The present invention provides a method for producing artificial skin having sufficient strength and a natural and uniform color, which can be applied for a long time.The method for producing artificial skin composed of a gel having an interpenetrating network structure according to the present invention includes the following steps:(A) a step of forming a first network structure by polymerizing and crosslinking a (a1) first monomer；(B) a step of forming a second network structure in the first network structure by polymerizing a (b1) second monomer and optionally crosslinking after introducing the (b1) second monomer into the first network structure；wherein in the step (A), a powder and a thickener are contained in the polymerization solvent, and the content of (a1) the first monomer is 0.5 to 3 mol/L in the polymerization solvent.本發明係提供一種擬似皮膚的製造方法，該擬似皮膚具有充分的強度及自然且均勻的顏色而且可長時間貼附。本發明之擬似皮膚的製造方法，係製造由具有互穿網狀結構的凝膠所構成之擬似皮膚，該製造方法包括下列步驟：(A)使(a1)第一單體聚合並進行交聯而形成第一網狀結構之步驟；以及(B)於該第一網狀結構中導入(b1)第二單體後，使該(b1)第二單體聚合並視需要進行交聯而於前述第一網狀結構中形成第二網狀結構之步驟；其中，於前述步驟(A)中，聚合溶劑中含有粉末及增黏劑，(a1)第一單體的含量於聚合溶劑中為0.5至3mol/L。
