Is Seresto Systemic?

Is Seresto Systemic? It is concluded that Seresto(®) is chemically compatible with solvents used in major spot-on formulations on the market and is dermally and systemically safe for adult dogs and cats when used concomitantly with Advocate(®) and Profender(®) spot-on formulations. Does Seresto go into bloodstream? Some absorb through the skin into the bloodstream and