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Gaultheria procumbens (wintergreen) leaf oil

Worst

Irritant

No known benefits

Gaultheria procumbens (wintergreen) leaf oil description

A type of mint that is often used for addressing the discomfort of sore muscles, but spearmint oil can be very sensitising due to its high volume of an ingredient known as methyl salicylate.

Related ingredients: Wintergreen Oil

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Gaultheria procumbens (wintergreen) leaf oil references

  • Toxicon, March 2007, pages 407-409
  • PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingredient ratings

Best

Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.

Good

Necessary to improve a formula's texture, stability, or penetration.

Average

Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.

Bad

There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.

Worst

May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.

unknown

We couldn't find this in our ingredient dictionary. We log all missing ingredients and make continuous updates.

Not rated

We have not yet rated this ingredient because we have not had a chance to review the research on it.