Welcome to Day 16 of the 30 Days to Become a Better Cosmetic Chemist series

This 30 day challenge is all about giving you lessons and basic exercises that will improve your abilities as a cosmetic chemist. 

Get your copy of the Become a Better Cosmetic Chemist workbook
In this episode
On today's program we're going to talk about the types of tests you need to do on your cosmetic formulas before you start marketing and selling it.

In this episode you'll find:

The four types of tests you must run
Different kinds of microbial tests and what they do
More information about stability and safety testing
The reason you need to do performance and claims testing

 Today's Challenge
Choose either one of your own products or a competitor's product and make a list of all the tests that should have been done prior to launch.

Useful resources: Drugstore.com or Ulta.com

Example: TRESemme Platinum Strength Strengthening Shampoo

Required tests - Stability testing, microbial challenge tests, claims testing