Benefits of Comfrey in Skincare: The Ancient Healing Herb Your Skin Needs

Allantoin, The Secret Ingredient to Comfrey’s Power

For centuries, comfrey (symphytum officinale) has been a staple in herbalists gardens around the globe. And its reputation is well deserved. Known as “knitbone”, this incredible plant supports the body’s natural ability to repair damaged tissue. Before modern medicine, comfrey poultices were used to speed the healing of fractures and connective tissue. Today, herbalists turn to comfrey for burns, wounds, psoriasis, eczema, irritation, rashes, dry skin, and more. Comfrey is one of the most prominent plants in our garden and in our skin care collection at Tallow Plantiful Apothecary. 

Comfrey works its magic thanks to a naturally occurring compound called allantoin. It gently supports your skin’s ability to repair itself by encouraging fresh, healthy cell growth while softening and soothing along the way. Unlike many brands that rely on synthetic versions, we grow our comfrey ourselves so your skin receives it in its most natural, nourishing form. Allantoin also helps draw moisture into the skin and hold it there, making it especially comforting for dry, cracked hands and heels, wind-chapped cheeks, and skin that feels worn down by the seasons.

For those who want to experience comfrey topical benefits in everyday skincare, we craft several products that honor this plant's traditional uses. Our Comfrey Tallow Balm is a simple deeply restorative salve made with slow infused comfrey and 100% grass-fed and finished tallow for dry, irritated, damaged skin. Our Fusion Tallow Balm builds on this same comfrey infusion with a carefully chosen blend of essential oils that help soften the appearance of fine lines, age spots, wrinkles, and uneven skin tone.

Comfrey Tallow Balm by a blooming comfrey plant in our garden.

From Field to Face: Our Herbal Infusion Process

Comfrey leaves and roots have also been traditionally infused into oils and salves to draw out their healing properties. Herbal traditions across Europe and later North America used comfrey poultices and balms as first aid staples in the home. These preparations were passed down through generations long before pharmaceutical ointments existed. Our method of growing, harvesting, drying, and infusing follows these ancient traditions. 

During the beginning of its bloom cycle, the stalks and leaves of the comfrey plant hold their highest concentration of allantoin. We carefully harvest by hand and dry the comfrey leaves in our workshop. Once fully dried, the crushed leaves are infused in organic oils and left to allow proper time for the oil-soluble compounds, like allantoin, to break down and seep into the carrier oil. This herbal infusion becomes the foundation of many of our formulas, including our Spearmint and Clove Tallow Soap, a refreshing cleansing bar that combines comfrey infusion with grass fed tallow for skin that feels clean yet nourished. 

Our Homestead Operations Manager in the garden, harvesting Comfrey at its peak bloom time.

When Comfrey Meets Tallow: A Synergy for Deep Skin Repair

On their own, both comfrey and tallow have long histories in traditional body care. Together, they become something truly special.

Comfrey brings the wisdom of the plant world. Its natural compounds support cell renewal, calm inflammation, and encourage damaged skin to repair itself. It is the herbalist first aid plant, gentle yet deeply effective.

100% Grass-fed and Finished Tallow brings the nourishment of the animal world. Rendered from grass fed sources, tallow is rich in skin compatible lipids that closely mirror our own natural skin barrier. This allows it to sink in deeply, delivering moisture and protective fats exactly where the skin needs them. Tallow helps prevent water loss, soften rough texture, and create a breathable barrier that supports healing rather than blocking it.

When comfrey is slowly infused into oils and then blended with tallow, the result is a balm that does more than moisturize. It soothes irritation. It comforts stressed skin. It supports recovery from dryness, cracking, and environmental damage. The tallow carries the comfrey benefits into the skin while providing its own restorative nourishment.

Even the delicate skin of the lips can benefit from comfrey gentle repair properties. Our Comfrey and Peppermint Lip Balm offers a smooth protective layer with a cooling herbal touch, perfect for wind chapped or dry lips.

Comfrey has been a trusted healing plant for generations. We honor that legacy by growing, infusing, and crafting it into everyday skincare that feels both ancestral and modern. If you are ready to bring comfrey healing into your routine, explore our Comfrey Collection and find the preparation that fits your skin needs.

Responsible Use of Comfrey in Skincare

Today modern herbalists still honor comfrey for these same skin supporting qualities. While we now understand more about its plant chemistry, the core wisdom remains unchanged. Comfrey helps the skin restore itself. It calms, comforts, and encourages repair. That is why it continues to hold a cherished place in natural skincare. 

Comfrey is a powerful medicinal plant, and with powerful plants comes the importance of thoughtful use. Comfrey naturally contains pyrrolizidine alkaloids (PAs), compounds that have been associated with liver toxicity, particularly when consumed. Much of the concern surrounding comfrey stems from research involving oral ingestion.

Topical exposure is different from ingestion. Research investigating the dermal absorption of comfrey constituents has found that lycopsamine, a pyrrolizidine alkaloid found in comfrey, is poorly absorbed through human skin. Studies evaluating comfrey preparations have reported relatively low dermal penetration compared with theoretical exposure estimates.

Research has also examined how skin microbiota interact with naturally occurring compounds in comfrey. These findings suggest that compounds present in comfrey may be metabolized differently on the skin than they are following ingestion. These findings are the basis for our decision to use comfrey leaf infused oil in products intended for external use. However, the presence of PAs means we do not consider comfrey a casual-use ingredient, and we recommend responsible use. When used externally, comfrey has a long history of application in salves, balms, and poultices. Modern herbal practice recommends applying comfrey preparations to clean skin and avoiding use on deep, open wounds. As with any botanical skincare product, it is wise to patch test first, especially for sensitive skin.

By respecting both traditional knowledge and modern research, comfrey can be used in a way that honors its healing gifts while keeping safety at the forefront. This balance of old wisdom and present-day understanding is at the heart of responsible herbal skincare. 

Our comfrey containing products are for external use only. Avoid applying them to open wounds and large areas of the body for prolonged periods. Keep out of reach of children to avoid ingestion. Pregnant or nursing individuals should consult their healthcare professional before use.

The information provided here is for educational purposes and is not intended to diagnose, treat, cure, or prevent any disease or medical condition. Individual responses to botanical ingredients may vary. Please consult a qualified healthcare professional with questions about whether a comfrey-containing product is appropriate for you.

References

The safety discussion above is informed by published research examining pyrrolizidine alkaloids, comfrey preparations, and dermal absorption, including:

• Jedlinszki N, Balázs B, Csányi E, Csupor D. Penetration of lycopsamine from a comfrey ointment through human epidermis. Regulatory Toxicology and Pharmacology. 2017;83:1–4. DOI: 10.1016/j.yrtph.2016.11.015.

• Kuchta K, Schmidt M. Safety of medicinal comfrey cream preparations (Symphytum officinale s.l.): The pyrrolizidine alkaloid lycopsamine is poorly absorbed through human skin. Regulatory Toxicology and Pharmacology. 2020;118:104784. DOI: 10.1016/j.yrtph.2020.104784.

• Melnyk N, et al. Skin microbiota metabolism of natural products from comfrey root (Symphytum officinale L.). Journal of Ethnopharmacology. 2024;318:116968. DOI: 10.1016/j.jep.2023.116968.

• Oberlies NH, et al. Analysis of herbal teas made from the leaves of comfrey (Symphytum officinale): reduction of N-oxides results in order of magnitude increases in the measurable concentration of pyrrolizidine alkaloids. Public Health Nutrition. 2004;7(7):919–924.

• Skraskova, K.: Is comfrey safe for topical application? A fascinating trip into the dermal metabolism of pyrrolizidine alkaloids., Published on 22nd June 2025, https://herbaethylacini.com.au-blogs-news-is-comfrey-safe-for-topical-application-a-fascinating-trip-into-the-dermal-metabolism-of-pyrrolizidine-alkaloids, Accessed on 22nd June 2025