Thicker, fuller, healthier hair—made easy and delicious.Force Factor Hair Growth Soft Chews are packed with clinically proven Lustriva™, a supercharged biotin + silicon formula that increases hair thickness in as little as 3 weeks. With hair-nourishing antioxidants, collagen-boosting vitamins, and a sweet, fruity flavor, these individually wrapped chews are the easiest way to support stronger, healthier hair—anytime, anywhere.