Iron Legion Salvo Benefits Topical application Can be used for custom mixes with varying concentration Can be used for raw prohormone and/or non-prohormone Turns powder into a sustained time-released compound that enters the body in a transdermal way Predator Nutrition Salvo Review Salvo is the most advanced solution for topical application, containing potent topical skin-penetrating enhancers. In other words, you can mix any type of powder with Salvo & get a sustained time-release compound that will bypass the dermis & allow better absorption. This means that a higher amount of the active ingredients will be absorbed. By using Salvo, you can purchase supplements/prohormones in bulk powder & save yourself money in the long term. You then weight the required amount of the powder, mix it with Salvo & shake well. You need to leave it for a while, after which you can apply it & take advantage of this enhanced delivery matrix.