MY DNA Serum smoothes hair, while controlling frizz and adds a glossy radiant shine. BENEFITS . Nourishes, softens and boosts shine . Hydrates the hair shaft. . Seals in moisture. . Helps protect against weather damage. . Moisturizes the scalp. . Concentrated and easy to use. DIRECTIONS: Dispense a small amount of MY DNA Serum into the palms of your hands and apply evenly from roots to ends. For extra smoothing and straightening benefits, apply before blow drying, flat ironing or final styling tool.