- Vitro-SkinTM (IMS Inc.) is a synthetic skin substrate that must be
used following a specific hydration procedure. Published data
indicate that Vitro-Skin gives very good performances for
sunscreen tests [17]. Nonetheless, the use of this material
presents some disadvantages, notably a relatively high cost per
sample, the need to hydrate the substrate starting the day before
the test and short lifetime of the hydrated sample. Both hydrated
and not hydrated samples have been characterized in order to
assess possible differences