CONSTITUENT REPORT
Terpinolene
Terpinolene is a monoterpene hydrocarbon found in tea tree, cypress, distilled lime, hemp, yuzu, and other conifer or citrus-adjacent oils in the AromaForge archive. The public evidence base is strongest for identity, fragrance-safety assessment, and a small but useful preclinical literature around antioxidant, inflammation-related, wound-healing-related, and sedative animal work. Human clinical evidence specific to isolated terpinolene was not verified here, so it should be described as a chemically well-defined aroma constituent with early-stage bioactivity data rather than established therapeutic use.
Chemical identity and composition
PubChem identifies terpinolene as CID 11463 with formula C10H16 and IUPAC name 1-methyl-4-propan-2-ylidenecyclohexene. The archive already contains an alpha_terpinolene record, but the broader literature and safety-review naming convention is simply terpinolene, so this exact-ID file keeps the common non-prefixed naming while preserving the same CAS and identity.
Aroma and practical use
- Use the recorded pine-like, fresh, resinous, herbal, slightly citrusy, resin, herbaceous descriptors to explore a blend's scent character; perceived strength also depends on the other ingredients.
- Compare the recorded goal signals with the intended purpose, while keeping model assumptions separate from observed study outcomes.
- Review the flagged use concerns across every contributing oil and the selected dilution.
- Read the route, preparation and experimental context before using a study finding to choose an oil.
Reported benefits and effects
Findings retain their study context. An animal or laboratory result describes that experiment.
A 2005 Phytomedicine paper reported that terpinolene effectively delayed copper-induced oxidation of both lipid and protein LDL fractions in a human-plasma-derived model.
A 2005 Phytomedicine paper reported that terpinolene effectively delayed copper-induced oxidation of both lipid and protein LDL fractions in a human-plasma-derived model.
This experimental finding does not establish benefit, dose or safety in people using this blend.
A 2019 Journal of Tissue Viability study found that terpinolene increased fibroblast migration and proliferation in vitro and reduced IL-6, TNF-alpha, nitric oxide, superoxide, and NF-kB-related inflammatory signals.
A 2019 Journal of Tissue Viability study found that terpinolene increased fibroblast migration and proliferation in vitro and reduced IL-6, TNF-alpha, nitric oxide, superoxide, and NF-kB-related inflammatory signals.
This experimental finding does not establish benefit, dose or safety in people using this blend.
A 2013 mouse inhalation study reported a sedative effect for inhaled terpinolene and concluded that the effect still occurred after nasal absorption in olfactory-impaired mice.
A 2013 mouse inhalation study reported a sedative effect for inhaled terpinolene and concluded that the effect still occurred after nasal absorption in olfactory-impaired mice.
This experimental finding does not establish benefit, dose or safety in people using this blend.
How it contributes to goal calculations
Model markers guide the formulation score. They are separate from the source findings above.
Use concerns and concentration limits
Sensitization concernFlagged
Flagged in the constituent reference; assess the source, route and finished-product concentration.
Phototoxicity concernNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
Oxidation concernFlagged
Flagged in the constituent reference; assess the source, route and finished-product concentration.
Penetration enhancementNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
No numeric constituent-specific use limit is available here. Missing is not an unrestricted-use clearance.
A 2022 RIFM fragrance safety assessment concluded that terpinolene was not genotoxic, was not expected to be phototoxic or photoallergenic, and did not raise a skin-sensitization concern under evaluated fragrance-use conditions.
The source assessment applies to its specified exposure and preparation; this entry is not an unrestricted-use clearance.
No direct public citation is attached to this entry.
No constituent-specific human clinical tolerability or therapeutic-dose studies were verified in this pass.
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
No direct public citation is attached to this entry.
Constituents it may interact with
These are research candidates recorded in the interaction matrix. They do not add a proven-amplification bonus to the score.
Terpinen-4-olAmplification candidate
Candidate in the research matrix. A coefficient alone does not establish amplification at the dose, route or goal of your blend; no proven amplification is inferred from this row.
in vitro · effect
No source citation attached.
Read Terpinen-4-ol report →alpha-ThujeneAmplification candidate
Candidate in the research matrix. A coefficient alone does not establish amplification at the dose, route or goal of your blend; no proven amplification is inferred from this row.
in vitro mechanistic · antioxidant
No source citation attached.
Read alpha-Thujene report →trans-alpha-BergamoteneAmplification candidate
Candidate in the research matrix. A coefficient alone does not establish amplification at the dose, route or goal of your blend; no proven amplification is inferred from this row.
analytical · whole_oil
No source citation attached.
Read trans-alpha-Bergamotene report →How the effects were investigated
delayed_ldl_oxidation
In an LDL oxidation model, terpinolene delayed copper-induced oxidation of lipid and protein fractions, with the authors linking the effect to slower oxidation of intrinsic carotenoids.
This experimental finding does not establish benefit, dose or safety in people using this blend.
suppressed_nf_kb_and_proinflammatory_outputs
A wound-healing-related cell study reported lower IL-6, TNF-alpha, nitric oxide, superoxide-anion production, and NF-kB activity after terpinolene exposure.
This experimental finding does not establish benefit, dose or safety in people using this blend.
What this report cannot establish
- A reported constituent percentage does not establish an effective human therapeutic dose or the amount absorbed into the body.
- The presence of a constituent does not guarantee a clinical benefit, rash treatment or sleep improvement from a custom blend.
- An unflagged concern or missing use limit does not establish safety for ingestion, inhalation, skin exposure or a particular person.
- A candidate constituent interaction does not establish that two oils amplify one another at the selected proportions.
- Constituent descriptors alone do not establish a precise top, heart or base lifetime in a finished blend.
Known data gaps (6)
- No human clinical trials specific to isolated terpinolene were verified in this pass.
- The constituent-specific efficacy literature remains small and mostly preclinical.
- Public safety framing is materially stronger for fragrance exposure than for concentrated oral or experimental pharmacology use.
- No constituent-specific numeric dermal reference is available here.
- Some findings do not record an explicit exposure route; consult the linked study before applying them to a use.
- Interaction candidates lack an attached source citation and remain unqualified.