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
Name-letter effect than attractiveness. They suggest it may be useful to use not just initials but all name letters for measuring implicit self-esteem, something which Hoorens says is her most important recommendation. The Letter Preference Task has been used to measure implicit self-esteem in contexts as diverse as depression, physical health, social acceptance, unrealistic optimism, feedback sensitivity, self-regulation, and defensiveness. Researchers have looked for wider implications of the name-letter effect on preferences, both inside and outside the lab. In controlled studies in the lab, Hodson and Olson tried to find evidence of people liking everyday things (e.g. foods, animals) that matched their