Study summary · research use only
A Supramolecular System of Bioactive Ionic Liquid, Peony Extract, and Peptide for Enhanced Permeability and Synergistic Skincare Benefits
Plain-language summary
Paraphrased from the published abstract below — not a verdict on whether anything works.
This study, conducted in vitro and in zebrafish, developed a system combining peony extract (PE) and acetyl hexapeptide-8 (AHP8) with a bioactive ionic liquid derived from betaine and malic acid ([Bet][MA]) as a permeation enhancer, targeting static and dynamic wrinkles and skin dullness. The abstract reports that [Bet][MA] increased transdermal and cellular penetration of AHP8 in the in vitro and zebrafish experiments, and was associated with anti-aging effects. Theoretical calculations indicated [Bet][MA] altered electron cloud distribution and molecular polarity of AHP8 and PE, affecting their affinity to target proteins. The combined system showed radical- and reactive-oxygen-species-scavenging activity, collagen production, and tissue repair activity in the models tested, while inhibiting tyrosinase activity, motion signaling, and inflammation markers.
Abstract
The growing demand for safe and sustainable cosmetics has led to a marked inclination toward natural extracts and peptides as raw materials. In this study, we developed a sustainable system with multiple antiaging effects by combining peony extract (PE) and acetyl hexapeptide-8 (AHP8) to simultaneously treat static and dynamic wrinkles, as well as skin dullness. As the poor skin permeability of AHP8 limited its efficacy, we used a bioactive ionic liquid derived from betaine and malic acid (MA) ([Bet][MA]) as a permeation enhancer. In vitro and in vivo zebrafish experiments indicated that [Bet][MA] not only significantly enhances transdermal and cellular penetration, but also exerts synergistic anti-aging effects. While being biosafe, [Bet][MA] significantly increased the transdermal permeation, skin retention, and cellular uptake of AHP8. Theoretical calculations revealed that [Bet][MA] improved the anti-wrinkle and whitening efficacies of AHP8 and PE through supramolecular interactions; it modulated their electron cloud distribution and molecular polarity and thus intensified their affinity to target proteins. The supramolecular PE/AHP8/[Bet][MA] system demonstrated excellent radical- and reactive oxygen species-scavenging capability, collagen production, and tissue repair capability while concurrently inhibiting tyrosinase activity, motion signaling, and inflammation. The study findings pave the way for sustainable and multifunctional skincare solutions.
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