Dermachlor™ 4 with 4% Chlorhexidine gluconate provides enhanced antimicrobial activity in topical treatment products for dogs and cats. Active(s)/Ingredient(s): Chlorhexidine gluconate, 4% w/w. Non-medicinal ingredients: Tromethamine (Tris) USP, edetate disodium dihydrate (EDTA) USP, polysorbate 20, Tris HCL buffer, methylisothiazolinone, fragrance and water.