Lamellar compounds intercalated with anions with solar protection function: A review

Layered double hydroxides (LDHs), which are two-dimensionally organized structures, are known as anionic clays. LDHs present great properties such as excellent biocompatibility and stability. Besides that, it can harbor several molecules in their interlayer region. The benefits of this technology ap...

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Bibliographic Details
Published in:Journal of drug delivery science and technology 2020-10, Vol.59, p.101869, Article 101869
Main Authors: Franco, Julia Gomes, Ataide, Janaína Artem, Ferreira, Alexandre Hamilton Pereira, Mazzola, Priscila Gava
Format: Article
Language:English
Subjects:
Layered double hydroxide
Photoprotection
Photostability
Phototoxicity
UVB/A
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Summary:Layered double hydroxides (LDHs), which are two-dimensionally organized structures, are known as anionic clays. LDHs present great properties such as excellent biocompatibility and stability. Besides that, it can harbor several molecules in their interlayer region. The benefits of this technology applied to photoprotective molecules, are presented and discussed. LDHs, when applied to sunscreens, can protect the skin against UVA and UVB radiation. On the other hand, application of some photoprotective molecules has limited use due to reported cases of toxicity and skin irritation. The structure of LDHs have the ability of absorbing ultraviolet rays and promotes a photoprotective effect on its own. Also, they act as stabilizers of photoprotective molecules and prevent direct contact of these molecules with the skin. [Display omitted] •Layered double hydroxide (LDH) are being widely studied due to its benefits.•Photoprotective molecules protects the skin, but some present toxicity issues.•The combination of LDH and photoprotective molecules increase their UV performance.•A decrease of toxicity issues of photoprotective molecules has also been seen.•These observed advantages have led to several studies gathered in this article.
ISSN:1773-2247
DOI:10.1016/j.jddst.2020.101869