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Background/Aim
The scope of this study was to utilize confocal Raman spectroscopy in the evaluation of the degree of non‐penetration into the viable skin layers of a paraffin and petrolatum‐based product for use in the intimate areas of the skin. The formulation was purposely designed with properties to prevent undesirable skin penetration.
Methods
Product—The test product was a proprietary topical...
Background
The rheological properties of dermal drug delivery systems are of importance when designing new formulations. Viscosity not only affects features such as spreadability and skin feel, but may also affect the skin penetration of incorporated actives. Data on the latter aspect are controversial. Our objective was to elucidate the relation between viscosity and drug delivery performance of...
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