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Lithospermum Erythrorhizon Root Extract

Best

Antioxidant

Lithospermum Erythrorhizon Root Extract at a glance

  • Herb native to China, Japan, and Korea
  • Improves skin’s barrier
  • Protects against oxidative stress
  • Potentially shields skin from UVB-related photoaging

Lithospermum Erythrorhizon Root Extract description

_Lithospermum erythrorhizon_ root extract comes from an herb native to China, Japan, and Korea that is also called gromwell. The dried root of this plant has been used for centuries in traditional Chinese medicine (TCM) to treat skin ailments, including burns and rashes. In cosmetics, research finds this root extract improves skin’s barrier by reducing trans-epidermal water loss (TEWL) and soothing. It also effectively reduces oxidative stress, a key cause of visible signs of aging. In addition, one study found it was effective at shielding skin from UVB-induced photoaging, making it an intriguing ingredient to follow when it comes to skin care benefits. Use levels of _Lithospermum erythrorhizon_ root extract, which has a purple-red color, range from 0.002% - 0.02%.

Related ingredients: Gromwell

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Lithospermum Erythrorhizon Root Extract references

  • Photodermatology, Photoimmunology & Photomedicine, January 2024, ePublication
  • Experimental Dermatology, September 2018, pages 1,043-1,047
  • Archives of Dermatological Research, June 2008, pages 317-323

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.