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Hypericum Perforatum Extract

Average

Plant extracts

No known benefits

Hypericum Perforatum Extract description

Hypericum perforatum extract (also known as St. John’s Wort) is a plant that contains several components that can cause a negative reaction on skin when it is exposed to sunlight. However, this is a bigger concern when taken orally. Like most plants, it’s a rich source of antioxidants.

Related ingredients: St. John's Wort Hypericum Extract Hypericum Perforatum Flower/Leaf/Stem Extract

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Hypericum Perforatum Extract references

  • International Journal of Toxicology, 2001, pages 31-39
  • Hautarzt, April 1997, pages 249-52.
  • American Herbal Pharmacopoeia, 1997, pages 1-32

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.