Symphytum Officinale (Comfrey) Extract is a botanical derived from the comfrey plant, valued in topical formulations for its allantoin content, which provides soothing, hydrating, and skin-conditioning benefits. It is commonly used in moisturizers and after-sun or sensitive-skin products to support skin comfort and barrier function.
| Reported effect | How often | Notes |
|---|---|---|
Allergic contact dermatitis | Rare | Localized redness, itching, or rash in sensitized individuals; patch testing recommended for those with botanical allergies. |
Skin irritation | Uncommon | Mild transient irritation or stinging, particularly on compromised or very sensitive skin. |
Concern over pyrrolizidine alkaloids | Rare | Comfrey contains pyrrolizidine alkaloids associated with hepatotoxicity if absorbed systemically; topical use on broken skin or prolonged application is discouraged in some guidelines. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.