Yes, and some medications are specific for absorption thru the skin, such as nitro-bid ointment . Also some meds have a warning for the med to not be handled by preg. women, because they are absorbed...
There are certain plants which contain alkaloids which can be absorbed through the skin, such as for instance the Datura plant contains scoplamine which can absorb through the skin. As for something...
Yes, but only a small amount. In tests using freebase material, only a little over 1% of a 5 gram dose was absorbed. However, this is enough for a positive result in a low level urine drug test. This...