Prevents feather plucking: The bitter formula makes feathers unattractive to birds, helping to break the habit of plucking and preventing further damage to feathers and skin. Supports feather health: Contains nutrients that help moisturize and strengthen feathers, reducing itching and dryness that can contribute to plucking. Safe and harmless solution: The product is made from natural, non-toxic ingredients, making it safe for use on birds and safe when ingested in small amounts.