About the Enchanted Midnight Weightless Oil The Regis DESIGNLINE Enchanted Midnight Weightless Oil acts as both a nourishing daily oil and style primer. It helps to care for color-treated hair while adding vibrancy, shine and a super-smooth finish. HOW TO USE Apply 1 or 2 drops through damp hair for a smooth, frizz-free look. Best for color treated hair. About DESIGNLINE by Regis Corp DESIGNLINE is a comprehensive line of professional haircare products created by Regis Corporation, a leader in the haircare industry. We wanted to bring our expert industry knowledge and passion for your style together to create a range of shampoos and conditioners, styling and finishing products that you can tailor to your needs. At Regis Salons, we're dedicated to bringing you the best in hair care. Alongside our other much-loved brands, we're bringing back our own line of expert styling and hair care products, DESIGNLINE. Our professional range of DESIGNLINE shampoos and conditioners will leave your hair looking and feeling great. It also features a variety of highly effective and color-safe styling and finishing products for all hair types.