PurestPets Allergy Relief Medicated Dog Shampoo, 64-Ounce Tackles harmful bacteria and fungus while breaking the cycle of allergic reactions Removes environmental allergens such as pollen, grass spores, and pesticides Calms and sooths raw, sore and inflamed skin caused by fleas, dust mites, eczema and dandruff Deodorizes coat No fragrance, color or preservatives No Triclosan means it will not kill beneficial bacteria It does not contain detergent, DEA, or paraben pHadjusted for dogs so it won't dry out skin and coat Safe enough to wash your dog as often as is necessary to relieve symptoms