Dermatitis, Allergic Contact

Nutrients connected to Dermatitis, Allergic Contact

A link means the body needs the nutrient for this, or that low intake is linked to it. It does not mean extra supplements help if your intake is already adequate; each link shows how strong the evidence is.

• YarrowDocumented risk

  Yarrow can cause allergic contact dermatitis; in already-sensitive people, over half reacted to a yarrow extract on patch testing.

• Jasmine Oil (Absolute)Documented risk

  Jasmine absolute caused positive patch tests in 1.8% of tested clinic patients.

• Lemongrass OilDocumented risk

  Lemongrass oil is a documented skin sensitizer: 2.6% positive patch tests in one clinic network, and EFSA advises treating it as an irritant and sensitizer.

• Yarrow OilDocumented risk

  Yarrow is a known contact sensitizer; many daisy-family-allergic people also react to it.

• Cassia OilDocumented risk

  NAHA lists cassia as a dermal sensitizer; cinnamal and coumarin are on the EU fragrance-allergen list.

• LavenderDocumented risk

  Lavender on the skin may cause allergic skin reactions.

• ArnicaDocumented risk

  Arnica on the skin can cause allergic contact dermatitis, especially in people allergic to daisy-family plants.

• VanillaDocumented risk

  Vanilla extract and pods caused positive skin patch tests in case reports and in people allergic to balsam of Peru. These were skin tests, not eating.

• Citronella OilDocumented risk

  EFSA says to treat citronella oil as a skin sensitizer. No patch-test rate was found.

• Petitgrain OilDocumented risk

  EFSA says to treat petitgrain bigarade oil as a skin sensitizer. No patch-test rate was found.

• Helichrysum Oil (Immortelle)Documented risk

  Two cases attributed to a helichrysum absolute and a reported reaction to extracts.

• Blue Tansy OilDocumented risk

  Other Tanacetum species and many daisy-family plants are skin sensitizers; blue tansy oil itself was not tested in the sources we read.

• Cajeput OilDocumented risk

  EFSA considers the oil a dermal sensitizer; no published case series of cajeput allergy was found.

• Bay Oil (West Indian Bay and Bay Laurel)Documented risk

  Laurel oil gave more than 2% positive patch tests in a review and is linked to an allergic rash in a case report; no data on West Indian bay oil.

• Inula (Elecampane) OilDocumented risk

  Elecampane and its lactones triggered patch tests in daisy-family-allergic patients; no patch-test study of inula oil itself was found.

• Calendula TeaDocumented risk

  The EU monograph reports skin sensitization with calendula (frequency not known) and bars use in people allergic to daisy-family plants.

• FeverfewDocumented risk

  Skin contact may cause dermatitis, especially in people sensitive to ragweed and related plants.

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