This is a good free samples of dove cashmere deoderant. supposedly it will not make white marks on your shirts. You’ll have to give it a try yourself (for free).
http://www.startsampling.com/sm/22005/captureAddress.iphtml?item=22005&source=dove.com
Resources:
How To make sure you get new free stuff every day
What to do if you don’t like giving out your email address
