Reference

Aromatherapy

Essential oils are concentrated plant extracts, and a few drops can fill a room or irritate skin, so using them well comes down to knowing each oil. This section gathers that knowledge in one place: a profile for each of 47 common oils, with its botanical name, how it is made, how it smells, what it blends with and a conservative skin limit; blend recipes for sleep, focus, calm, a fresh home and the colder months; and guides to blending by note and to keeping pets safe. Every safety figure comes from a published reference, cited on the page. This is general information, not medical or veterinary advice.

Bunches of fresh lavender tied with pink and purple ribbons, laid side by side.

Guides

Essential oils

Essential oils in the reference
Oil Note Aroma Max on skin Sun
Balsam fir Abies balsamea Woody No published maximum No issue
Bergamot Citrus bergamia Citrus 0.4% Phototoxic
Black pepper Piper nigrum Spicy No published maximum No issue
Cardamom Elettaria cardamomum Spicy No published maximum No issue
Cedarwood (Virginian) Juniperus virginiana Woody No published maximum No issue
Cinnamon leaf Cinnamomum verum Spicy 0.6% No issue
Cistus Cistus ladanifer Resinous No published maximum No issue
Citronella Cymbopogon nardus, Cymbopogon winterianus Citrus 18.2% No issue
Clary sage Salvia sclarea Herbaceous No published maximum No issue
Clove bud Syzygium aromaticum Spicy 0.5% No issue
Coriander seed Coriandrum sativum Spicy No published maximum No issue
Cypress Cupressus sempervirens Woody No published maximum No issue
Eucalyptus Eucalyptus globulus Minty 20% No issue
Frankincense Boswellia carterii Resinous No published maximum No issue
Geranium Pelargonium graveolens Floral 6% No issue
Ginger Zingiber officinale Spicy No published maximum No issue
Grapefruit Citrus × paradisi Citrus 4% Phototoxic
Helichrysum Helichrysum italicum Herbaceous No published maximum No issue
Juniper berry Juniperus communis Woody No published maximum No issue
Lavender Lavandula angustifolia Floral No published maximum No issue
Lemon Citrus limon Citrus 2% Phototoxic
Lemon eucalyptus Corymbia citriodora Citrus No published maximum No issue
Lemongrass Cymbopogon flexuosus Citrus 0.15% No issue
Lime Citrus aurantifolia Citrus 0.7% Phototoxic
Mandarin Citrus reticulata Citrus No published maximum No issue
Manuka Leptospermum scoparium Woody No published maximum No issue
Neroli Citrus aurantium Floral No published maximum No issue
Niaouli Melaleuca quinquenervia Herbaceous No published maximum No issue
Nutmeg Myristica fragrans Spicy 0.8% No issue
Patchouli Pogostemon cablin Earthy No published maximum No issue
Peppermint Mentha × piperita Minty 5.4% No issue
Petitgrain Citrus aurantium var. amara Citrus No published maximum No issue
Ravintsara Cinnamomum camphora Minty No published maximum No issue
Roman chamomile Chamaemelum nobile Floral No published maximum No issue
Rose otto Rosa damascena Floral 0.6% No issue
Rosemary Salvia rosmarinus Herbaceous 16.5% No issue
Sandalwood Santalum album Woody 2% No issue
Scots pine Pinus sylvestris Woody No published maximum No issue
Spearmint Mentha spicata Minty 1.7% No issue
Sweet basil Ocimum basilicum Herbaceous 15% No issue
Sweet fennel Foeniculum vulgare Spicy 2.5% No issue
Sweet marjoram Origanum majorana Herbaceous No published maximum No issue
Sweet orange Citrus sinensis Citrus No published maximum No issue
Tea tree Melaleuca alternifolia Herbaceous 15% No issue
Turmeric Curcuma longa Spicy No published maximum No issue
Vetiver Chrysopogon zizanioides Earthy 15% No issue
Ylang-ylang Cananga odorata Floral 0.18% No issue

Oils A-Z

Blends