A carrier oil is a type of oil that is used to dilute essential oils before applying them to the skin or using them for other purposes. It helps to spread the essential oil and helps protect the skin from any potential irritation. Full definition
Mix 5 - 10 drops of essential oils per ounce of carrier oil and you'll have your own sunscreen mix! (mindbodygreen.com)
Fill the jar with your favorite carrier oil and several drops of essential oil. (it-takes-time.com)
You can substitute another liquid carrier oil of your choice, however the sweet, nutty smell of sweet almond really adds to the sugar cookie vibe. (wellnessmama.com)