PURPOSE: To improve an administration velocity by increasing a dermal concentration of an ionically introduced active substance percutaneously administered by an ion-introducing method.CONSTITUTION: A composition capable of being used as a medicinal agent used as an ion-introducing administration and having effects for increasing dermal concentration of the active agent by adding (B) a vasoconstrictor in an amount for increasing the concentration in the skin preferably .alpha.-adrenaline- acting...

PURPOSE: To improve an administration velocity by increasing a dermal concentration of an ionically introduced active substance percutaneously administered by an ion-introducing method. CONSTITUTION: A composition capable of being used as a medicinal agent used as an ion-introducing administration and having effects for increasing dermal concentration of the active agent by adding (B) a vasoconstrictor in an amount for increasing the concentration in the skin preferably -adrenaline- acting agent...