Re: Anti humectants. In the soapmaking industry and according to my skin, Castor Oil is a Humectant-meaning it draws moisture and retains it in the skin and hair. Silicone, not positive, since I never use it in soap. I believe though it just coats hair to give the appearance of being shiny and healthy.
He thought independence would be disastrous.   The other delegate who did not sign was Robert R. Livingston of New York, but not because he refused to sign. He had voted for adoption of the Declaration but was recalled to New York before the delegates signed the official copy on August 2, 1776.
Jefferson was the primary author of the Declaration of Independence. At age 33, he was one of the youngest delegates to the Second Continental Congress beginning in 1775 at the outbreak of the American Revolutionary War, where a formal declaration of independence from Britain was overwhelmingly favored.