Evaluation of the protective efficacy against acids, alkalis or solvents on in vitro 3D human epidermis, paired with evaluation of the protection against pro-inflammatory substances.
Quantification by HPLC of the amount of caffeine permeating the skin barrier of in vitro 3D skin in Franz’s cells, compared to the total titer of the same substance in the applied product.
Quantification by HPLC of the amount of testosterone permeating the skin barrier of in vitro 3D skin in Franz’s cells, compared to the total titer of the same substance in the applied product.
Quantification by HPLC of the amount of an active ingredient permeating the skin barrier of artificial or in vitro 3D skin in Franz’s cells, compared to the total titer of the same substance in the applied product.