A composition comprising an alloplastic injectable suspension for use as a dermal filler comprising a biocompatible and pliable material and a physiologically acceptable suspending agent comprising particles of the unsubstituted acrylate/substituted acrylate copolymer with a diameter of less than about 100μ. Methods for making a composition comprising an alloplastic injectable suspension for use as a dermal filler are provided. Methods of augmenting soft tissue to provide long-term reduction of a skin defect and the stimulation of collagen production are also provided.