COMFREY LIQUID B is a yellowish brown to brown clear liquid extracted from the leaf of Symphytum officinale L. (Boraginaceae) using 1,3-butylene glycol solution. It has slightly characteristic odor and pH range of 5.0 to 7.0. COMFREY LIQUID B contains allantoin which helps promote wound healing and skin regeneration. Its anti-inflammatory properties soothe irritated skin. The product is suitable for use in formulations aimed at skin repair and rejuvenation.