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) ingredients that were in Pears in concentrations greater than 0.01%. Benzyl benzoate, Cinnamal, Eugenol, Limonene and Linalool were included in the labelling because they are among the ingredients covered by Directive 2003/15/EC. It is therefore possible that they were components of the original formula, rather than newly added ingredients. In October 2009, the formula for the transparent amber soap was altered from the original to become 'Gentle Care' and wrapped in an inner cellophane covering. The new soap was slightly softer in texture and lasted half as long, but its most noticeable difference was its scent. The aroma of the