| 摘要 |
PROBLEM TO BE SOLVED: To provide a powder detergent composition excellent in fouling coming-out from necks and sleeves, which consumers are heavily concerned about.SOLUTION: A powder detergent composition contains ≥10 mass% and ≤45 mass% of (a) an anionic surfactant, ≥0 mass% and ≤7 mass% of (b) a nonionic surfactant, ≥10 mass% and ≤30 mass% of (c) an alkaline metal carbonate salt, ≥10 mass% and ≤40 mass% of (d) an alkaline metal hydrogencarbonate salt, ≥0 mass% and ≤5 mass% of (e) a phosphate salt builder, and (f) a protease, wherein the mass ratio of (c)/(d) is ≥1/3 and ≤2/1; and the pH of a 0.5-mass% aqueous solution thereof at 25°C is ≥9 and ≤10.4. |
