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Black Hemlock or Tsuga

WOODS AND MOSSES  /  woody · warm · balsamic
Black Hemlock or Tsuga
Black Hemlock or Tsuga perfume ingredient
CategoryWOODS AND MOSSES
Subcategorywoody · warm · balsamic
Origin
VolatilityBase Note
BotanicalTsuga canadensis
AppearancePale yellow to amber viscous liquid
Odor StrengthMedium
Producing CountriesCanada, United States
PyramidBase

Dark, resinous, and quietly balsamic. Hemlock in perfumery means the conifer (Tsuga), not the poison: a gentle, green-resinous evergreen note like a damp forest in early morning.

  1. Scent
  2. Terroir & Origins
  3. The Full Story
  4. Fun Fact
  5. Extraction & Chemistry
  6. In Perfumery

Scent

Soft, green-balsamic-resinous without the sharpness of pine or the sweetness of fir. Quietly coniferous, almost understated. A damp, shaded quality from the tree's habitat preferences. Less turpentine-like than spruce, less camphoraceous than eucalyptus. The overall impression is of patience: a slow-growing tree in deep shade.

Evolution over time

Immediately

Immediately

Soft green-balsamic, gentle resinous
After a few hours

After a few hours

Damp forest shade, quiet conifer depth
After a few days

After a few days

Persistent soft balsamic-woody base

Terroir & Maturity

Indicative 2025 wholesale prices.

The Full Story

Black hemlock or Tsuga (Tsuga canadensis, eastern hemlock) is a slow-growing conifer native to eastern North America. The tree has no relation to poison hemlock (Conium maculatum), a completely different plant. Tsuga produces a gentle, balsamic-resinous essential oil from its needles and twigs.

The oil is softer and less aggressive than spruce, pine, or fir oils. It has a quiet, green-balsamic character with a subtle sweetness and a slightly damp quality. The tree's preference for cool, shaded, north-facing slopes gives its scent a forest-shade character: moist, cool, contemplative.

In perfumery, hemlock (Tsuga) provides a natural heart-to-base note in forest, coniferous, and meditative compositions. Its gentleness distinguishes it from more assertive conifers. The note works in compositions evoking old-growth forests, quiet shade, and temperate-forest contemplation.

This note in Première Peau. Nuit Elastique · Albâtre Sépia. Sample all seven extraits in the Discovery Set.

Did You Know?

Did you know?
Eastern hemlock can live for over 800 years and was the dominant tree in many Appalachian forests for millennia. Since 2003, the hemlock woolly adelgid (an invasive insect from Asia) has been killing hemlocks throughout eastern North America, fundamentally altering forest ecosystems from Georgia to Maine.

Extraction & Chemistry

Extraction method: Steam distillation of the needles and small twigs. The oil yield is moderate. Eastern hemlock (T. canadensis) is the primary commercial source, produced in the northeastern United States and southeastern Canada.

↑ See Terroir & Origins for origin-specific methods.

Molecular FormulaN/A — complex essential oil (major: bornyl acetate C₁₂H₂₀O₂, α-pinene C₁₀H₁₆)
CAS Number8008-10-4
Botanical NameTsuga canadensis
IFRA StatusNo known restrictions
SynonymsEASTERN HEMLOCK · CANADIAN HEMLOCK
Physical Properties
Odor StrengthMedium
AppearancePale yellow to amber viscous liquid
Specific Gravity0.905 to 0.930 @ 25 °C
Refractive Index1.465 to 1.480 @ 20 °C

In Perfumery

Tsuga (hemlock) oil is a heart-to-base note in forest, coniferous, and meditative compositions. Its gentle, balsamic-resinous character provides quiet coniferous depth without aggression. Distinguished from pine, spruce, and fir by its softness and shade-forest quality. Works alongside moss, earth, and gentle green materials in old-growth forest compositions.

From the raw to the worn

This is what it becomes.