I recommend Aveda Invati Advanced.

Containing ginseng and Sanghwang fermented energy Strengthen scalp vitality and The formula containing Amla ingredients makes the hair look thicker This is a handy product for creating a voluminous hairstyle. If you are worried about your hair staying flat like mine, hurry up and buy it. I highly recommend it. Not only does it remove waste that can clog pores Scalp vitality, and It instantly thickens your hair.