A composition for augmenting soft tissue and drug delivery is provided. The composition includes an active ingredient, a carrier, and a cross-linking agent, wherein the carrier is cross-linked with the cross-linking agent and the active ingredient is combined with the cross-linked carrier into a combination having a therapeutic effect. Techniques are also provided for producing a composition for augmenting soft tissue. Also, techniques are provided for soft tissue augmentation. Additionally, techniques are also provided for delivering a composition.