Davines offers deep treatments and styling products to combat dull, lifeless tresses. Winter’s fluctuating temperatures, harsh winds and dry air from heating can leave hair thirsty, brittle and prone to fly-aways. The company’s Nourishing Vegetarian Miracle ($19.50) is rich in keratin-building rice protein, ultra-moisturizing avocado and nourishing seaweed. The Nounou nourishing repairing mask ($21.50) is rich in emollient jojoba oil, the oil that most closely mimics the scalp’s natural oils, according to the company. After the nourishing treatment, Davines recommends the finishing touch with For Wizards No.1 Finest Oil Non Oil ($20.00). The non-greasy formula provides a light hold while also conditioning hair to protect from heat damage and calm frizz.