It's as easy as 123; go to the site, read up on the products, and everything is disclosed to help you decide.
The pros and cons are displayed if you are looking for actual hair growth. There is no hype, and nothing is hidden; they give the good and the possible bad depending on your situation. You can make an educated, honest decision on hair growth products.
The shampoo and thickening agents are safe and a cut above the rest.