Skin A - a combination of 4 homeopathic remedies for itchy skin in the dog designed to reduce skin irritation or flea sensitivity. Ingredients: Diluted extracts of Dog and Cat flea, house dust mite, combined cultures of Staphylococcus and Marsh rosemary. Homeopathic: Ctenophalum 30x, House dust mite 30x, Staphylococcum 30x and Ledum 30x Packaging: 25ml dropper 15% alcohol Dosage: 1-3 drops in water daily for 3 months. Sometimes just for the season they are affected.  The first 3 ingredients are common allergens in dogs cats and man causing itching. They are in this preparation diluted and potentised so as to attempt to build up a resistance to these. The remedy picture for Ledum shows itching worse for warmth and puncture wounds such as insect bites.