|Your students will learn the secrets behind shampoos: what
they're made of and how they work. They'll become informed
consumers as they perform a variety of tests on various shampoo
brands, which are included, to determine chemical and physical
properties such as pH, foam retention, relative viscosity and oil
Includes enough materials for a class size of 40 students.
Recommended for students in grades 7 through 10. Manufactured by