Abstract
Background: Ablative fractional carbon dioxide laser (AFCO2) resurfacing causes transient skin barrier disruption characterized by decreased skin hydration and increased transepidermal water loss (TEWL). Snail Soothing and Repairing (SSR) cream, containing several glycoproteins with potential antimicrobial and antioxidant effects, may benefit skin hydration promotion after the laser treatment. Objective: To evaluate the efficacy and safety of SSR cream in skin hydration promotion after AFCO2 resurfacing. Method: The study was a double-blinded, split-face, placebo-controlled trial in participants aged 18–50 years with atrophic acne scars on both cheeks. After AFCO2 resurfacing, participants applied the product or placebo on either cheek twice daily for 14 days. Corneometry, TEWL, colorimetry, and clinical assessments (edema, erythema, crusting, pruritus, and tightness score) were evaluated at baseline, day 7, and day 14 after AFCO2 resurfacing. Results: From 22 participants in the study, the SSR cream-treated sides showed significantly higher corneometry levels than placebo-treated sides at day 14 (p = 0.033), while TEWL and colorimetry levels were not different at any study visits. Pruritus and tightness scores of the SSR side were lower, but not significant, than the placebo. Other clinical assessments (edema, erythema, and crusting) showed similar results. No significant adverse events took place. Conclusion: The SSR cream significantly improved skin hydration, highlighting skin barrier restoration after AFCO2 resurfacing, with a good safety profile.
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