Witch Hazel 14 %, Gallon EQUINE WITCH HAZEL MILD ASTRINGENT & FOR REDUCING SWELLING Hawthorne’s Witch Hazel 14 % for horses is a great multi-use mild astringent. Witch-hazel helps to shrink and contract blood vessels back to normal size. Use it for reducing swelling of muscle strains and sprains or to wipe off dirt and grime after a workout. Our witch hazel is commonly used to assist in the healing of minor skin irritations resulting from insect bites, minor cuts, and minor scrapes. This product can even be used as a natural fly repellent. To be used as directed, amount and frequency to be directed by veterinarian. For topical use only.