The following is taken from the Wikipedia entry on Dole Whips:
According to precisionfoods.com[2], the following is the actual ingredient list. The list is kept behind the counter at the snack stand and is available upon request.
Sugar, Dextrose, Pineapple Crystals, Partially hydrogenated soybean oil, Stabilizers (Cellulose, Locust Bean, Guar, Xanthan, Karaya Gum, Pectin), Sodium Silico Aluminate, Vegetable Fiber, Citric Acid, Artificial Flavor, Sodium Caseinate (a milk derivative), Mono & Diglycerides, Sodium Citrate, Salt, Dipotassium Phosphate, Artificial Color Including F.D. & C. Yellow #6.
Speaking personally, I'm extremely lactose intolerant, and I eat Dole Whips without a problem -- not counting the weight gain, of course.