Retinol and Retin-A are essentially the same, except retinol is exclusively an over-the-counter solution. Both products are retinoids designed to promote skin cell rejuvenation, according to WebMD.
Full Definition of UNDERGRADUATE. : a student at a college or university who has not received a first and especially a bachelor's degree. â undergraduate adjective.See undergraduate defined for English-language learners. See undergraduate defined for kids.ull Definition of UNDERGRADUATE. : a student at a college or university who has not received a first and especially a bachelor's degree. â undergraduate adjective. See undergraduate defined for English-language learners.
Undergraduate education is the post-secondary education previous to the postgraduate education. It includes all the academic programs up to the level of a bachelor's degree. For example, in the United States an entry level university student is known as an undergraduate, while students of higher degrees are known as graduates.