Bumble and Bumble Thickening Spray "It makes fine hair look like Texas hair," says Rodger Azadganian, owner of Seven salon in Seattle. New York City hairstylist Oscar James, who has worked with Ashanti, spritzes it on damp hair for "instant fullness."
The 14 Best Drugstore Hair-Thickening Products: PUMP UP THE VOLUME: Your amped-up hairstyle will never go flat when you use this flexible hold hairspray. Bed Head Full of It Volume Finishing Spray, $22.99; Ulta.com.
Organix thick & full biotin & collagen. I just bought all 3 of these the other day. You can buy them at Walmart. The shampoo and conditioner has no sulfates and smells amazing! The root boost spray (or the lotion one too) really thickens your hair which makes it tease really well. I'm super happy with this purchase! I'm hooked :)