药剂师
角质层
纳米技术
皮肤护理
皮肤老化
计算机科学
材料科学
皮肤病科
生物医学工程
化学
医学
病理
有机化学
作者
Maeliosa McCrudden,Emma McAlister,Aaron J. Courtenay,Patricia González-Vázquez,Thakur Raghu Raj Singh,Ryan F. Donnelly
摘要
Abstract Microneedles ( MN s) are micron‐sized, minimally invasive devices that breach the outermost layer of the skin, the stratum corneum ( SC ) , creating transient, aqueous pores in the skin and facilitating the transport of therapeutic molecules into the epidermis. Following many years of extensive research in the area of MN ‐mediated trans‐ and intra‐dermal drug delivery, MN s are now being exploited in the cosmeceutical industry as a means of disrupting skin cell architecture, inducing elastin and collagen expression and deposition. They are also being used as vehicles to deliver cosmeceutic molecules across the skin, in addition to their use in combinatorial treatments with topical agents or light sources. This review explores the chronology of microneedling methodologies, which has led to the emergence of MN devices, now extensively used in cosmeceutical applications. Recent developments in therapeutic molecule and peptide delivery to the skin via MN platforms are addressed and some commercially available MN devices are described. Important safety and regulatory considerations relating to MN usage are addressed, as are studies relating to public perception of MN , as these will undoubtedly influence the acceptance of MN products as they progress towards commercialisation.
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