Corsican Helichrysum (Helichrysum italicum)
A rare Mediterranean single oil distilled from Helichrysum italicum flowers, prized in skincare for its honeyed, herbaceous aroma.
How to use it
2–3 drops is plenty — pair with lavender or rose for a soft blend.
Diluted in a carrier oil, a staple in complexion-focused skincare blends.
Safety in detail
- Max dermal use
- Dilute in a carrier oil for skin
- Phototoxic
- No
- A gentle, well-tolerated oil; dilute before topical use as usual.
- Not phototoxic. Keep out of reach of children.
Sources: PLOS ONE study (2022)
Composition & chemistry
Aggregated from 25 GC-MS samples across 10 peer-reviewed open-access studies (2019–2026). Figures are the distribution across those samples — median with interquartile range — not a single reading.
These figures represent Helichrysum italicum across the literature. Corsican Helichrysum is a specific origin or cultivar of that species, so its exact proportions can sit anywhere within these published ranges.
- Sesquiterpene hydrocarbon 56.2%
- Oxygenated monoterpene 19.2%
- Monoterpene hydrocarbon 12.2%
- Oxygenated sesquiterpene 9.2%
- Unclassified 2.7%
- Aliphatic / small aromatic 0.5%
| Constituent | Median | Typical range | Max | Detected in |
|---|---|---|---|---|
| γ-curcumene ↗ C15H22 | 14.6% | 14.1–15.5% | 20.2% | |
Loading evidence… | ||||
| neryl acetate ↗ C12H20O2 | 12.0% | 9.0–17.0% | 21.2% | |
Loading evidence… | ||||
| α-pinene ↗ C10H16 | 7.2% | 3.6–11.4% | 15.1% | |
Loading evidence… | ||||
| β-selinene ↗ C15H24 | 5.3% | 1.4–6.8% | 11.3% | |
Loading evidence… | ||||
| rosifoliol ↗ C15H26O | 5.1% | 1.7–7.4% | 7.4% | |
Loading evidence… | ||||
| ar-curcumene ↗ C15H22 | 4.7% | 1.6–8.3% | 10.4% | |
Loading evidence… | ||||
| α-selinene ↗ C15H24 | 4.6% | 2.3–6.7% | 7.3% | |
Loading evidence… | ||||
| β-caryophyllene ↗ C15H24 | 4.3% | 2.4–5.0% | 19.8% | |
Loading evidence… | ||||
| italicene ↗ C15H24 | 4.0% | 3.5–6.4% | 8.4% | |
Loading evidence… | ||||
| limonene ↗ C10H16 | 2.5% | 1.2–3.3% | 4.7% | |
Loading evidence… | ||||
| α-copaene ↗ C15H24 | 1.8% | 0.7–2.8% | 4.5% | |
Loading evidence… | ||||
| linalool ↗ C10H18O | 1.4% | 1.0–2.3% | 11.6% | |
Loading evidence… | ||||
+ 78 more compounds reported across the dataset.
10 peer-reviewed sources behind these figures
- Glumac M, Jažo Z, Paštar V, Golemac A, Čikeš Čulić V, Bektić S, Radan M, Carev I. (2023). Chemical Profiling and Bioactivity Assessment of Helichrysum italicum (Roth) G. Don. Essential Oil: Exploring Pure Compounds and Synergistic Combinations. Molecules (Basel, Switzerland).
- Zeremski T, Šovljanski O, Vukić V, Lončar B, Rat M, Perković Vukčević N, Aćimović M, Pezo L. (2024). Combination of Chromatographic Analysis and Chemometric Methods with Bioactivity Evaluation of the Antibacterial Properties of Helichrysum italicum Essential Oil. Antibiotics (Basel, Switzerland).
- Juliano C, Marchetti M, Campagna P, Usai M. (2019). Antimicrobial activity and chemical composition of essential oil from Helichrysum microphyllum Cambess. subsp. tyrrhenicum Bacch., Brullo & Giusso collected in South-West Sardinia. Saudi journal of biological sciences.
- Węglarz Z, Kosakowska O, Pióro-Jabrucka E, Przybył JL, Gniewosz M, Kraśniewska K, Szyndel MS, Costa R, Bączek KB. (2022). Antioxidant and Antibacterial Activity of Helichrysum italicum (Roth) G. Don. from Central Europe. Pharmaceuticals (Basel, Switzerland).
- Castagliuolo G, Sordillo A, Ramaminirina HJB, Di Girolamo D, Varcamonti M, Badalamenti N, Rakotonandrasana SR, Zanfardino A, Bruno M, Rasamison VE. (2026). Phytochemistry, Antimicrobial, and Antibiofilm Properties of Malagasy <i>Helichrysum manopappoides</i> Essential Oil. Plants (Basel, Switzerland).
- Malaspina P, Polito F, La Neve A, De Feo V, Cornara L, Trombetta D, Smeriglio A. (2026). Essential Oils from Pruning Residues of <i>Lavandula angustifolia</i> Mill. 'Essence Purple' and <i>Helichrysum italicum</i> (Roth) G.Don: Phytotoxic and Ecotoxicological Evaluation. Molecules (Basel, Switzerland).
- Balázs VL, Filep R, Répás F, Kerekes E, Szabó P, Kocsis B, Böszörményi A, Krisch J, Horváth G. (2022). Immortelle (Helichrysum italicum (Roth) G. Don) Essential Oil Showed Antibacterial and Biofilm Inhibitory Activity against Respiratory Tract Pathogens. Molecules (Basel, Switzerland).
- Kunc N, Frlan A, Baričevič D, Kočevar Glavač N, Kokalj Ladan M. (2022). Essential Oil and Hydrosol Composition of Immortelle (Helichrysumitalicum). Plants (Basel, Switzerland).
- Andjić M, Božin B, Draginić N, Kočović A, Jeremić JN, Tomović M, Milojević Šamanović A, Kladar N, Čapo I, Jakovljević V, Bradić JV. (2021). Formulation and Evaluation of Helichrysum italicum Essential Oil-Based Topical Formulations for Wound Healing in Diabetic Rats. Pharmaceuticals (Basel, Switzerland).
- Kramberger K, Barlič-Maganja D, Bandelj D, Baruca Arbeiter A, Peeters K, Miklavčič Višnjevec A, Jenko Pražnikar Z. (2020). HPLC-DAD-ESI-QTOF-MS Determination of Bioactive Compounds and Antioxidant Activity Comparison of the Hydroalcoholic and Water Extracts from Two Helichrysum italicum Species. Metabolites.
Every figure above traces to a named table in one of these open-access papers. How this was built →
- Neryl acetate — the major ester giving Corsican helichrysum its soft, honey-curry aroma; the focus of chemical and activity studies on the oil PLOS ONE study (2022)
Its papery yellow flowers keep their color long after cutting — hence the name everlasting flower.
What the research says
An honest read of the published research — what has actually been studied, at what stage. Not medical advice or a promise of results.
-
Corsican helichrysum's neryl acetate and related constituents have been studied for antioxidant and other activities in the laboratory. Its 'skin repair' reputation is popular and traditional, not established by strong clinical evidence.
PLOS ONE study (2022)
Evidence & sources
Peer-reviewed research on Corsican Helichrysum's chemistry and safety. These describe composition and documented effects — not health or treatment claims.
-
Corsican helichrysum is defined by neryl acetate as its major constituent, alongside curcumenes and the distinctive italidione diketones — the Corsican type being the most prized.
PLOS ONE study (2022)
Frequently asked questions
Why is Corsican helichrysum so prized?
Corsica is regarded as the benchmark origin for Helichrysum italicum, valued for a particularly fine, ester-rich oil. Combined with the plant's very low yield, that makes genuine Corsican helichrysum one of the most expensive essential oils. PLOS ONE study (2022)
Is it good for skin?
It's popular in skincare and generally gentle, but its 'skin repair' and bruise reputation is largely traditional. Enjoy it as a soothing addition to a diluted blend rather than a proven treatment. PLOS ONE study (2022)
Is Corsican helichrysum phototoxic?
No — it isn't phototoxic. Dilute it for skin use, but there's no sun-exposure restriction.
Gallery
The Plant
Helichrysum italicum grows wild across rocky, sun-exposed Mediterranean hillsides, with the Corsican variety specifically prized among perfumers and aromatherapists. Its common name, “immortelle” or “everlasting flower,” comes from a genuinely observable trait: the small yellow, papery flowers keep their color and shape for a remarkably long time even after being cut and dried, rather than wilting and browning the way most cut flowers do. Walk past a field of it in bloom and the honeyed scent is noticeable in the air before you even see the flowers — a plant whose fragrance precedes it.
Extraction and Aroma
The oil is steam-distilled from the flowering tops, and it takes an unusually large amount of plant material to yield a small quantity of oil, which is the real driver of helichrysum’s price — genuine scarcity, not a marketing story. The aroma is warm, honeyed, and slightly herbaceous, built around neryl acetate’s fruity-honeyed sweetness alongside italidiones, a group of diketone compounds found almost nowhere else in the plant world and largely responsible for helichrysum’s distinctive reputation among perfumers and formulators.
Traditional and Everyday Uses
In the diffuser, 2–3 drops is usually plenty — its aroma is concentrated enough that more quickly becomes overwhelming. It’s often paired with lavender or rose for a soft, skin-care-themed blend. Diluted in a carrier oil, helichrysum is a staple ingredient in premium skincare formulations aimed at supporting a smooth, even-looking complexion, and it’s been used this way in Mediterranean folk traditions long before the modern skincare industry adopted it.
Sourcing Note
True Helichrysum italicum, especially the Corsican variety, is harvested in genuinely limited quantities each season, which is why bottles of it tend to sit at the higher end of an oil collection’s price range.