Additive-Mediated Stability Enhancement of Bakuchiol-Loaded Alginate Core–Shell Microcapsules Fabricated by Coaxial Electrospray
The enhanced stability of the PVP-containing formulations was attributed to hydrogen-bonding interactions that reinforced the polymer network, demonstrating an effective strategy for improving the long-term stability of oxidation-sensitive bioactive compounds in cosmetic and pharmaceutical encapsulation systems.