Designed to intensely moisturize without weighing tresses down, Luseta Biotin B-Complex Hair Mask, a densifying hair and scalp treatment that deeply nourishes locks and stimulates hair growth for a healthier, thicker, and fuller-looking mane. Blended with Biotin, Caffeine, and Niacin, which improves shine while giving hair a boost at the roots, lending fullness to flat locks.