Hask Biotin Boost Thickening Shampoo
Hask uses biotin and collagen to create a fuller look. The shampoo is designed to give your roots a lift, while the included caffeine stimulates your roots and perks up your locks.
What the Reviews Say: “My hair to me, seems to be/appear about 40% thicker and fuller,” a user shared. “I can tell the difference when I switch between this shampoo and Pantene Curl Care.”
Maple Holistics Biotin Hair Shampoo
Maple Holistics’ biotin shampoo is packed with ingredients to nourish your hair. Biotin, along with coconut oil and keratin, lock in moisture to pamper dry, damaged locks. It also has a nice sandalwood scent.
What the Reviews Say: “Out of the hair retention shampoo and conditioners, this one is probably my favorite. Love the smell and it’s by far the best quality I’ve used,” said a fan.