Find your reference and the numbers will show you the way. Styling should be easy. And finding the right product for your hair should be even easier. The result is REF - the salon formula product line with the three numbers. A complete haircare and styling line for both professionals and consumers. REF shows the identity of the product in a plain and simple way - with distinct numbers. Which hold? Which shine? Which volume? Just find your reference. And the numbers will show you the way.