In vitro and In vivo percutaneous absorption of 14C-octamethylcyclotetrasiloxane (14C-D4) and 14C-decamethylcyclopentasiloxane (14C-D5)

Overall, a low tendency to pass through the skin into systemic compartments was demonstrated for both D4 (⩽0.5% of applied dose) and D5 (<0.1% of applied dose).