- This aromatherapeutic blend is specially formulated by our Certified Aromatherapists to increase mental clarity and concentration. * Focus Blend contains: Citrus bergamia (Bergamot), Citrus limon (Lemon), Rosemarinus officinalis (Rosemary), Pelargonium graveolens (Geranium), Mentha piperita (Peppermint), Salvia lavandulaefolia (Sage), Cedrus atlantica (Cedarwood), Ocimum basilicum (Basil), Litsea cubeba (Maychang). Aromatherapy uses essential oils from plants in order to promote healing and wellness in the body, as well as in the home. Essential oils are the concentrated extracts from plant materials like barks, roots, peels, and leaves, which constitute the very essence of the plant. Plants have been used for their healing properties for centuries, and essential oils are widely used in many different aspects of life today. rareESSENCE sources the finest quality essential oils available from around the world, working as closely with the plant farmers and distillers as possible. These oils are extensively tested by chemical analysis, gas chromatography and odor evaluation by an essential oils chemist. Each essential oil offered is pure, natural and undiluted (unless stated). Store essential oils in dark glass bottles, upright, at a steady temperature away from bright sunlight. Keep essential oils away from children and pets. Essential oils are flammable and may also corrode polished surfaces, rubber and plastic.