A lamellar gel phase-including composition comprising (a) a first nonionic surfactant, (b) a second nonionic surfactant having an HLB of from 7 to 15, and (c) water, wherein: the first nonionic surfactant is represented by the following chemical formula: in which R 1 is a C 16-24 linear acyl group or linear alkyl group, R 2 is a C 2-4 alkylene group, R 3 is a C 16-24 linear acyl group or linear alkyl group, and k represents an integer from 4 to 15; the second nonionic surfactant is at least one selected from the group consisting of compounds represented by the following chemical formulas to: in which R 6, R 10 and R 14 are each a C 2-4 alkylene group, R 7, R 11 and R 15 are each a C 8-12 alkylene group, R 8, R 12 and R 16 are each a C 4-8 alkyl group, R 9, R 13 and R 17 are each a polymer of 12-hydroxystearic acid or polymer of an alkylene polyol, m, n and o are each a natural number, and the sum of m, n and o is from 10 to 60; in which R 18 is a C 16-24 linear acyl group or linear alkyl group, R 19 and R 20 are each a C 2-4 alkylene group, p and q are each a natural number, and the sum of p and q is from 5 to 20; and in which R 21, R 22, R 23 and R 25 are each a C 2-4 alkylene group, r, s, t and u are each a natural number, the sum of r, s, t and u is from 5 to 30, and R 24 is a C 16-24 linear acyl group or linear alkyl group; the first nonionic surfactant, the second nonionic surfactant and the water constitute at least a portion of the lamellar gel phase; and a content by percentage of aliphatic alcohols having at least 16 carbon atoms or fatty acids having at least 16 carbon atoms is 1% by mass or less relative to the mass of the composition. the first nonionic surfactant is represented by the following chemical formula: in which R 1 is a C 16-24 linear acyl group or linear alkyl group, R 2 is a C 2-4 alkylene group, R 3 is a C 16-24 linear acyl group or linear alkyl group, and k represents an integer from 4 to 15; the second nonionic surfactant is at least one selected from the group consisting of compounds represented by the following chemical formulas to: in which R 6, R 10 and R 14 are each a C 2-4 alkylene group, R 7, R 11 and R 15 are each a C 8-12 alkylene group, R 8, R 12 and R 16 are each a C 4-8 alkyl group, R 9, R 13 and R 17 are each a polymer of 12-hydroxystearic acid or polymer of an alkylene polyol, m, n and o are each a natural number, and the sum of m, n and o is from 10 to 60; in which R 18 is a C 16-24 linear acyl group or linear alkyl group, R 19 and R 20 are each a C 2-4 alkylene group, p and q are each a natural number, and the sum of p and q is from 5 to 20; and in which R 21, R 22, R 23 and R 25 are each a C 2-4 alkylene group, r, s, t and u are each a natural number, the sum of r, s, t and u is from 5 to 30, and R 24 is a C 16-24 linear acyl group or linear alkyl group; in which R 6, R 10 and R 14 are each a C 2-4 alkylene group, R 7, R 11 and R 15 are each a C 8-12 alkylene group, R 8, R 12 and R 16 are each a C 4-8 alkyl group, R 9, R 13 and R 17 are each a polymer of 12-hydroxystearic acid or polymer of an alkylene polyol, m, n and o are each a natural number, and the sum of m, n and o is from 10 to 60; in which R 18 is a C 16-24 linear acyl group or linear alkyl group, R 19 and R 20 are each a C 2-4 alkylene group, p and q are each a natural number, and the sum of p and q is from 5 to 20; and in which R 21, R 22, R 23 and R 25 are each a C 2-4 alkylene group, r, s, t and u are each a natural number, the sum of r, s, t and u is from 5 to 30, and R 24 is a C 16-24 linear acyl group or linear alkyl group; the first nonionic surfactant, the second nonionic surfactant and the water constitute at least a portion of the lamellar gel phase; and a content by percentage of aliphatic alcohols having at least 16 carbon atoms or fatty acids having at least 16 carbon atoms is 1% by mass or less relative to the mass of the composition.