Editing Scar (section)

=== Laser treatment ===
Nonablative lasers, such as the 585&nbsp;nm [[pulsed dye laser]], 1064&nbsp;nm and 1320&nbsp;nm [[Nd:YAG]], or the 1540&nbsp;nm [[Er:glass laser|Er:Glass]] are used as laser therapy for hypertrophic scars and keloids.<ref name="pmid21061757">{{cite journal |vauthors=Elsaie ML, Choudhary S |title=Lasers for scars: A review and evidence-based appraisal |journal=Journal of Drugs in Dermatology |volume=9 |issue=11 |pages=1355–62 |date=November 2010 |pmid=21061757}}</ref> There is tentative evidence for burn scars that they improve the appearance.<ref>{{cite journal |last1=Willows |first1=B.M. |last2=Ilyas |first2=M. |last3=Sharma |first3=A. |title=Laser in the management of burn scars |journal=Burns |date=4 August 2017 |doi=10.1016/j.burns.2017.07.001 |pmid=28784339 |volume=43 |issue=7 |pages=1379–1389}}</ref><ref>{{cite journal |last1=Friedstat |first1=JS |last2=Hultman |first2=CS |title=Hypertrophic burn scar management: what does the evidence show? A systematic review of randomized controlled trials. |journal=Annals of Plastic Surgery |date=2014 |volume=72 |issue=6 |pages=S198–201 |doi=10.1097/SAP.0000000000000103 |pmid=24835874|s2cid=47573176 }}</ref>

Ablative lasers such as the [[carbon dioxide laser]] (CO{{sub|2}}) or [[Er:YAG]] offer the best results for atrophic and acne scars.<ref>{{cite journal |vauthors=Khatri KA, Mahoney DL, McCartney MJ |title=Laser scar revision: A review |journal=Journal of Cosmetic and Laser Therapy |volume=13 |issue=2 |pages=54–62 |date=April 2011 |pmid=21401378 |doi=10.3109/14764172.2011.564625|s2cid=11520661 }}</ref> Like [[dermabrasion]], ablative lasers work by removing the epidermis.<ref>{{Citation |last1=Verma |first1=Neil |title=Ablative Laser Resurfacing |date=2022 |url=http://www.ncbi.nlm.nih.gov/books/NBK557474/ |work=StatPearls |place=Treasure Island (FL) |publisher=StatPearls Publishing |pmid=32491406 |access-date=2022-07-21 |last2=Yumeen |first2=Sara |last3=Raggio |first3=Blake S.}}</ref><ref>{{Cite web |title=Laser resurfacing |url=https://www.mayoclinic.org/tests-procedures/laser-resurfacing/about/pac-20385114 |access-date=2022-07-21 |website=Mayo Clinic |language=en}}</ref> Healing times for ablative therapy are much longer and the risk profile is greater compared to nonablative therapy; however, nonablative therapy offers only minor improvements in cosmetic appearance of atrophic and acne scars.<ref name="pmid21061757"/>