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Fragrance allergens › Farnesol

Farnesol

Farnesol (CAS 4602-84-0) is one of the fragrance allergens the European Union requires to be named on a label once it passes a threshold. It is rarely something you added on purpose: 76 materials in this catalog carry it as a constituent, which is how a formula ends up over the line without a single line item admitting to it.

How much Farnesol can go in a perfume (IFRA limit)

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What Farnesol smells like

Delicate, waxy linden-muguet sesquiterpene alcohol with a mild green-floral, slightly balsamic petal character; natural in rose, jasmine and tuberose. Quiet fixative that prolongs floral hearts and doubles as a deodorizing agent.

It is a material in its own right, not only a line on a label: its catalog page carries the full profile.

Farnesol itself

Olfactive family
Floral
Volatility band
Base
Impact
3 of 10
Origin
Synthetic
IFRA, Category 4
1.2% of the finished product

Where Farnesol comes from on a shelf

56 of the 77 carriers in this catalog are naturals and 21 are synthetic. The heaviest carrier that is not the molecule itself is Australian sandalwood Essential Oil, at about 8.0%.

Which materials carry Farnesol

MaterialEstimated content
Farnesol the material itself 100%
Australian sandalwood Essential Oil 8.0%
Linden Blossom Absolute 8.0%
Ambrette Seed Absolute 6.0%
Ambrette Seed Essential Oil 5.0%
Dreamwood 5.0%
Sandalwood absolute 4.0%
Sandalwood Essential Oil East Indian 4.0%
Dreamwood Base 3.8%
Cassie Absolute 3.0%
New Caledonian sandalwood Essential Oil 3.0%
Acacia (F-TEC) 2.0%
Frangipani (F-TEC) 2.0%
Frangipani Absolute 2.0%
Rose de Mai Absolute (Rosa centifolia) 2.0%
Sandalwood East African 2.0%
Sandalwood Essential Oil Australian album 2.0%
Tuberose Absolute 2.0%
Ylang Ylang Absolute 2.0%
Orange Flower Tunisia CO2 Extract 1.6%
Rose Absolute (Rosa damascena) 1.5%
Rose Absolute Morocco (Rosa centifolia) 1.5%
Ylang Ylang Complete Essential Oil 1.3%
Rose Absolute India (Rosa damascena, Kannauj) 1.2%
Rose Absolute Turkey (Rosa damascena) 1.2%
Jasmine Sambac Absolute 1.0%
Neroli Essential Oil 1.0%
Neroli Oil Egypt 1.0%
Orange Blossom Absolute 1.0%
Orange Flower (F-TEC) 1.0%
Palmarosa Essential Oil 1.0%
Rosa alba Absolute (White Rose) 1.0%
Rose CO2 Extract (Rosa damascena, select) 1.0%
Rose Concrete (Rosa damascena) 1.0%
Rose de Mai Concrete (Rosa centifolia) 1.0%
Rose Otto (Rosa damascena) 1.0%
Rose Otto Iran (Rosa damascena, Kashan) 1.0%
Rose Otto Taif (Rosa damascena trigintipetala, Saudi) 1.0%
Rose Otto Turkey (Rosa damascena, Isparta) 1.0%
Tiare Absolute (Gardenia taitensis) 1.0%
Tuberose Concrete 1.0%
White Rose Otto (Rosa alba) 1.0%
Ylang Ylang Essential Oil 1.0%
Ylang Ylang Essential Oil Extra 1.0%
Ylang Ylang Essential Oil First 1.0%
Ylang Ylang Essential Oil III 1.0%
Ylang Ylang Essential Oil Second 1.0%
Jasmine Sambac Absolute China 0.80%
Rosa rugosa Absolute (China) 0.80%
Lotus Storm 0.57%
Sambac (Jasmine) Heart, Natural 0.55%
Chinotto Essential Oil 0.50%
Davana Essential Oil 0.50%
Jasmine Auriculatum Absolute 0.50%
Jasmine Grandiflorum Absolute 0.50%
Jasmine Grandiflorum Absolute India 0.50%
Jasmine Sambac Concrete 0.50%
Lemongrass Essential Oil 0.50%
Orange Flower Concrete 0.50%
Orange Flower Water Absolute 0.50%
Jasmine Grandiflorum Concrete 0.30%
Neroli (F-TEC) 0.30%
Sandalwood Oliffac 0712 0.16%
Sinensal Essential Oil 0.10%
Whisky CO2 0.04%
Cedar Atlas Heart, Natural 0.03%
Peru Balsam Oliffac 0912 0.02%
Myrrh Absolute 50% TEC 0.02%
Hyacinth Storm 0.01%
Pineapple Essence (Natural) 0.01%
Krishna Musk Givco 0.01%
Floranol 959281 0.01%
Caress Musk 0.00%
Mango Natural 0.00%
Arabian Oud (F-TEC) 0.00%
Raspberry Essence (Natural) 0.00%
Honey Supreme 0.00%

Estimates from typical published compositions, not a certificate of analysis for your bottle. A supplier's own figures always win.

PerfuMate totals these across a whole formula while you compose, counting the same molecule arriving from several materials at once, and writes the declaration for the back of the bottle. Start a formula, free. No account needed.