<p>Microneedle-mediated transdermal delivery of phytoconstituents represents a sophisticated and emerging paradigm in dermatological therapeutics, bridging the pharmacological efficacy of plant-derived bioactive with the precision of advanced biomedical engineering. Conventional topical dosage forms are often constrained by the formidable barrier function of the <i>stratum corneum</i>, instability of phytochemicals, and suboptimal patient adherence. Microneedle arrays circumvent these limitations by creating transient microchannels that enable minimally invasive, painless, and controlled delivery of therapeutics into the viable epidermal and dermal layers. The bioactive compounds such as curcumin, resveratrol, asiaticoside, and glycyrrhizin exhibit multifaceted pharmacological activities, including anti-inflammatory, antioxidant, antimicrobial, and pro-regenerative effects, which are beneficial for the management of cutaneous pathologies such as psoriasis, eczema, acne vulgaris, and chronic ulcerations. The incorporation of these phytoconstituents into dissolving or hydrogel-forming microneedles enhances their physicochemical stability, facilitates sustained and localized drug release, and minimizes systemic exposure, thereby improving therapeutic efficacy and safety. The utilization of natural, biodegradable, and biocompatible polymers such as chitosan, hyaluronic acid, silk fibroin, and alginate, further augments the structural integrity and bioperformance of microneedle systems while aligning with eco-sustainable pharmaceutical design principles. This integrative strategy signifies a pivotal advancement toward personalized dermatological interventions, enabling precise dosing and targeted pharmacokinetics. The future research should emphasize material innovation, <i>in vivo</i> pharmacodynamic assessment, and large-scale translational studies to validate the clinical potential of phytoconstituent-loaded microneedles as next-generation bioresponsive platforms for skin therapeutics.</p> Graphical Abstract <p></p>

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Smart Stings of Nature: Harnessing Microneedles Assisted Targeted Phytoconstituent Delivery for Dermatological Disorders

  • Akshay Kumar,
  • Suresh Babu Kondaveeti,
  • Arpan Kumar Tripathi,
  • Mohit Agrawal,
  • Thakur Gurjeet Singh,
  • Devesh Kumar,
  • Mohit Kumar

摘要

Microneedle-mediated transdermal delivery of phytoconstituents represents a sophisticated and emerging paradigm in dermatological therapeutics, bridging the pharmacological efficacy of plant-derived bioactive with the precision of advanced biomedical engineering. Conventional topical dosage forms are often constrained by the formidable barrier function of the stratum corneum, instability of phytochemicals, and suboptimal patient adherence. Microneedle arrays circumvent these limitations by creating transient microchannels that enable minimally invasive, painless, and controlled delivery of therapeutics into the viable epidermal and dermal layers. The bioactive compounds such as curcumin, resveratrol, asiaticoside, and glycyrrhizin exhibit multifaceted pharmacological activities, including anti-inflammatory, antioxidant, antimicrobial, and pro-regenerative effects, which are beneficial for the management of cutaneous pathologies such as psoriasis, eczema, acne vulgaris, and chronic ulcerations. The incorporation of these phytoconstituents into dissolving or hydrogel-forming microneedles enhances their physicochemical stability, facilitates sustained and localized drug release, and minimizes systemic exposure, thereby improving therapeutic efficacy and safety. The utilization of natural, biodegradable, and biocompatible polymers such as chitosan, hyaluronic acid, silk fibroin, and alginate, further augments the structural integrity and bioperformance of microneedle systems while aligning with eco-sustainable pharmaceutical design principles. This integrative strategy signifies a pivotal advancement toward personalized dermatological interventions, enabling precise dosing and targeted pharmacokinetics. The future research should emphasize material innovation, in vivo pharmacodynamic assessment, and large-scale translational studies to validate the clinical potential of phytoconstituent-loaded microneedles as next-generation bioresponsive platforms for skin therapeutics.

Graphical Abstract