Soothing Agents

Symphytum Officinale Root Extract

INCI: SYMPHYTUM OFFICINALE ROOT EXTRACT

Reviewed by Kate · Last updated 14 Aug 2026

A plant extract traditionally used to support skin soothing and reduce inflammation

Best For Skin Types

All, Sensitive

Addresses

Redness, Sensitivity, Inflammation

Usage Frequency

Daily

What Is Symphytum Officinale Root Extract?

Symphytum officinale root extract comes from the comfrey plant, which has been used in folk medicine for centuries. The extract is rich in bioactive compounds including allantoin, rosmarinic acid, and salvianolic acid—all polyphenols with antioxidant properties.

In skincare, this ingredient is primarily valued for its soothing and skin-conditioning properties. It has traditionally been applied topically to support the skin's natural healing processes and to help reduce inflammatory responses.

How It Works

The bioactive compounds in comfrey root extract work through multiple mechanisms. Rosmarinic acid and related polyphenols act as antioxidants, scavenging free radicals that can damage skin cells. Allantoin, another key component, is thought to support cell proliferation and encourage the formation of new skin tissue.

Research suggests the extract may also stimulate skin fibroblast activity—the cells responsible for producing collagen and maintaining skin structure—potentially supporting the skin's natural renewal processes.

Clinical Evidence & References

Laboratory studies demonstrate that comfrey root extract has measurable antioxidant activity and can promote healthy fibroblast metabolism and viability. Animal studies on wound healing show promise, with the extract appearing to support tissue regeneration.

However, human clinical data on topical skincare applications remains limited. Most evidence comes from traditional use and in vitro or animal studies rather than rigorous human trials. Further research would help clarify its efficacy in cosmetic skincare formulations at typical concentrations.

How to Use

Comfrey root extract is most commonly found in serums, creams, and balms designed for sensitive or compromised skin. It tends to work well alongside other soothing ingredients such as centella asiatica or allantoin. There is no established upper limit for safe use, though formulations typically contain it at low concentrations.

Safety & Precautions

Generally well-tolerated in topical skincare products. Comfrey is not recommended for internal consumption due to pyrrolizidine alkaloids, but topical use is considered safe. Patch test if you have very sensitive skin.

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Other forms of Symphytum Officinale Root Extract

These appear on ingredients lists under different names but are the same substance. Symphytum Officinale Root Extract is the common form.

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