Fast review mode: answers are shown by default so you can skim quickly. Hide them if you want to self-test.
There are thousands of products on the market to do with hygiene claiming all sorts of things - but water is the best cleanser of them all! However, we do like to smell nice and plain water has no smell so we use soaps, shampoos and shower gels with added scent.
Join 4M+ learners. Unlock unlimited quizzes, wrong-answer tracking, flashcards + reminders, study guides, and 1-on-1 challenges.