In the video Robert Steinken, who is a hair stylist tells that choosing a hair color is a very important task. Firstly it is important to go to a professional stylist who knows the products well. There are a lot of hair products in the market and each has a different effect on the hair. In the salon the professional can show you a color chart and show little pieces of hair which were colored to compare with your present hair color. They can tell what will happen once the product is applied on your hair. If you do it yourself you will not be sure how the product will come out on you. So the best way is to go to a professional stylist and consult.