You're striding into your office when you realize...you forgot to put on antiperspirant this morning. Don't sweat it (seriously, don't, because the trick we're about to share won't work if your skin is wet
). Head directly to the pantry and find two green-tea bags to covertly stick under each arm. The theory is that the tannic acid in the tea may dissolve the outer layer of the skin just enough to create some blockage of the pores, says David Pariser, MD, a dermatologist and a founding board member of the International Hyperhidrosis Society
. It probably won't be as effective as aluminum compounds in your roll-on, but at least you won't need to keep your arms glued to your sides all day.