Elastatropin® (tropoelastin) is the body’s natural precursor to elastin, the elastic proteins that keep your skin tight and youthful. Elastatropin® is water-soluble elastin precursor that is able to be effectively absorbed into the skin, where it is recognized by the body and incorporated back into the skin as elastin. Elastatropin® is a proprietary material developed by the founder of DermaLastyl™.