“…24 In a French controlled, randomized clinical trial, treatment of facial skin with low-salt spring water spray and petrolatum ointment after laser resurfacing resulted in decreased itching, stinging, erythema, and tightening than treatment with petrolatum alone over a period of 84 days. 25 The efficacy of scar hydration strategies in these human trials is supported in the rat model, where one study revealed that carbon dioxide laser burn wounds healed more quickly with composite polyurethane dressings (i.e., OpSite, Smith & Nephew, Hull, U.K.; Spandra, Thermetics, Inc., Woburn, Mass.) (10 days) and petrolatum gauze (13 days) than when they were left open to air (16 days).…”