},"reference-count":23,"publisher":"MDPI AG","issue":"20","license":[{"start":{"date-parts":[[2022,10,14]],"date-time":"2022-10-14T00:00:00Z","timestamp":1665705600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"University of Opole"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>The synergy of cosmetic acids, with their keratolytic and antibacterial properties, with the mechanical exfoliation of the epidermis brings faster and better treatment results. The aim of the study was to compare the effects of using only pyruvic acid and the synergy of microdermabrasion and chemical exfoliation. In total, 14 women diagnosed with acne took part in the study. Two areas were marked on the participants\u2019 faces: the right side (microdermabrasion treatment and a preparation containing pyruvic acid 40%) and the left side (preparation containing pyruvic acid 40%) without mechanical exfoliation. A series of four treatments was performed at 2-week intervals. Skin parameters such as stratum corneum hydration and sebum secretion were measured. Before the treatments, all patients had moderate acne according to GAGS (Min: 19, Max: 22, Md: 20), and after the treatments, it decreased to mild acne according to GAGS (Min: 13, Max: 17, Md: 140). On the right side of the face, there was a statistically significant reduction in sebum secretion in all the examined areas of the face and increase in the hydration of the stratum corneum. On the left side of the face, the differences were also observed in the decrease of sebum value and increase of hydration level; however, they were smaller than on the right side. The use of microdermabrasion in combination with pyruvic acid led to better results in the case of increased hydration and reduction of sebum secretion than using only pyruvic acid treatment.<\/jats:p>","DOI":"10.3390\/jcm11206079","type":"journal-article","created":{"date-parts":[[2022,10,17]],"date-time":"2022-10-17T02:29:46Z","timestamp":1665973786000},"page":"6079","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["A Split Face Comparative Study to Evaluate the Efficacy of 40% Pyruvic Acid vs. Microdermabrasion with 40% Pyruvic Acid on Biomechanical Skin Parameters in the Treatment of Acne Vulgaris"],"prefix":"10.3390","volume":"11","author":[{"given":"Monika","family":"Rusztowicz","sequence":"first","affiliation":[{"name":"Department of Health Sciences, Institute of Health Sciences, University of Opole, 45-040 Opole, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6435-0179","authenticated-orcid":false,"given":"Karolina","family":"Chilicka","sequence":"additional","affiliation":[{"name":"Department of Health Sciences, Institute of Health Sciences, University of Opole, 45-040 Opole, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Renata","family":"Szygu\u0142a","sequence":"additional","affiliation":[{"name":"Department of Health Sciences, Institute of Health Sciences, University of Opole, 45-040 Opole, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9371-0882","authenticated-orcid":false,"given":"Wiktoria","family":"Odrzywo\u0142ek","sequence":"additional","affiliation":[{"name":"Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, 41-200 Sosnowiec, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6418-2788","authenticated-orcid":false,"given":"Antoniya","family":"Yanakieva","sequence":"additional","affiliation":[{"name":"Department of HTA, Faculty of Public Health, Medical University of Sofia, 1427 Sofia, Bulgaria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5482-7324","authenticated-orcid":false,"given":"Binnaz","family":"Asanova","sequence":"additional","affiliation":[{"name":"Medical College Yordanka Filaretova, Medical University of Sofia, 1606 Sofia, Bulgaria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6066-3127","authenticated-orcid":false,"given":"S\u0142awomir","family":"Wilczy\u0144ski","sequence":"additional","affiliation":[{"name":"Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, 41-200 Sosnowiec, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,10,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Chilicka, K., Rogowska, A.M., and Szygu\u0142a, R. 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