John Allan's Thick Volumizing Shampoo is specially formulated to revitalize hair.
Feb 19, 2013
It's Just Okay.
I'm not too impressed with this shampoo. I thought it would make my hair feel thicker, but unfortunately it doesn't quite deliver on what it promises. Perhaps other people have had better luck, but to me it feels like most other shampoos. However, I do enjoy the grapefruit smell.