Clove Oil on Bug Bites: What Dermatology Sources Say Instead

We sell clove bud oil and clove leaf oil, and we are not going to tell you to put either on a bug bite. The two sources we found that tell people what to do about an itchy bite (the American Academy of Dermatology and the UK National Health Service) recommend an ice pack, hydrocortisone cream and an antihistamine, and neither page, as we read it, lists clove. Clove is also one of the essential oils most often reported as a skin allergen, and a scratched bite is the wrong skin to test that on.

Clove Essential Oil bottle

Clove Essential Oil

Our own Clove Essential Oil, in sizes from 0.5 oz to bulk.

From $10.99

Shop Now →

What the two bite-care pages actually say

The American Academy of Dermatology page on bug bites says that for bites that itch you can apply an ice pack or an over-the-counter anti-itch cream such as hydrocortisone, and lists an over-the-counter oral antihistamine as another option. It adds that a rash, fever or body aches after a bite are reasons to see a doctor or board-certified dermatologist, and to mention the bite so it can be checked for a transmitted disease.

The NHS treatment page gives the same core advice: an antihistamine for itching, hydrocortisone cream to reduce itching and swelling, and no scratching because broken skin can get infected. It carries one caveat worth knowing: do not use antihistamine cream if the problem is caterpillar hairs on the skin.

That is the whole list. Clove oil is not among the options on either page, and it does not need to be, because the first-line items are cheap and sold at any pharmacy. We do not sell any of them. For which one suits a child, a pregnant person or someone on other medicines, ask a pharmacist.

Check for the serious reaction before anything else

Itching is the mild end of what a bite or sting can do. The NHS lists these as signs of a serious allergic reaction needing a 999 call: sudden swelling of the lips, mouth, throat or tongue; fast or difficult breathing; a tight throat or trouble swallowing; skin, lips or tongue turning blue, grey or pale; sudden confusion, drowsiness or dizziness; fainting; or a child who is limp, floppy or not responding normally. It separately advises an urgent GP appointment or NHS 111 call for a sting in the mouth, throat or near the eyes, for multiple stings, for a previous serious reaction, and for symptoms that worsen or do not improve. An essential oil is not part of any of those situations.

What the clove-and-itch evidence looks like

On 2026-10-23 we searched Europe PMC (the open index that includes PubMed records) for clove oil, Syzygium aromaticum or Eugenia caryophyllata combined with insect-bite and mosquito-bite terms. It returned 32 records, and the ones we read were about keeping insects away, not about calming a bite that has already happened. We found no trial of clove oil on bite itch. Absence from a search is not proof that no such study exists, so treat this as "we looked and did not find it".

The nearest real study is a laboratory repellent test. Nentwig and colleagues (Bayer CropScience, J Med Entomol, 2017) tested clove oil in acetone against female Aedes aegypti mosquitoes, using a Y-olfactometer, a double-cage system and a double-room system. Clove oil showed a spatial repellent effect at certain concentrations, but needed 1,200 mg in the room test where the skin repellent icaridin needed 150 mg, which is eight times as much. The authors are an agrochemical company's researchers, the preparation was clove oil in acetone, and the test measured mosquitoes, not human skin. We take that up in our piece on clove oil and mosquito repellents.

There is a mechanism-level reason to be wary of the idea that clove oil quiets itch. Yang and colleagues (J Dent Res, 2003) reported that eugenol activated the vanilloid receptor VR1, the capsaicin receptor, in cultured cells and in trigeminal sensory neurons. That is a lab result with eugenol alone. Reasoning from it, the practical consequence is that eugenol acts on the same receptor that produces a hot, burning sensation. A product that works by creating a competing burn is irritating the skin, and no study we found shows that this dampens bite itch.

Why a bite is the wrong place to experiment

Clove's skin-reaction record is documented in clinics. In the German-Austrian-Swiss IVDK network data (Uter et al., Contact Dermatitis, 2010), 15,682 patients seen at dermatology departments between 2000 and 2008 were patch tested with at least one essential oil, and 637 reacted to at least one. Clove oil was positive in 1.5% of those tested, level with sandalwood and behind ylang-ylang at 3.1%. These were clinic patients with suspected contact allergy, so the rate is not a population rate. A 2016 review (de Groot and Schmidt, Dermatitis) put clove among nine essential oils with more than 2% positive patch tests in consecutive patients and noted that most reactions follow the use of undiluted oils or high-concentration products.

An older dataset points the other way, and the disagreement matters. Rothenstein and colleagues (Food Chem Toxicol, 1983) analysed 11,632 patch tests on eugenol, consumer products and fragrance blends containing eugenol or clove leaf oil, collected from fragrance and formulation companies. They found one induced and one pre-existing sensitisation, at eugenol patch-test concentrations of about 0.05% and 0.09%, and concluded the potential was very low at concentrations in consumer products. The two findings are compatible: Rothenstein's data came from industry and from low concentrations in finished products, while the clinic data come from people who already had a rash. The lesson is that concentration drives the result.

That is why our own pages say to dilute to 0.5% to 2% and patch test, and why the Tisserand Institute's eugenol page gives 0.5% as the topical maximum for clove bud oil. Our published GC-MS report for the bud oil lists 73.57% eugenol. Reasoning from those two figures, a bud-oil blend at the 0.5% maximum carries about 0.37% eugenol, roughly four to seven times the 0.05% to 0.09% patch concentrations in the Rothenstein reactions. That comparison is ours, not a published threshold.

The Tisserand Institute also states on its irritation and allergy page that irritation tends to resolve within hours while allergic reactions may persist for days or weeks, and that once the immune system has learned a constituent it generally stays primed for life. It also says patch testing is not 100% reliable. We still recommend one because our own product pages say so, but it lowers risk and does not remove it. Putting any oil on skin that is already inflamed, scratched or swollen from a bite gives an irritant the easiest route in and makes a new reaction hard to tell apart from the bite itself.

Who should skip this entirely

Where our oils do fit in bug season

Clove bud oil smells warm and sweetly spicy and clove leaf oil smells smokier and drier, and our pages suggest diffusing them, which is a scent use and not a bite response. We make no claim that either oil repels insects. If you want to understand dilution before using any clove oil on skin, read how to dilute clove oil and the side effects piece. For a bite, keep to the dermatology pages above.

Clove Essential Oil bottle

Clove Essential Oil

Clove Essential Oil from our own shop, in sizes from 0.5 oz to bulk.

From $10.99

Shop Now →

Sources & Further Reading