Soap bubble into college years. A Swiss university professor, Dr. Natalie Hartzell, has theorized that usage of artificial bubbles for entertainment purposes of young children has shown a positive effect in the region of the child's brain that controls motor skills and is responsible for coordination with children exposed to bubbles at a young age showing measurably better motion skills than those who were not. Soap bubbles have been used as entertainment for at least 400 years, as evidenced by 17th-century Flemish paintings showing children blowing bubbles with clay pipes. The London-based firm A. & F. Pears created a famous advertising campaign
Pears (soap) breaks down to an addition of artificial colouring and substances whose hypothetical function is either as detergents (i.e., cleaning substances) or stabilisers (i.e., product longevity enhancers). However, even the pre-2009 formula was a far cry from the original one. The latter was completely free of industrial cleaners, free of synthetic colours and (apparently) free of synthetic odorants, whose place was occupied by natural herbal fragrances. However, one unknown in the original formula is the "Pears fragrance essence": because of it, the customer cannot be certain whether the "new" fragrant compounds are indeed all new—or simply formerly unlisted items. During production