- Horsetail can be used to help support urinary tract healths, kidney and bladder stones, wounds and burns. In herbal health, Horsetail can be used to help support swelling, , fractures, frostbite, lung health, profuse menstrual bleeding, brittle finger nails, water retention, hair loss, rheumatic illnesses, and nasal, pulmonary, and stomach concerns. It effectiveness for these concerns has not, nevertheless, been validated. - Its skill in drawing excess water from the body makes it sensible for e