HSA/FSA EligibleUrushiol.
Zanfel works by surrounding urushiol and bonding with it, enabling it to be rinsed away with water. Zanfel Dual Action Poison Ivy, Oak and Sumac Wash - 1 oz | CVS Zanfel offers relief at any stage of the reaction and often with only one wash. The rash will begin to subside within hours if the reaction is mild to moderate.