Description Healthy Hen™ Fine Feathers Water Additive 16 oz. Supports Molting. This natural formula is fortified with Oregano oil, Calendula oil and Eucalyptus oil to support molting and enhance feather growth. Other ingredients: Sunflower seed oil provides protein supporting health during molting; Nutmeg oil provides a natural pain reliever; and Rosemary oil promotes feather growth. Apply 3 caps full per gallon of water.