Abstract
Managing patients with acne scars remains an important challenge, as scarring negatively affects psychosocial wellbeing. Hyaluronic acid (HA) cross-linked fillers have demonstrated good efficacy and tolerability for the correction of acne scars but are limited by their reduced biological activity and low concentrations. This study investigated the efficacy and safety on scars of a high-concentration (4.5%) HA-based filler with hybrid cooperative complexes (HCC) of high-molecular-weight and low-molecular-weight HA. Participants received treatment twice; the first was provided at baseline (T0) and the second after 4 weeks (T1). Data were collected at T1 and after 4 months (T2) by photographs and instrumental evaluation of the skin. The study population included 28 patients. Improvements in the mean Goodman and Baron grade were significant across time points T0 and T1 (12% improvement; p = .0002) and T0 and T2 (31% improvement; p < .0001). Instrumental evaluation of the skin surface demonstrated a 20% reduction in the average deepness of acne scars after 4 months (p < .0001). No serious adverse events were reported during the study procedure. Highly concentrated (4.5%) HCC appears to be an effective option for the correction of facial acne scars.
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Schedule a callMore From: Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]
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