When your hair needs a boost of hydration, this intense oil treatment has you covered. Instantly smoothes and adds shine while smoothing frizz thanks to a blend of moisturizing and nourishing oils, such as argan oil and tsubaki. Tame your flyaways and leave your hair with a silky, shiny finish. This essential part of your hair care regimen also uses vitamin E to protect against heat-related breakage, free radicals, and UV damage. How to use: Apply a small amount of oil between palms and work into dry hair from mid-lengths to ends.