Halcyon FE Calming Collar for Cats Vaccine While not specifically a senior

While not specifically a senior formula

Recognized for official use in interstate animal transport

These pads have an 18% larger absorbent area than other pads and feature four "stay-put" tabs to keep them securely in place

Cats: Administer 1 scoop (5 grams) per day

Versatile Use: Suitable for miniature horses in various disciplines

Halcyon FE Calming Collar for Cats Vaccine While not specifically a seniorHalcyon FE Collar Halcyon contains a unique proprietary pheromone (2M2B) that is clinically proven to be safe and effective in addressing a wide range of behavior issues in cats. Features: Promotes Calmness: Helps with separation anxiety, sound anxiety (loud noises), and travel stress. Long Lasting Effect: Provides continuous support for up to 30 days. Customizable Fit: Fits necks up to 13 inches and can be cut to fit smaller necks. Soothing Lavender