{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T17:01:30Z","timestamp":1788368490523,"version":"build-2803163510"},"reference-count":16,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2019,3,28]],"date-time":"2019-03-28T00:00:00Z","timestamp":1553731200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Cosmetic Dermatology"],"published-print":{"date-parts":[[2019,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Acne vulgaris is one of the most common dermatological problems in Asia. While the disease itself is self\u2010limited and temporary, the dystrophic texture changes after the inflammatory process are often a serious aesthetic concern. Many energy\u2010based devices have seen good results in treating atrophic acne scars, and the picosecond laser with specific lens is one of the newer options, and lack reports on its long\u2010term efficacy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>We report three Taiwanese cases who, to our knowledge, consist of the longest clinical follow\u2010up times for atrophic scar treatment with the 755\u00a0nm diffractive lens picosecond laser. Photographs were compared on a by\u2010session basis by two blinded dermatologists independent of the primary treating physician and given an improvement range of &lt;25%, 25%\u201050%, 50%\u201075%, and &gt;75%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>While there are minor (&lt;25%) improvements in all cases after the first four treatment sessions, all three cases saw the greatest improvement in skin texture (&gt;75% in two cases, 50%\u201075% in one) when they were followed up 6, 13.5, and 28\u00a0months post\u2010last treatment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our results demonstrate excellent, long\u2010onset, and long\u2010term efficacy of the picosecond laser with diffractive lens in the treatment of acne atrophic scars. It also demonstrates the safe use of the device on Asian skins without symptoms of postinflammatory hyperpigmentation.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jocd.12925","type":"journal-article","created":{"date-parts":[[2019,3,29]],"date-time":"2019-03-29T04:16:16Z","timestamp":1553832976000},"page":"778-782","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["755 nm picosecond laser for facial atrophic scar\u2014Case reports of long\u2010term clinical efficacy following up"],"prefix":"10.1111","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0789-9875","authenticated-orcid":false,"given":"Ching\u2010Hsin","family":"Huang","sequence":"first","affiliation":[{"name":"P\u2010Skin Professional Clinic Kaohsiung Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5208-8241","authenticated-orcid":false,"given":"Fu\u2010Sen","family":"Hsieh","sequence":"additional","affiliation":[{"name":"P\u2010Skin Professional Clinic Kaohsiung Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4544-4321","authenticated-orcid":false,"given":"Hung\u2010Chia","family":"Chang","sequence":"additional","affiliation":[{"name":"P\u2010Skin Professional Clinic Kaohsiung Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5976-2809","authenticated-orcid":false,"given":"Jui\u2010Hui","family":"Peng","sequence":"additional","affiliation":[{"name":"Taipei Veterans General Hospital Taipei Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5381-7167","authenticated-orcid":false,"given":"Hsien\u2010Li 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