Serenity in Life. Essential Oil Therapy Collection 3 blends created in a roller ball application which makes them ideal when at home or out and about. The essential oils in this pack have been diluted with 100% natural oils and are completely save to use. Travel. A balancing blend of orange, basil, bergamot and lavender to calm and relax and assist in the fight on bacteria and infection. Sleep Well. A calming blend of lavender, palmarosa and lavandin to promote relaxation and restful sleep after a hectic day. High Energy. An energising blend of grapefruit, mandarin and lime to boost the mood and create a feeling of joy and happiness. 3 x 10ml