The only kit that can prevent or remove or relieve poison ivy, oak and sumac. Ivy Block lotion helps prevent poison Ivy, Oak and Sumac rash when applied before contact. bentoquatam 5%. Remove IvyCleanse 10 towelettes instantly removes the oils that cause the rash. Relieve IvySoothe, 1% Hydrocortisone Anti - itch cream relieves the itch. Kit contains 1- fl oz (120 ml) IvyBlock. 10 - 0.09 fl. oz (3 ml) IvyCleanse Towelettes. 1 - oz (28.4 g) IvySoothe Cream. FDA approved.