PF Wonder Wash is naturally anti-bacterial and naturally anti-fungal. It is beneficial for irritated rashes, bare spots, ringworm, summer itch, fungal skin issues, bites, and bumps. PF Wonder Wash does not sting or burn irritated, raw areas. Warning: You may like this product so much you will steal it from your horse, and use it yourself. Gentle enough for a baby. Non-irritating. Great for acne and psoriasis. Now available by the gallon.