TREND: The undercut explained

A great way to work a very graphic point of difference into any haircut is to take a small (or large) area and shave it. Undercuts can vary from quite long and softened for a more feminine feel, or very short and shaved for a strong statement. Either way they are 90s revival in full form and as you all know I am totally in support of that. 

Here are a few samples of undercuts I love, hopefully it inspires: