Proganix Volume Soy Protein Amplify Gel 4oz Tube (2 Pack) volumizing High performance extracts up to 200x more potent than their raw natural state. A high-performance blend of volume building soy protein combined with energizing caffeine, perfected in the salon to add luscious body and volume while infusing every strand with lift, life and shine. Not tested on animals. Proganix Volume Amplify Gel Soy Protein.