Thank you everyone for the feedback so far ^_^
Here's some reasons why I haven't showed my face and why I am considering showing my face:
I don't really want to explain reviewing sex toys to a future employer and acquaintances. Also talking to my family, they would prefer for me not to show my face for the above reason and for safety (the stalker potentiality).
The picture I am thinking of using it not what I look like day-to-day (from a photo shoot) and my close friends and family already know I review. Also I plan on blogging elsewhere and showing my face via that blog.