Top Performance Hair Dye Gels create bright, fun colors for stylish pets! Great for creative grooming jobs. We have 15 shades to choose from-see below. Completely nontoxic Approved by the Cosmetic, Toiletry, and Fragrance Association (CTFA) Semi-permanent (lasts 4 to 6 washes)Easy-to-work-with gel is less messy than liquids. Safe for dogsover 12 weeks old. For best results, use with our Top Performance Radiance Color Treatment Shampoo (item TP564) and Radiance Spray (item TP755).See the Specifications tab for product details.