Prerequisites for nursing school depend on the school, with baccalaureate programs requiring more courses, in general, than associate degree programs. Usual courses include three years of math, three years of science, including biology and chemistry, four years of English and two years of language.
Phthalates are a group of chemicals used in hundreds of products. The phthalate commonly used in fragrance products is diethyl phthalate, or DEP. DEP does not pose known risks for human health as it is currently used in cosmetics and fragrances. To learn more, see â Phthalates and Cosmetic Products .â.
Parfum / Perfume. Parfum-also called extract or extrait perfume-is the most concentrated or purest form of a fragrance product, and is the longest-lasting on the skin. As such, it is also the most expensive. A true parfum (perfume) will contain 15 percent or more (typically up to 30 percent) of the essential fragrance.