Carbolic soap days, he renewed the pad and discovered that no infection had developed, and after a total of six weeks he was amazed to discover that the boy's bones had fused back together, without the danger of suppuration. In 1894, William Lever, 1st Viscount Leverhulme introduced the first mass-produced carbolic soap to the market, Lifebuoy. One of the distinctive features of this soap is its deep pink to red color, which is caused by the carbolic acid. Carbolic acid is used in a wide range of industrial and consumer product applications and can be a skin irritant. Some people who use
San (letter) San (letter) San (Ϻ) was an archaic letter of the Greek alphabet. Its shape was similar to modern M, or ϡ, or to a modern Greek Sigma (Σ) turned sideways, and it was used as an alternative to Sigma to denote the sound . Unlike Sigma, whose position in the alphabet is between Rho and Tau, San appeared between Pi and Qoppa in alphabetic order. In addition to denoting this separate archaic character, the name "San" was also used as an alternative name to denote the standard letter Sigma. The existence of the two competing letters Sigma and San is