Bio Health Comfrey Ointment 42g Bio Health Comfrey Ointmentis a delightful ointment that is suitable for all age groups and most Skin types. 42g. No animal testing. Suitable for all age groups. Free from Lanolin, perfume and artificial colours. How does comfrey work? Comfreyisknown for it’s anti inflammatory action and may help wounds to heal more quickly.