For a dog with itchy body and ears, I was giving them this. They grew fluffy fur and it was great, but their kidneys became bad and we had to change food... Expiration date: 2026/10 Therapeutic food specialized for environmental allergies and skin care, 3kg size. - Brand: Hills - Product Name: Derm Defense - Purpose: Environmental Allergies & Skin Care - Size: 3kg Thank you for looking.