Hair oils and hair serums work as hair growth treatments for weakened hair trying to grow out. Long hair goals are typically about strengthening hair to avoid breakage and split ends in order to sustain growth over time. These longer hair treatments help infuse the fiber with the necessary nutrients to strengthen and prevent breakage. Hair serum can be a targeted scalp and hair treatment or can be used as a styling product that makes your hair smooth and adds shine. Hair oil is intended to nourish and improve your hair's health by delivering a high consistency of vitamins, minerals and fatty acids, also making hair shiny. The best hair oils and hair serums for long hair consist of targeted application to help with hair growth. Our collection of serums for the scalp and hair as well as daily, overnight and limited-edition hair oils are formulated to deliver results for all hair types seeking more length. Explore our hair care sets for longer hair and save 10% or take our hair quiz and find the perfect hair serums and hair oils for growing out your hair long.