Phytochemical-Loaded Nanotherapeutics in Cosmetic Surgery Wound Healing: A Narrative Review

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Abstract
Wound healing in cosmetological and aesthetic surgery extends beyond tissue closure to achieving rapid regeneration, minimal scarring, and restoration of functional skin architecture. However, conventional wound care strategies inadequately regulate the complex wound microenvironment required for optimal cosmetic outcomes, leading to prolonged healing times and suboptimal aesthetic results, which can negatively impact patient satisfaction and increase the risk of complications. Phytochemicals exhibit multifunctional bioactivities, such as antioxidant, anti-inflammatory, antimicrobial, and pro-regenerative effects, but their clinical translation faces obstacles due to poor solubility, stability, and bioavailability. Nanotechnology-based delivery systems have emerged as a critical enabling strategy to overcome these limitations. This narrative review provides an updated, mechanistically integrated synthesis of phytochemical-loaded nanotherapeutics, including polymeric nanoparticles, nanohydrogels, nanofibers, and lipid- and vesicle-based systems, with a specific focus on their roles in modulating key wound-healing pathways, such as inflammation resolution, angiogenesis, collagen remodelling, and re-epithelialization. Evidence from preclinical studies consistently demonstrates that nano-enabled phytochemicals enhance therapeutic efficacy, improve skin penetration, and contribute to superior cosmetic outcomes, particularly by reducing fibrosis and scar formation. However, critical gaps remain, including limited high-quality clinical evidence, a lack of standardized formulation design, variability in reported outcomes, and unresolved concerns regarding long-term safety and regulatory translation. Taken together, the key insight of this review is that phytochemical-loaded nanotherapeutics represent a promising but still transitional strategy, biologically compelling at the preclinical level yet clinically under-validated. Bridging this gap requires rigorously designed clinical trials, quantitative outcome reporting, and balanced regulatory frameworks. Advancing these areas will be essential to translate nano-enabled phytochemicals from experimental systems into reliable, evidence-based solutions for cosmetological wound management.
Funding Information
  • Office of the Permanent Secretary of the Ministry of Higher Education, Science, Research, and Innovation
  • Mae Fah Luang University
  • Chiang Mai University

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