AMETEK Brookfield has detailed the use of its RVDV-II+Pro Viscometer in measuring the best shampoo viscosity for washing hair.
An Application Note published by the company documents three test methods for testing shampoo viscosity using the Viscometer, whilst maintaining the test temperature of 25°C in a Brookfield TC-502P Programmable Refrigerated Bath.
To download the application file from this website, just click on the link below.