Chew Deterrent Protects furnishings from dogs and dogs from self-harm A special blend of Bitrex and alum deters your pet from gnawing and biting furniture, carpets, rugs or curtains. The non- staining formulation is harmless to furnishings and harmless to pets- but the taste is naturally very unpleasant, and 99% of dogs quickly learn to avoid it. Shaws Chew Deterrent is equally safe on skin and small wounds, so it is an extremely successful way of preventing self-damage from wound-licking, hair-biting or coat-chewing. For use on furniture, carpets, rugs or curtains or for any dog wound-licking, hair-biting or coat-chewing to excess.