Symphytum Officinale Leaf Extract
INCI: SYMPHYTUM OFFICINALE LEAF EXTRACT
Reviewed by Daisy · Last updated 14 Aug 2026
A botanical extract traditionally valued for soothing and conditioning skin
Best For Skin Types
All, Sensitive, Dry
Addresses
Usage Frequency
Daily
What Is Symphytum Officinale Leaf Extract?
Symphytum officinale, commonly known as comfrey, is a perennial plant native to Europe. The leaf extract used in skincare is derived from the plant's foliage and functions as a skin conditioning agent.
In cosmetic formulations, comfrey leaf extract is included for its reputed soothing properties and ability to support skin hydration. It contains compounds including allantoin, which is known to have mild skin-conditioning activity.
How It Works
Comfrey leaf extract works primarily as a humectant and skin conditioning agent. Its constituents, particularly allantoin, are thought to support the skin's natural barrier function and promote a smoother skin appearance by improving hydration and texture.
The extract is also valued in traditional herbalism for its purported anti-inflammatory properties, though the extent to which these are clinically relevant in leave-on skincare products remains an area requiring further investigation.
Clinical Evidence & References
Evidence for comfrey leaf extract in skincare is limited. Most data comes from traditional use rather than robust clinical trials. Allantoin, one of its active constituents, has some research suggesting it supports skin conditioning and barrier function, but studies specific to the whole leaf extract in cosmetic formulations are sparse.
The ingredient is generally considered safe for topical use in well-formulated products. However, readers should be aware that systemic exposure to comfrey (via ingestion) has raised safety concerns in medical contexts, which has led some regulatory bodies to restrict it — though topical application in leave-on products is regarded as low-risk.
How to Use
Comfrey leaf extract is typically used in serums, moisturisers and gentle skincare products at low concentrations. It can be used daily as part of your regular skincare routine. There is no established optimal dosing for topical application, so follow the manufacturer's guidance on frequency based on your skin's response.
Safety & Precautions
Frequently Asked Questions
From the Clinic
Not sure what your skin actually needs?
Two minutes, a few questions, and we’ll point you at what matters — no guesswork.
Take the skin quizPart of a family
Symphytum Officinale Leaf Extract is a variant of Symphytum Officinale Root Extract, the form you will most often see on an ingredients list.
A plant extract traditionally used to support skin soothing and reduce inflammation
Related Ingredients
Symphytum Officinale Root Extract
A plant extract traditionally used to support skin soothing and reduce inflammation
Swertia Japonica Extract
A plant extract with skin-conditioning properties from traditional use in Asian skincare
Swiftlet Nest Extract
A protein-rich extract from swiftlet bird saliva with potential moisturising and soothing properties
Symphytum Officinale Callus Culture Extract
Plant cell culture extract that conditions and supports skin barrier function
Syringa Vulgaris Leaf Cell Culture Extract
A plant cell culture extract that supports skin conditioning and resilience
Tallow
A rendered animal fat with a long history in skincare, though modern evidence remains limited
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.