Cleaning or hydrophilizing agent composition

A hydrophilizing agent composition comprising (A) an anionic surfactant (hereinafter referred to as component (A)), (B) a nonionic surfactant (hereinafter referred to as component (B)) and water,

• wherein the composition comprises
• (A1) an internal olefin sulfonate salt (hereinafter referred to as component (A1)) as the component (A), and
• (B1) a nonionic surfactant having a hydrocarbon group with 8 or more and 22 or less carbons (hereinafter referred to as component (B1)) as the component (B),
• wherein the component (B1) is one or more nonionic surfactants selected from the group consisting of (B1-1-2) a nonionic surfactant having a branched hydrocarbon group with 8 or more and 22 or less carbons [hereinafter referred to as component (B1-1-2)], (B1-2) a nonionic surfactant having a linear hydrocarbon group with 11 or more and 22 or less carbons, (B1-3) a nonionic surfactant represented by the following general formula (b4), and (B1-5) a polyoxyalkylene glycerol fatty acid ester,
• R7—O—[(EO)n4(BO)n5]—R8 (b4)
• wherein R7 is a hydrocarbon group with 8 or more and 22 or less carbons;
• R8 is a hydrogen atom or a methyl group;
• EO group is an ethyleneoxy group;
• n4 is an average number of added moles and a number selected from the numbers 3 or more and 30 or less;
• BO group is a butyleneoxy group;
• n5 is an average number of added moles and a number selected from the numbers 1 or more and 15 or less;
• and EO and BO may be a random polymer or a block polymer;
• and
• wherein a total content of component (A1) and component (B1) is 2.5 mass % to 20 mass %.