{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T12:16:02Z","timestamp":1792066562300,"version":"4.4.0"},"reference-count":25,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2023,5,2]],"date-time":"2023-05-02T00:00:00Z","timestamp":1682985600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Cosmetic Dermatology"],"published-print":{"date-parts":[[2023,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Vitamin C is a micronutrient present in high concentrations in normal skin and a highly prescribed cosmeceutical, well known for protecting against ultraviolet\u2010induced pigmentation and regulating collagen production. However, there is a lack of studies evaluating the efficacy of topical vitamin C in photoaging and melasma, with this systematic review being the first to assess the existing evidence.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>This systematic review aims to assess whether topical vitamin C could be effective in reversing photoaging signs and treating melasma.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Prospective, randomized controlled trials assessing protocols with topically applied vitamin C in patients with melasma or photodamage were searched in Medline, CENTRAL, and Scopus databases until the 12th of May 2022. Risk of bias was conducted in accordance with Cochrane Collaboration's tool for assessing the risk of bias in randomized trials, using RevMan 5.0.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Seven publications were included, with 139 volunteers in total. Studies that evaluated the topography of skin indicated that the treated skin appeared smoother and less wrinkled, which was supported by biopsies data. On objective assessments of pigmentation, there was a significant lightening of the skin treated. Hydration improved equally in the vitamin C and placebo\u2010treated sites.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This study revealed that vitamin C is effective in treating uneven, wrinkled skin and has depigmenting properties, but long\u2010term use may be needed to achieve noticeable changes. Q\u2010switched Nd:YAG laser\u2010associated protocols appear beneficial in enhancing vitamin C effects. Topical vitamin C may be a suitable alternative for melasma and photoaging, but more studies are needed to confirm these results and assess the ideal vitamin C concentration.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jocd.15748","type":"journal-article","created":{"date-parts":[[2023,5,2]],"date-time":"2023-05-02T03:53:02Z","timestamp":1682999582000},"page":"1938-1945","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":55,"title":["Efficacy of topical vitamin C in melasma and photoaging: A systematic review"],"prefix":"10.1111","volume":"22","author":[{"given":"Gabriela","family":"Correia","sequence":"first","affiliation":[{"name":"Unit of Pharmacology &amp; Therapeutics, Department of Biomedicine, Faculty of Medicine University of Porto  Porto Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sofia","family":"Magina","sequence":"additional","affiliation":[{"name":"Unit of Pharmacology &amp; Therapeutics, Department of Biomedicine, Faculty of Medicine University of Porto  Porto Portugal"},{"name":"Dermatology and Venereology Department University Hospital Center of S\u00e3o Jo\u00e3o  Porto Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,5,2]]},"reference":[{"key":"e_1_2_8_2_1","unstructured":"MurrayB.These are the most searched\u2010for beauty ingredients of 2020 in Harper's Bazaar. 2020: United Kingdom."},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.3390\/nu9080866"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.0022-202x.2001.01469.x"},{"issue":"12","key":"e_1_2_8_5_1","first-page":"1127","article-title":"Age\u2010related response of human dermal fibroblasts to L\u2010ascorbic acid: study of type I and III collagen synthesis","volume":"319","author":"Dumas M","year":"1996","journal-title":"C R Acad Sci 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