It definitely is. In this modern day world, social media such as Facebook has been a huge part of almost every person's life. In fact, research shows that the number of users now hit the 1.65 billion mark, and that a person spends an average of 50 minutes on Facebook each day! Come to think of it, if you want more audience to market or sell your product, where else would you go?
With Facebook, you can create an album labeled with each one of your products, and you can post and share this for as long as you want. Hence, people will easily notice it. If in case you are trying to develop your own name or brand, you can link your profile to a page that's specifically intended for your products.