For other uses, see JFK (disambiguation). John Fitzgerald Kennedy (May 29, 1917 â November 22, 1963), also referred to as John F. Kennedy, JFK, John Kennedy or Jack Kennedy, was the 35th President of the United States. He served from 1961 until his assassination in 1963.
...but also (technically) no, because all bar soap must be made with lye. It is necessary for the integral chemical process that changes fat into soap. I won't get into the details of that reaction because that is not what you are asking, but suffice it to say that lye is a required ingredient when making solid soap.
Sulfur soap is a type of soap that contains sulfur, a naturally-occurring element found in volcanic areas throughout the world. It may also include ingredients such as salicylic acid, fragrance, or lye. It is often used as a treatment for a variety of skin conditions, but is most commonly used to reduce acne.