Claim: Natural shampoos are better than synthetic shampoos.
Research Question: Are natural shampoos better cleaners than synthetic shampoos based on the properties of surface tension, wetting time, solid content, detergency and foaming ability?
The ENTIRE collection of resources provided by the BBC Library can be searched on ONE single, powerful search platform, which retrieves print books, eBooks, database articles and websites. Click HERE for assistance.
Highly respected Science journal. Login with email: email@example.com. Use the little magnifying glass symbol in the top toolbar to search.