Elegant, Flexible Vesicular Nanocarriers for the Efficient Skin Delivery of
Topically Applied Drugs

Waleed      Albalawi; Surur      Alharbi; Fahad      Alanazi; Hameed      Alahmadi; Mothib      Alghamdi; Ghareb   M.   Soliman; Mohamed   A.   Safwat
doi:10.2174/1573413718666211230111538
Abstract

Background: Skin diseases represent a major health concern worldwide and negatively impact patients’ quality of life. Despite the availability of various efficacious drugs, their therapeutic outcome is often limited due to shortcomings related to the formidable skin barrier and unfavorable physicochemical properties of drugs. Flexible nano-vesicles have shown tremendous potential to overcome these hurdles and improve the local therapeutic effect of these drugs.
Objective: This review article is aimed to shed light on flexible nano-vesicular carriers as a means to combat skin diseases.
Methods: The literature was reviewed using PubMed database using various keywords such as liposomes, flexible (deformable liposomes) (transferosomes), ethosomes, transethosomes, niosomes, and spanlastics.
Results: Liposomes and niosomes were found effective for the loading and release of both hydrophilic and lipophilic drugs. However, their limited skin penetration led to drug delivery to the outermost layers of skin only. This necessitates the search for innovative vesicular carriers, including liposomes, flexible (deformable liposomes), ethosomes, transethosomes, and spanlastics. These flexible nano-vesicular carriers showed enhanced drug delivery and deposition across various skin layers, which was better than their corresponding conventional vesicles. This resulted in superior drug efficacy against various skin diseases such as skin cancer, inflammatory skin diseases, superficial fungal infections, etc.
Conclusion: Flexible nano-vesicular carriers have proven themselves as efficient drug delivery systems that are able to deliver their cargo into the deep skin layers and thus, improve the therapeutic outcome of various skin diseases. However, there remain some challenges that need to be addressed before these nanocarriers can be translated from the lab to clinics.
Keywords: Skin diseases, liposomes, flexible liposomes, ethosomes, transethosomes, spanlastics.
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Graphical Abstract

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DOI https://dx.doi.org/10.2174/1573413718666211230111538	Print ISSN 1573-4137
Publisher Name Bentham Science Publisher	Online ISSN 1875-6786
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