What's a good unisex shampoo & condition that's very good for volume and is natural?

I need to buy a good unisex shampoo %26amp; conditioner that is natural and makes your hair feel and look thicker and also increases volume.What's a good unisex shampoo %26amp; condition that's very good for volume and is natural?
Dove Shampoo - it makes my curls full and silky. People always hug me and then say, ';Wow, your hair smells amazing!'; I'm sure there's a volumizing brand.What's a good unisex shampoo %26amp; condition that's very good for volume and is natural?
Head %26amp; Shoulders.