How often can I use witch hazel on my horse’s skin? Will it dry the skin out?

I have used it daily on many horses. No, it is actually very soothing and has a little bit of an oily feel to it, but it does not leave a residue and absorbs into the skin. Witch Hazel has also been used in treating acne, psoriasis and eczema. In addition, Witch Hazel is sometimes found as an ingredient in eye drops and in many hemorrhoid medications.