A-to-Z List of Essential Oils with a Cool Aroma:

Angelica Root

(Angelica archangelica)

Aroma Description: Cool, Exotic, Fresh, Rich, Peppery, Woody, Rich Earthy, and Herbaceous with peppery top notes and clean spicy, musky back notes.
Aniseseed Myrtle

(Syzygium anisatum)

Aroma Description: Strongly smelling of both aniseed and licorice, cool, herbaceous, soft, sweet, warm
Birch (sweet)

(Betula lenta)

Aroma Description: Astringent, Cool, Fresh, Minty, Slightly sweet, Strong
Buddha Wood

(Eremophila mitchellii)

Aroma Description: Deep, woody aroma, lightly sweet, and faintly smoky
Cajeput

(Melaleuca cajuputi)

Aroma Description: Cajeput Essential Oil smells fresh and campherous with a slightly fruity characteristic.
Cape Snowbush

(Eriocephalus racemosus)

Aroma Description: Astringent, Cool, Fresh, Green, Herbaceous, Slightly camphoraceous, Slightly spicy
Chamomile, Cape

(Eriocephalus punctulatus)

Aroma Description: Cool, Earthy, Floral, Rich, Slightly sweet, Soft, Warm
Corkbark (Subalpine) Fir

(Abies lasiocarpa)

Aroma Description: Balsamic, Coniferous, Cool, Fresh, Strong, Woody
Cornmint

(Mentha arvensis)

Aroma Description: Cornmint Essential Oil smells very minty and menthol-like in aroma. Depending on the source and level of dementholization, it can have a much more potent aroma than Peppermint Oil.
Elderflower

(Sambucus nigra)

Aroma Description: Cool, Exotic, Floral, Fresh, Slightly sweet, Soft
Engelmann Spruce

(Picea engelmannii)

Aroma Description: Coniferous, Cool, Fresh, Piney, Slightly camphoraceous, Woody
Eucalyptus dives, Mint

(Eucalyptus dives)

Aroma Description: Camphoraceous, Cool, Fresh, Minty, Slightly sweet
Eucalyptus masala

(Eucalyptus camaldulensis)

Aroma Description: Camphoraceous, Cool, Fresh, Slightly sweet, Soft
Eucalyptus staigeriana

(Eucalyptus staigeriana)

Aroma Description: Citrus, Cool, Fresh, Lemony, Soft
Grapefruit

(Citrus × aurantium)

Aroma Description: Citrusy. The aroma is tangy like grapefruit, but yet is sweet. It is reminiscent to the aroma of the grapefruit rind, but more concentrated.
Helichrysum Gymnocephalum

(Helichrysum gymnocephalum)

Aroma Description: Astringent, Camphoraceous, Cool, Fresh, Medicinal, Strong
Helichrysum patulum

(Helichrysum patulum)

Aroma Description: Cool, Earthy, Green, Herbaceous, Slightly sweet, Soft
Helichrysum splendidum

(Helichrysum splendidum)

Aroma Description: Balsamic, Cool, Earthy, Fresh, Slightly camphoraceous, Soft
Himalayan Soti

(Cymbopogon flexuosus)

Aroma Description: Cool, Earthy, Exotic, Fresh, Green, Slightly musky, Slightly sweet
Ho Wood

(Cinnamomum camphora)

Aroma Description: Ho Wood Essential Oil smells sweet, fresh and woody, with subtle floral notes. The aroma possesses similarity to that of Rosewood Essential Oil.
Hyssop, 1,8 cineole

(Hyssopus officinalis subsp. aristatus)

Aroma Description: Camphoraceous, Cool, Medicinal, Strong
Kapoor Kacheri

(Hedychium spicatum)

Aroma Description: Balsamic, Bitter, Camphoraceous, Cool, Earthy, Fresh, Resinous, Woody
Khella

(Visnaga daucoides)

Aroma Description: Cool, Earthy, Fresh, Slightly sweet, Soft
Lilac

(Syringa vulgaris)

Aroma Description: Cool, Earthy, Exotic, Floral, Fresh, Rich, Sensual, Slightly sweet, Soft
Mandarin

(Citrus reticulata)

Aroma Description: Mandarin Essential Oil smells sweet and citrusy.
Muhuhu (African Sandalwood)

(Brachylaena huillensis)

Aroma Description: Balsamic, Cool, Earthy, Rich, Sensual, Slightly musky, Soft, Woody
Peppermint - English

(Mentha X Piperita)

Aroma Description: Camphoraceous, Cool, Fresh, Minty, Soft, Strong
Rabbitbrush

(Ericameria nauseosa)

Aroma Description: Astringent, Coniferous, Cool, Earthy, Exotic, Herbaceous, Pungent, Slightly bitter, Woody
Rosemary

(Salvia rosmarinus)

Aroma Description: Fresh, herbaceous, sweet, and slightly medicinal
Sagebrush, Big

(Artemisia tridentata)

Aroma Description: Camphoraceous, Cool, Earthy, Fresh, Herbaceous, Strong
Sandalwood - New Caledonia

(Santalum austrocaledonicum)

Aroma Description: Balsamic, Cool, Earthy, Rich, Sweet, Warm, Woody
Saro

(Cinnamosma fragrans)

Aroma Description: Saro Essential Oil smells camphorous and is with a slight lemony/fruity note.
Spanish Sage

(Salvia officinalis subsp. gallica)

Aroma Description: Spanish Sage Essential Oil smells herbaceous, camphorous and possesses a subtle lavender-like characteristic.
Thuja (White Cedar)

(Thuja occidentalis)

Aroma Description: Camphoraceous, Coniferous, Cool, Earthy, Fresh, Slightly musky
Thyme

(Thymus vulgaris)

Aroma Description: Cool, fresh, lemony, slightly citrus, slightly floral, soft, herbaceous and slightly medicinal
Thyme, Benchmark

(Thymus zygis)

Aroma Description: Astringent, Cool, Fresh, Herbaceous, Medicinal, Soft
White Fir

(Abies concolor)

Aroma Description: Balsamic, Coniferous, Cool, Fresh, Resinous, Woody
Wild Tansy

(Tanacetum vulgare)

Aroma Description: Camphoraceous, Cool, Medicinal, Strong
Wintergreen

(Gaultheria fragrantissima)

Aroma Description: Crisp, fresh, woody and sweet. It possesses a birch-like aroma.

Coniferous

Earthy