Salt Scrubs and Sugar Scrubs Learn how to formulate effective spa-quality scrubs. In this Scrub Making Class, understand the difference between salt scrubs and sugar scrubs and when one is preferred over the other for easily achieving safe and natural skin exfoliation. Learn how to add beneficial vitamins and learn why preservatives should be used in oil based products. For those opposed to oil based products, learn how to create oil-free scrubs. Students take home three types of scrubs. Attend in person or online. Prerequisite: None. Classroom hours: 4 hours, includes one 15-minute break. Class fee: $69. Materials fee: $21. The additional online fee only applies to online attendance and covers the expenses of camera operation and mailing materials. Online fee: $25 (6 days or more until class, includes First Class Mail) or $38 (5 days or fewer until class, includes Priority Mail Express overnight).