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J Drugs Dermatol. 2018 Apr 1;17(4):442-450.

Prospective, Randomized, Investigator-Blinded, Split-Face Evaluation of a Topical Crosslinked Hyaluronic Acid Serum for Post-Procedural Improvement of Skin Quality and Biomechanical Attributes.

Abstract

BACKGROUND:

This split-face, controlled study investigated the ability of a topical crosslinked hyaluronic acid formulation (RHA serum) to enhance clinical results from fillers, microneedling, or chemical peeling of aging skin. Previous comparative skin explant studies demonstrated greater efficacy of RHA serum than topical non-crosslinked high or low molecular weight hyaluronic acid in decreasing trans-epidermal water loss, increasing epidermal hydration, and improving corneocyte microstructure.

METHODS:

24 female subjects aged 35 to 55 were enrolled. 8 received intradermal hyaluronic acid filler injection, 8 received microneedling, and 8 received superficial mandelic acid chemical peeling. Subjects initiated twice-daily, standardized application of RHA serum to one side of the face 2 days after the procedure. Topographical imaging, bioinstrumental, and blinded clinical evaluations were performed at days 0, 14, and 28.

RESULTS:

Areas treated with RHA serum showed statistically significant improvements in skin surface topography and hydration compared to untreated areas. Blinded investigator scoring showed greater improvement of RHA serum-treated skin in moisture, tone/complexion, radiance, texture, uniformity, and global appearance. Subjects' questionnaire responses correlated with these findings. Subjects expressed greater satisfaction with appearance of the treated hemiface. No adverse events were observed during the study.

CONCLUSIONS:

When initiated post-procedurally, topical RHA serum was well-tolerated and enhanced biomechanical properties, quality, and clinical appearance of the skin. Based on these data, RHA serum may be of value in improving patient outcomes and satisfaction following minimally invasive aesthetic procedures. The availability of the same hyaluronic acid technology also as a cohesive, tissue-integrating injectable filler enables synergistic, multi-level treatment plans to be devised. <p><em>J Drugs Dermatol. 2018;17(4):442-450.</em></p>.

PMID:
29601621

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