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Harlton's Blister is a counter irritant with penetrating action for use in the blistering of horses legs. Use a small soft bristle brush to paint just enough liquid blister to wet the skin thoroughly and not run. On the second and third days, apply a little more Harlton's Blister; keep animal at rest.
Harlton's Blister contains oil of camphor 8%, tincture of canthardes 1%, croton oil 1%, oil of red thyme 1%, mineral oil, soybean oil, oil of pine, and oil of terpentine. Available in a 120 ml container.