Bio-Groom Wiry Coat Dog Shampoo – Tearless, Dog Bathing Supplies, Puppy Wash, Cat & Dog Grooming Supplies, Cruelty-Free, Made in USA, Texturizing Shampoo, Dog Products – 12 fl oz 1-Pack
For the wiry terrier-type breeds, this formulation adds the desired coarseness needed for perfection.