Fueled by the product mark up, which is akin to the profits on dealing illicit drugs, beauty is one of the most competitive markets in the world. Not only are there a million brands to choose from, each brand has countless products, making hair care product choices a bit of a minefield. The confusion is at its worst with shampoos and conditioners. Needed by everyone, marketers have spliced the market into subcategories in an effort to be your point of difference. If you’ve every wandered the aisle and wondered which shampoos and conditioners are best for you, cut through the cloud with our at-a-glance chart in the notes.