AI Article Synopsis

  • The study focused on formulating a stable multiple emulsion (MNF) that incorporates niacinamide and ferulic acid, aiming to enhance skin permeation of these actives.
  • Both the compounds were tested for their antioxidant properties and the formulated emulsions were subjected to stability testing over three months, checking aspects like color, pH, and droplet size.
  • Results indicated that MNF is not only stable under various conditions but also effectively improves skin conditions by reducing melanin and sebum while increasing hydration and elasticity.

Article Abstract

Objective: Multiple emulsions have the ability to incorporate both lipophilic and hydrophilic actives in the same preparation and facilitate permeation of active ingredients through skin. The current study was aimed at formulating niacinamide/ferulic acid-loaded stable multiple emulsion (MNF) and its / characterization as a cosmeceutical product.

Methods: Both the compounds were evaluated for their radical scavenging potential by the DPPH method and FTIR analysis. Then, placebo and active formulations were prepared using a double emulsification method and were investigated for stability testing (changes in color, odor, and liquefaction on centrifugation, pH, and globule size) for a period of three months. Afterwards, MNF was investigated for sun protection factor, rheological studies, entrapment efficiency, zeta potential, zeta size, and permeation. Moreover, after ensuring the hypoallergenicity and safety, it was also checked for its cosmeceutical effects on human skin using noninvasive biophysical probes in comparison with placebo.

Results: Results demonstrated that MNF showed a non-Newtonian behavior rheologically and both MNF and placebo were stable at different storage conditions. Entrapment efficiency, zeta potential, and zeta size were 93.3%, -5.88 mV, and 0.173 m, respectively. Moreover, melanin, sebum, and skin erythema were significantly reduced while skin elasticity and hydration were improved.

Conclusion: It is evident that niacinamide and ferulic acid can be successfully incorporated in a stable multiple emulsion which has potent cosmeceutical effects on human skin.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8947885PMC
http://dx.doi.org/10.1155/2022/1725053DOI Listing

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