Journal
ANTIOXIDANTS
Volume 10, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/antiox10050670
Keywords
liposomes; hyalurosomes; keratinocytes; fibroblasts; skin diseases; viscosity; oxidative stress
Funding
- Sardinian region PON-RI 2014-2020 research and innovation programme
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The study demonstrated that vesicles prepared with neem oil, argan oil, and sodium hyaluronate can effectively protect the skin from oxidative stress and contribute to the treatment of skin lesions. Argan-liposomes were the smallest vesicles, while the addition of sodium hyaluronate improved the stability of vesicles.
Neem oil, a plant-derived product rich in bioactives, has been incorporated in liposomes and hyalurosomes modified by adding argan oil and so called argan-liposomes and argan-hyalurosomes. Argan oil has also been added to the vesicles because of its regenerative and protective effects on skin. In the light of this, vesicles were specifically tailored to protect the skin from oxidative stress and treat lesions. Argan-liposomes were the smallest vesicles (similar to 113 nm); the addition of sodium hyaluronate led to an increase in vesicle size (similar to 143 nm) but it significantly improved vesicle stability during storage. In vitro studies confirmed the free radical scavenging activity of formulations, irrespective of their composition. Moreover, rheological investigation confirmed the higher viscosity of argan-hyalurosomes, which avoid formulation leakage after application. In vitro studies performed by using the most representative cells of the skin (i.e., keratinocytes and fibroblasts) underlined the ability of vesicles, especially argan-liposomes and argan-hyalurosomes, to counteract oxidative stress induced in these cells by using hydrogen peroxide and to improve the proliferation and migration of cells ensuring the more rapid and even complete closure of the wound (scratch assay).
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