1 - start by reviewing stuff you already use and love
2 - make contact with PR reps or directly with the publicity contact for the companies who put out the products you're interested in reviewing (P.S. after a while, you'll start getting contact directly FROM reps who want YOU to feature their products)
The best piece of advice I can give you is to say that the more exposure you have and the more PR reps like your blogging and writing style, the better chance you have of getting contacted directly, and then the product review requests will start trickling in.
Ask any pregnant woman and she will tell you that now she’s expecting what once smelled delicious - like roasting coffee beans for example, has suddenly become the one smell that induces an overwhelming feeling of nausea. For some women the pregnant nose goes into smell overdrive…