Similar to 石鹸

6

7

8

9

13 (number)

19 (number)

40 (number)

70 (number)

1,000,000

Cleanser

Laundry detergent

Detergent

Soap scum

Citric acid/potassium-sodium citrate

10th century

11th century

12th century

13th century

14th century

15th century

16th century

17th century

Liberal Revolution of 1820

18th century

1912 Summer Olympics

1914

1917

1920 Summer Olympics