Marseille's Remedy Marseille's Oil Blend - A powerful blend of pure essential oils made using the traditional recipe. There are many applications for this oil blend mainly as an anti-viral, anti-bacterial, anti-fungal remedy. Helps to clear phlegm and airways, eliminate airborne pathogens and foul odours, deter mites, lice, worms and fleas, prevent oral fungal infections and more. Marseille's Oil Blend can be used in the same manner as oregano and tea tree oil.