Natural Essential Oils Blends are all about inhaling! For beginners who are new to essential oils and aromatherapy, best way to begin creating personal fragrances is by combining essential oils that you love from first inhale. Essential fragrance oils blended together for wonderful fragrances. Essential oils last much longer than perfumes with no chemicals or alcohol. A one half ounce blue glass roller ball container is concentrated, only a small dab is needed.