Soap bubble for its soaps in 1886 using a painting by John Everett Millais of a child playing with bubbles. The Chicago company Chemtoy began selling bubble solution in the 1940s, and bubble solution has been popular with children ever since. According to one industry estimate, retailers sell around 200 million bottles annually. A bubble is made of transparent water enclosing transparent air. However the soap film is as thin as the visible light wavelength, resulting in interferences. This creates iridescence which, together with the bubble's spherical shape and fragility, contributes to its magical effect on children and adults alike. Each colour
Pears (soap) developed immunity to the effects of breathing the alcohol-laden atmosphere in the building. The concave shape of the soap is formed by shrinkage while the soap is drying, and is not due to deliberate moulding. Bars of soap produced in the factory come in two sizes: 75 g and 125 g. Nowadays this soap comes in three colours: the classic amber, the green, and mint (blue colour). Each variety has a unique aroma. The soap now comes in two new sizes: 69 g and 119 g. Recent changes to quality of ingredients used in the manufacturing process (see "Changes to