That looks like a big leak with the amount of oil still clinging to your fingers there uncle... Glad you could sort it, I think the problem is that most mechanics don't clean up good enough and then the new sealant doesn't stick as good..
But as long as it's sorted right!
RE: Correcting an oil spill from the valve cover gasket in "Tucson Hyundai" // Corrigiendo un derrame de aceite por la empacadura del tapa-válvula en "Tucson Hyundai" (ENG-ESP)