Spruce Eastern Hemlock Canada

Tsuga canadensis (L.) Carriere

Chemotype: bornyl acetate / alpha-pinene / camphene type

freshwoodyearthy

PLANT PART: needles and twigs
EXTRACTION: steam distillation
AROMA NOTE: top

Compare with another oil Check supplier bottles Find more oils

LEARN AS YOU COMPARE

What’s inside this oil?

Constituents are the natural chemicals that give an oil its character. See the main ones, learn what they do, and explore differences between batches.

I’m interested in

Meet the main constituents, then select one to see what makes it interesting.

Finding the matching oil reports…

FOLLOW YOUR SENSES

Aroma & character

A closer look at this oil's scent, strength, and staying power.

freshwoodyearthy

Aroma intensity: 60 / 100

Soft & subtleBold & expressive

Note layer: top

If you like this scent, explore

A LITTLE CARE GOES A LONG WAY

Using it thoughtfully

Read the full safety context before bringing this oil into your routine.

Cited dermal maximum · leave-on: 7%
Phototoxicity: Not flagged in this profile
Oxidation risk: medium

A cited maximum is a limit, not a suggested dilution. Missing restrictions do not establish safety.

No phototoxic restriction was identified in the reviewed eastern hemlock sources.

Contraindications & cautions

moderateAromaWeb's safety summary for hemlock advises against using old and oxidized oil.

Read the complete safety guide

Explore measured chemistry from supplier batches

A supplier report describes a particular sample. Open this workspace to investigate measured constituents and their original documents.

THE SCIENCE BEHIND THE SCENT

Inside the oil

8 constituents

An oil's character comes from its natural chemical composition. Explore each constituent to understand the connections.

About this composition

This Canada-specific eastern hemlock record is anchored to a public NHR COA/GC for organic hemlock spruce from Canada. The lot is bornyl-acetate rich with strong alpha-pinene and camphene support, matching public hemlock descriptions that place the oil in the fresh conifer family with meaningful ester content.

Constituent	Typical amount	Reported range	Chemical family	Source
Bornyl acetate	30.19%	30.19–30.19%	monoterpene ester	View source Certificate of Analysis & Gas Chromatography Organic Hemlock Spruce Essential Oil (Tsuga canadensis) https://www.nhrorganicoils.com/uploads/certs/Hemlock%20Spruce%20CofA%20GC%20050923-2.pdf (Bornyl Acetate 30.19%)
alpha-Pinene	21.44%	21.44–21.44%	monoterpene hydrocarbon	View source Certificate of Analysis & Gas Chromatography Organic Hemlock Spruce Essential Oil (Tsuga canadensis) https://www.nhrorganicoils.com/uploads/certs/Hemlock%20Spruce%20CofA%20GC%20050923-2.pdf (Alpha-pinene 21.44%)
Camphene	15.34%	15.34–15.34%	monoterpene hydrocarbon	View source Certificate of Analysis & Gas Chromatography Organic Hemlock Spruce Essential Oil (Tsuga canadensis) https://www.nhrorganicoils.com/uploads/certs/Hemlock%20Spruce%20CofA%20GC%20050923-2.pdf (Camphene 15.34%)
Limonene	3.77%	3.77–3.77%	monoterpene hydrocarbon	View source Certificate of Analysis & Gas Chromatography Organic Hemlock Spruce Essential Oil (Tsuga canadensis) https://www.nhrorganicoils.com/uploads/certs/Hemlock%20Spruce%20CofA%20GC%20050923-2.pdf (Limonene 3.77%)
beta-Pinene	2.55%	2.55–2.55%	monoterpene hydrocarbon	View source Certificate of Analysis & Gas Chromatography Organic Hemlock Spruce Essential Oil (Tsuga canadensis) https://www.nhrorganicoils.com/uploads/certs/Hemlock%20Spruce%20CofA%20GC%20050923-2.pdf (Beta-pinene 2.55%)
Piperitone	1.59%	1.59–1.59%	monoterpene ketone	View source Certificate of Analysis & Gas Chromatography Organic Hemlock Spruce Essential Oil (Tsuga canadensis) https://www.nhrorganicoils.com/uploads/certs/Hemlock%20Spruce%20CofA%20GC%20050923-2.pdf (Piperitone 1.59%)
alpha-Humulene	1.34%	1.34–1.34%	sesquiterpene hydrocarbon	View source Certificate of Analysis & Gas Chromatography Organic Hemlock Spruce Essential Oil (Tsuga canadensis) https://www.nhrorganicoils.com/uploads/certs/Hemlock%20Spruce%20CofA%20GC%20050923-2.pdf (Alpha-humulene 1.34%)
beta-Caryophyllene	1.11%	1.11–1.11%	sesquiterpene hydrocarbon	View source Certificate of Analysis & Gas Chromatography Organic Hemlock Spruce Essential Oil (Tsuga canadensis) https://www.nhrorganicoils.com/uploads/certs/Hemlock%20Spruce%20CofA%20GC%20050923-2.pdf (Beta-caryophyllene 1.11%)

Profile source: Certificate of Analysis & Gas Chromatography Organic Hemlock Spruce Essential Oil (Tsuga canadensis); IFRA 50 Conformity Certificate Organic Hemlock Spruce Essential Oil (Tsuga canadensis); Hemlock Essential Oil: Benefits, Uses & Insights · https://www.nhrorganicoils.com/uploads/certs/Hemlock%20Spruce%20CofA%20GC%20050923-2.pdf ; https://www.nhrorganicoils.com/uploads/20230908131121e_Hemlock_Spruce_IFRA_51.pdf ; https://www.aromaweb.com/essential-oils/hemlock-spruce-essential-oil.php

A TRADITION OF BOTANICAL CURIOSITY

Traditional & reported uses

These uses reflect the profile's reported traditions and literature. They are not established treatment recommendations.

traditionally used in aromatherapy to support respiratory comfort, similar to other conifer oils
reported to support an uplifted, grounded mood when diffused
used in massage blends for muscular comfort after activity
traditionally associated with a fresh, forest-like, restorative atmosphere
used in perfumery for its green, resinous, coniferous facet

Explore related intentionsUplift & Mood ↗

For aromatherapy and wellness use only — not medical advice. Effect statements are traditional/reported associations, not treatment claims. The Synergy Rating scores blend craft, harmony and safety, not medical efficacy. Read the safety framework.

What we're still learning · 3 data gaps

Good decisions start with knowing what is — and isn't — in the evidence.

The oil-level `max_dermal_pct` is anchored to the public IFRA certificate's Category 5A body-lotion maximum of 7%, not to a directly readable whole-body aromatherapy monograph.
Odor intensity 60 is an archive normalization of AromaWeb's qualitative 'Medium' initial aroma for eastern hemlock.
No public source reviewed in this pass published direct volatility-rate or tenacity-hour values for eastern hemlock essential oil.