A gel composition and cosmetic composition and the like that can excel in pigment and/or filler uniformity and stability and can have a good outer appearance even when further comprising a relatively large amount of pigments. A gel composition is formed by combining at least one ingredient chosen from pigments and fillers, wherein the at least one ingredient has been surface-treated by at least one water-repellent oil-repellent agent, and at least one gelling agent comprising at least one polyacrylamide-based polymer.